Mysql Loop Through Select Results

With this method, you create a "snapshot" of the initial SELECT statement and use it as a basis for "cursoring. Most of the time, this container is used for looping through a group of files, however, there are many different uses for it. Both MySQL and PostgreSQL support a really cool feature called OFFSET that is usually used with a LIMIT clause. or, You want to use the result of one query in another query. One of the handiest features in SQL Server Integration Services (SSIS) is the ability to implement looping logic within your control flow. I am faced with a situaton where i need to write a MySQL equivalent of PHP code to loop through sql select results. When a SELECT statement is executed in a loop like that, can I combine results from all iterations and output as a single result set available by the time the loop completes? For the application, is it only the result set from the last iteration in the loop made available which in this case has no rows?. There are lots of ways to select a random record or row from a database table. js Tutorial, we shall learn to access data of a table using following Node. MySQL Concatenation Write a mysql statement to find the concatenated first_name, last_name where age of the employee is greater than 30. Usually, this is accomplished with a LEAVE statement. To loop through an array usually we need length of the array. This example only echo dates, but of course this model can be used more complicated situations. Yes, we've accomplished what we want! Before I knew about Multiple Recordsets, I thought this approach was the elegant solution. We then loop through the result set so that we can populate our dropdown SELECT element:. Using Subqueries in the Select Statement. For all other queries like INSERT, UPDATE and DELETE, it returns TRUE on success. Started thinking your qualification with the third parameter might be the ticket, but didn't make a difference. If the DataReader returns multiple result sets, call the NextResult method to iterate through the result sets sequentially. Any ideas how I can achieve this? Thanks!. If the returning ResultSet Object of a query statement contains multiple rows, you can use res. In this article, we are going to discuss how to filter selected database rows based on the conditions applied using PHP. Recordset Dim strConn As String strConn = "Provider = Microsoft. you could do something like: [code]import MySQLdb import json dbconn=MySQLdb. I want this to give me a single result set. For example, the CoffeeTables. In this tutorial we are going to explore jQuery AJAX example with php MySQL and how we can send an AJAX get request using jQuery to fetch data from MySQL database server. Unlike db-mysql, you don't need to install specialized MySQL client software to work with node-mysql. For a walkthrough of how to use this object, see Object Relational Tutorial. Many of the examples I find online have the results of the query stored in an array and then the array iterated through with a loop to display the contents of the array. In this article, we’re going to show you how to use PHP to Connect to and Retrieve Data from MySQL. MySQL does not have any system function like SQL Server's row_number to generate the row number for each row. com or flickr. MySQL CONCAT() function is used to add two or more strings. You can also import this file to kill multiple MySQL queries at once:. The Result Object contains result set or properties that provide information regarding the execution of a query in MySQL Server. As of PHP 5. ” Of course subqueries can return text as well, but you get the point!. Using PHP and MySQL is a very common use case, but if you’re using a different database, we have other demos available and in development. Hi, I have been stuck on best way to achieve the following (Im still learning php and Sql so for give me if this is obvious) I have a table (See Screen Shot) which has the following headings placeID, place, job1, job2, job3, job4, job5 etc Im trying to run query which will return as the the resul. The SELECT has changed so the result is stored in total (the local variable) instead of ototal. Learn to loop through the rows of a table without using SQL Server cursor. SQL developers frequently require to select from sql stored procedure execute results. The column id is a value t. // Start a transaction NpgsqlTransaction t = conn. We have defined the table named "users" in the MySQL select query. Easily export mysql to json string with php json_encode() function. MySQL | Toad expert blog for developers, admins and data analysts. The general idea is this: Given a series of concurrent. Streaming MySQL Results Using Java 8 Streams and Spring Data JPA 19 October 2015 | Krešimir Nesek Since version 1. As a site may contain multiple discounts, I had anticipated using a cursor to iterate through each of the site's rows and then evaluate the row to determine if the discount is applicable. You will have noticed that we can iterate over the result set directly with foreach. Selecting rows using submitted form data basics of extracting data from mysql using php. There is not a whole lot new here. Querying a MySQL Database with PHP The reason for using PHP as an interface to MySQL is to format the results of SQL. The stored_results() returns an iterator which can be used to iterate over the rows in the result set. Use for loop to loop through result from a select statement. The GROUP BY Clause is used together with the SQL SELECT statement. In the previous blog post, we gave a brief introduction to ClusterControl Developer Studio and the ClusterControl Domain Specific Language that you can use to write your own scripts, advisors and alerts. to Display Data in MySQL database using PHP How to display our data which are stored in MySQL database onto a page? I’ll show my script first, then explain the components that we will need:. Let's take a look at it. mysqli_fetch_row(). Hey, I need to retrieve all values (which are TEXT's) from a column so that I could list them in-game. Along with 16+ years of hands on experience he holds a Masters of Science degree and a number of database certifications. Initially the cursor is positioned before the first row. You may wish to make you display stand out from the rest. Retrieving multiple result sets using NextResult. When I try to run it the following comes up: Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result. Hey everyone, I'm pretty good with MS SQL server queries, but relatively new to MySQL and I'm stumped on an issue I'm having. I thought it's worth a new Bugreport. Started thinking your qualification with the third parameter might be the ticket, but didn't make a difference. How to perform a while loop on the query result. We fetch the results using fetchAll. Chapter 14 Using databases and Structured Query Language (SQL) 14. There are lots of ways to select a random record or row from a database table. Both conditions are tested with row == None or employee_name != prev_employee_name; after writing out the employee statistics, a separate check for the second condition row == None is used to terminate the loop. This MySQL tutorial explains how to use the WHILE statement (WHILE LOOP) in MySQL with syntax and examples. Unlike db-mysql, you don’t need to install specialized MySQL client software to work with node-mysql. Learn how to convert the mysql query result set to json format or file with PHP Programming Language. Cursors In MySQL, a cursor allows row-by-row processing of the result sets. This function returns the field value on success, or FALSE on failure. 1 What is a database? A database is a file that is organized for storing data. Aquila, There are a few things required for you to achieve your results. The value of both the parameters can be zero or positive integers. Tutorial: How to Connect to MySQL With Python. The columns of the MySQL Result can be accessed by using the column names of the table. If anyone could provide any sort of help that would be awesome. The for loop execute the code till the condition remains true. Note that there are paths through the syntax diagrams that are not allowed in practice. Opening and closing a connection in the loop did not help either. Its syntax is as follows − WHILE expression DO statements END WHILE Actually, the WHILE loop checks the. 22, I just retested it. How to update data mySql from PHP without reload page using jQuery Ajax sogata ( 59 ) in utopian-io • last year (edited) You will learn how to get data from PHP form using jQuery selector. For each row in the table (each location), create a new element. The Mysql2 gem is meant to serve the extremely common use-case of connecting, querying and iterating on results. com or flickr. while ($row = mysql_fetch_assoc($result)){ $sum. I shall begin by describing the syntax of a MySQL script, as scripts will be used for all the examples in this tutorial. The while-loop continues iterating through its loop body as long as the Read() method does not return false. " Of course subqueries can return text as well, but you get the point!. 0 rows affected (0. Unfortunately there is no PHP/MySQL vids here on treehouse yet but I was hoping someone with some experience could help me out. I have read through some of the looping mechanisms in MySQL, but so far all I can imagine is that I would be implementing something like this: SET @S = 1; LOOP SELECT * FROM somewhere WHERE some_conditions LIMIT @S, 1 -- IF NO RESULTS THEN LEAVE -- DO SOMETHING SET @S = @S + 1; END LOOP. As a MySQL or PHP developer, once you step beyond the comfortable confines of English-only character sets, you quickly find yourself entangled in the wonderfully wacky world of UTF-8 encoding. The following example shows the SqlDataReader processing the results of two SELECT statements using the ExecuteReader meth. PostgreSQL provides you with three loop statements: LOOP, WHILE loop, and FOR loop. If required, we should call such functions with a loop for getting subsequent MySQL fetch results row by row. A cursor holds the rows (one or more) returned by a SQL statement. mysqlのselect結果をshell変数に設定したりするサンプル. For the sake of this tutorial, I am assuming you know how to set up and use MySQL. Loop through the ResultSet after executing select statement. Description: We get incorrect results (empty result set where it should not be empty) for MySQL 5. Hello, I wanted to store the result of a mysql query into a string variable in C#. I'm writing a cursor to iterate through a result set and perform various takes on each step. The query can be defined through the parameter -query. We create our SQL statement, which is "SHOW TABLES". Here in this blog post we will be going see how to use select query of MySQL to retrieve or fetch data from database using PHP and display it in front end. Autocomplete Textbox using HTML5 Datalist, PHP and MySQL Example. In today's article, we'll be learning about various loop types supported by MySQL as well as gain an. In order to display comments on a page, we first. We then select from the first query, and use UNION ALL to combine the result with the result of the second query, which we’re executing only if the first query didn’t yield any results (through NOT EXISTS). Select Name cleared everytime the loop is. A ResultSet object is a table of data representing a database result set, which is usually generated by executing a statement that queries the database. A Quick UTF-8 Primer Unicode is a widely-used computing industry standard that defines a comprehensive. Autocomplete Textbox using HTML5 Datalist, PHP and MySQL Example. MySQL: Using IF in a WHERE clause Posted in MySql - Last updated Feb. Using extended options of the INTO OUTFILE nomenclature, it is possible to create a comma separated value (CSV) which can be imported into a spreadsheet application such as OpenOffice or. Create PHP To Insert, Select, Update, Delete In MySQL Database Table. With PHP mostly we use MySQL. By using the same mechanics, a SQL procedure can also define a result set and return it directly to the caller of the SQL procedure or to a client application. Since Cloudways provides the custom mysql manager in the platform which contains a database for app. Using subquery in FROM. I was recently completing a project which required that I build a series of HTML tables which would represent all of the tables within a MySQL database. The basic SELECT statement has 3 clauses: SELECT FROM WHERE The SELECT clause specifies the table columns that are retrieved. I have two tables one called files_downloads, and the other called quiz_attempts, both share column = uname I am trying to get two main results, (with two scripts) 1) Users who downloaded files and did the quizzes 2) Users who didn't download (Show NA) files and DID quizzes. In the following example, we retrieve a list of users from MySQL using PHP and the PDO object. Many times I was irritated of the lack of some Excel functionality (or just I don’t know there is) to easily transform data w/o using pivot tables. If there were 4 rows returned, I thought I could capture the four rows in an. DictCursor) as cursor:. why and how to use a parameterized query in python. connect( database=dbname, user=dbuser, password=dbpass, host=dbhost) query = "select * from table;" with dbconn. I have been cracking my head on this mater in the past couple of days. June 21, 2015 Scripts, Sql Server how to loop select query result in sql, Iterating through result set, Iterating through table records, Loop, loop select query result in sql, Loop through one row at a time, Looping construct in Sql, Looping table having duplicates, Looping table having gaps, Looping table records in Sql, Looping table rows in. If I have table called client_names (id SERIAL, first name TEXT, middlename TEXT, lastname TEXT, suffix TEXT, pet_id INT, properly_trained TEXT) and I have a trigger on it, I'd like to iterate through individual query rows back at another table having a foreign key on pet_id. By registering you'll gain: - Full Posting Privileges. In this case you can think of the subquery as single value expression. PHP ODBC - How To Loop through Returning Rows? The best way to query tables and loop through returning rows is to run a SELECT statement with the odbc_exec() function, catch the returning object as a result set, and loop through the result with odbc_fetch_array() function in a while loop as shown in the following sample PHP script:. Execute("select * from employees") Do Until. To loop through an array usually we need length of the array. When I try to run it the following comes up: Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result. > > What about adding a year to your "deactivation" date? What if it's a > leap year?. Sub CreateRst_WithSQL() Dim conn As ADODB. However, it can be generated using the variable in the SELECT statement. Now, that we have our array of objects from our database we can use it to populate an HTML select box dynamically with PHP. NET data provider. Distinct, grouping rows of Excel data, running multiple selects etc. has to loop through the results row functions can also be tested using select inline function calls. Now, we can take that array and create a HTML select box with it. Here’s how that might look. This is typically done if the pool is used in a script or when trying to gracefully shutdown a server. Hi! My program below is called using "echo get_all_books_info(); " in the index page. MySQL provides an easy mechanism for writing the results of a select statement into a text file on the server. One of the handiest features in SQL Server Integration Services (SSIS) is the ability to implement looping logic within your control flow. In this article I’ll look more closely at the performance characteristics of a few queries I’ve optimized in. The statements within the loop are repeated until the loop is terminated. Insert trigger function from select query, plus. Working with Parallel Query for Amazon Aurora MySQL. Steps: Read data from MySQL table in Python. Bash Arrays & MySQL. You can save a query result to a. Both conditions are tested with row == None or employee_name != prev_employee_name; after writing out the employee statistics, a separate check for the second condition row == None is used to terminate the loop. Tip: This makes it possible to query the SqlDataReader for integers, strings and other types with the GetInt32 and GetString methods. I want to run a MySQL query from a shell script and iterate over each row of results. Be careful when using fetch_assoc instead of fetch_row. A subquery is a SELECT statement written within parentheses and nested inside another statement. All these 3 expressions work with MS SQL Server, Oracle and mySQL. net Posted 10 May 2013 - 10:39 AM Well, very quickly Label1 and lable2 is going to update until the reader runs out of results which will basically appear to you that the labels are being set to the values of the last row in the reader. A variable can also be defined as the result of a SELECT statement. In MySQL, the LOOP statement is used when you are not sure how many times you want the loop body to execute and you want the loop body to execute at least once. But there is a problem when i randomly select a row from table to update data. The procedure include a begin-end that consists of declare variable 'a' and set a default value of '0'. Connect to the MySQL server using the mysql. Step 1: Drag and drop Database Command Connect to SQL , Enter the Session Name and below that click on those 3 dots of connection string , you will find a set of OLE DB Providers as we are using SQL server here Choose Microsoft OLE DB Driver for ODBC Driver and click on next, then enter the Server name ( manually don't select from drop down as it might vary lot of times) then enter the. It displays the first row in the database but not the rest. Note: We are using MySQL Connector Python to select data from MySQL table. I was just obliged to at least write a. Definition and Usage. PHP MySQL ORDER BY Clause. Welcome to Boards. We're hoping here that the database will be smart enough to run the existence check on a pre-calculated set from the first subquery. In this example we are selecting all records and showing them all. does not come to replace your common SELECT, UPDATE, DELETE), but more for working out administrative tasks. Some examples: A VALUES clause can be the first element in a compound SELECT that uses a WITH clause, but a simple SELECT that consists of just a VALUES clause cannot be preceded by a WITH clause. To select data from a table we have the following steps. 0 on my Ubuntu 14. Include config file using include() function. In this article we'll explore ways to select items added/modified in the last n number of days using MySQL (or MariaDB). Ordering the Result Set. I want to display this in a table in PHP that is 3 wide, like this:. I set IFS to split Looping over mysql query results in bash DATA=`mysql -u root -ppassword --silent 'SELECT name FROM. I have read through some of the looping mechanisms in MySQL, but so far all I can imagine is that I would be implementing something like this: SET @S = 1; LOOP SELECT * FROM somewhere WHERE some_conditions LIMIT @S, 1 -- IF NO RESULTS THEN LEAVE -- DO SOMETHING SET @S = @S + 1; END LOOP. Note: We are using MySQL Connector Python to select data from MySQL table. In PHP, MySQL fetches results can be obtained by the following functions. Recordset Dim strConn As String strConn = "Provider = Microsoft. I want to run a MySQL query from a shell script and iterate over each row of results. Select Name cleared everytime the loop is. I'm writing a cursor to iterate through a result set and perform various takes on each step. I want to loop over each value in bash. As a site may contain multiple discounts, I had anticipated using a cursor to iterate through each of the site's rows and then evaluate the row to determine if the discount is applicable. In this chapter, you will learn how to integrate the two by using PHP's built-in functions to access MySQL. PHP ODBC - How To Loop through Returning Rows? The best way to query tables and loop through returning rows is to run a SELECT statement with the odbc_exec() function, catch the returning object as a result set, and loop through the result with odbc_fetch_array() function in a while loop as shown in the following sample PHP script:. Opening and closing a connection in the loop did not help either. MySQL SELECT INTO multiple variables example. In this tutorial we are going to explore php mysqli library functions. When you need to retrieve a single row from a table or query, you can use the following syntax in SQL Server: DECLARE @name VARCHAR(30); SELECT @name = city FROM cities; But what happens if SELECT returns multiple rows?. Steps: Read data from MySQL table in Python. Finally close the connection using mysql_close command as shown above. The Result Object contains result set or properties that provide information regarding the execution of a query in MySQL Server. It also prints a row count using num_rows and releases the result set with free:. The column id is a value t. Use for loop to. In this tutorial you will learn how to sort and display the data from a MySQL table in ascending or descending order using PHP. Execute("select * from employees") Do Until. viewTable method creates a ResultSet, rs, when it executes the query through the Statement object, stmt. I'm using bash shell on CentOS 7. The contents of Result Object depends on the SQL query made to MySQL Server. As there is no concept of array in stored procedure we need to handle the execution in a different way using CURSOR. Select an installation location. In this chapter, you will learn how to integrate the two by using PHP's built-in functions to access MySQL. Path & _ "\mydb. MySQL SELECT INTO multiple variables example. android-push-notifications-using loop in result set to. I have a column in a table that I would like to add up and return the sum. It seems that there is something wrong with my for loop:. There are times when you need to loop through all the databases or database objects to perform some tasks. I'm writing a cursor to iterate through a result set and perform various takes on each step. In this example we are selecting all records and showing them all. Use buffered cursor only when: You already know that the result set is small. See Practice #5. DictCursor) as cursor:. Streaming MySQL Results Using Java 8 Streams and Spring Data JPA 19 October 2015 | Krešimir Nesek Since version 1. I stress that this is not a replacement for common queries (i. Learn to loop through the rows of a table without using SQL Server cursor. Steps to follow - Database Testing using Selenium WebDriver: Click here to download the jar files. The statements within the loop are repeated until the loop is terminated. / Datareader - Loop through results in VB Datareader - Loop through results in VB [Answered] RSS 5 replies. MySQL SELECT Query is used to select some of the records (with some of their properties if required) of a table. Example to MySQL SELECT FROM query; Example to select only some of the columns; Example to use Result Object of MySQL SELECT FROM. 0 and i want a plugin to alert me based on daily scheduled MySql queries. Both MySQL and PostgreSQL support a really cool feature called OFFSET that is usually used with a LIMIT clause. In most cases SET. The following example shows the SqlDataReader processing the results of two SELECT statements using the ExecuteReader meth. * (The only proper) PDO tutorial - Treating PHP Delusions. SELECT / LIST Records From Database Table: PHP & MySQL Advertisement: Video tutorial demonstrates selecting / listing / fetching of data / records from the database table and displaying it on the browser. Concatenating column values means that you get values from multiple columns in one MySQL statement and can combine these values to do anything. How to perform a while loop on the query result. Be careful when using fetch_assoc instead of fetch_row. for example, insert a line break and you will see them on separate lines. Cursors are a little bit fiddly and take a bit of care and patience. In this guide, I will be using PHP to retrieve the data and populate a SELECT element. Then an IF statement checks to see if taxable is true, and if it is, another SELECT statement is used to add the tax to local variable total. T-SQL – How to Select Top N Rows for Each Group Using ROW_NUMBER() Posted on July 11, 2015 Written by Andy Hayes 14 Comments I’ve recently been working on a data migration project and have found myself utilizing the ROW_NUMBER() function in SQL Server a lot. Very often you will need to use a MySQL table to store data inside it and then output that data by using a PHP script. Neglecting to include a loop-termination statement results in an infinite loop. Initially the cursor is positioned before the first row. Let first setup a target table we want to iterate rows. Connect to the MySQL server using the mysql. In this tutorial you'll learn how to select records from a MySQL table using PHP. In this article I’ll look more closely at the performance characteristics of a few queries I’ve optimized in. There are 2 ways of assigning a value to a local variable previously created with the DECLARE @LocalVariable statement, namely using the SET and the SELECT statements. fetchrow_array() is best for calls you where you want to process the results immediately. The first allows you to. Is there a way I can make my code more 'compact'. The Custom option allows you to select elements of MySQL to install, such as documentation and help files. Let's take a look at it. Now, we can take that array and create a HTML select box with it. I didn't have anything created but after a few minutes I had exactly what I needed. fetchrow_arrayref() stores the entire result of a query, which may have multiple rows, into an array, which you can unroll later. for example, insert a line break and you will see them on separate lines. js installed on. MySQL workbench will automatically create a SQL query and paste in the editor. Select a random row with MySQL: SELECT column FROM table ORDER BY RAND() LIMIT 1 Select a random row with PostgreSQL:. Methods to fetch data. I've written a short example program that shows how to perform a SELECT query against a MySQL database in Java. ITERATE causes the execution of the loop to restart at the top of the loop. Ordering the Result Set. There are lots of ways to select a random record or row from a database table. The for loop execute the code till the condition remains true. I tried using the following code but it is not working. We can iterate the result to get the individual rows. This means we can display each result as it iterates past that result. I was hoping some of you have done this more efficiently. When you write a Microsoft Visual Basic for Applications (VBA) macro, you may have to loop through a list of data on a worksheet. It returns FALSE on failure. If anyone could provide any sort of help that would be awesome. If the line consists of the number corresponding to one of the displayed words (from the list), then varName is set to that word. I tried to find out more about it, so i wrote a Script that reads in Data from my DB and calculates Memory usage in a loop. Using a ResultSet to iterate over rows returned from a SELECT query, using its next() method to advance to next row in the result set, and using getXXX() methods to retrieve values of columns. If you run this query directly in MySQL either using PHPMyAdmin or other MySQL admin tools, then you'll get the user's ' xxxxxxxx ' rank in the quiz. This function is used to send a query or command to a MySQL connection. The INTERSECT operator removes duplicate rows from the final result set. The while-loop continues iterating through its loop body as long as the Read() method does not return false. The is_applicable column contains a COUNT() SQL statement; if the COUNT is greater than 0, then the discount would apply. …A really nice feature of PDO, is that you can loop…directly over a select query, without needing to store the result first. MySQL provides an easy mechanism for writing the results of a select statement into a text file on the server. If you are using a REPEAT loop (see the next section), this means that the loop will re-execute unconditionally, bypassing the UNTIL condition that would otherwise terminate the loop. As the script uses PDO, the result set can be iterated over directly with a simple foreach and the option for the select echo'ed to the browser. This section describes how to loop through ResultSet objects with the res. MySQL Replication Using the MySQL Yum Repository MySQL Restrictions and Limitations Security in MySQL MySQL and Solaris Building MySQL from Source Starting and Stopping MySQL MySQL Tutorial MySQL and Windows MySQL NDB Cluster 7. Using subquery in FROM. Learn how to implement google like autosuggest textbox from database feature using plain html and php script. MySQL does not have any system function like SQL Server's row_number to generate the row number for each row. The first SQL command you will learn, and the one you will use most frequently, is SELECT. I was recently completing a project which required that I build a series of HTML tables which would represent all of the tables within a MySQL database. Sometimes it is needed to run some MySQL queries from the Linux command-line interface without accessing the interactive MySQL prompt. The statements within the loop are repeated until the loop is terminated. HELP: BASH looping through MySQL Select Results The code essentially works, however the MySQL resultset seems to be in a format much like an XML document; and I'm not sure how to go about parsing through it to get the values I want. But it still doesnt work. I thought it's worth a new Bugreport. By using the Foreach Loop container, you can create a looping structure that iterates through a collection of objects or data values (the members) and take actions specific to each of those members. Chapter 14 Using databases and Structured Query Language (SQL) 14. PHP ODBC - How To Loop through Returning Rows? The best way to query tables and loop through returning rows is to run a SELECT statement with the odbc_exec() function, catch the returning object as a result set, and loop through the result with odbc_fetch_array() function in a while loop as shown in the following sample PHP script:. Frequent use is to create a backup of a table. You need to switch to the mysqli API. Hey, I need to retrieve all values (which are TEXT's) from a column so that I could list them in-game. Then, join our Getting Started group, introduce yourself, and start exploring! Want to offer feedback, or share your ideas? We'd love to hear from you!. When you iterate over rows and scan them into destination variables, Go performs data type conversions work for you, behind the scenes. I'm using bash shell on CentOS 7. PHP ODBC - How To Loop through Returning Rows? The best way to query tables and loop through returning rows is to run a SELECT statement with the odbc_exec() function, catch the returning object as a result set, and loop through the result with odbc_fetch_array() function in a while loop as shown in the following sample PHP script:. Query is the source of all SELECT statements generated by the ORM, both those formulated by end-user query operations as. Practice #1: Using UNION All. Querying a MySQL Database with PHP The reason for using PHP as an interface to MySQL is to format the results of SQL. Results of the select and plot data program. syntax of while loop: while expression do statements end while. In general, the syntax of the REPEAT statement makes it better suited for looping through cursors. 0 rows affected (0. Here is a break down of the things needed to create and run the array IN PARAMETER MYSQL STORED PROCEDURE. A way of doing this, as Eric reports, is to use PHP to alternate the colors for every line of output. If anyone could provide any sort of help that would be awesome. Using subquery in FROM. Let first setup a target table we want to iterate rows. Use for loop to loop through result from a select statement. There's got to be a better way to update records in a loop. Summary: in this tutorial, we will introduce you to various kinds of PL/pgSQL loop statements that execute a block of statements repeatedly. In this tutorial you'll learn how to select records from a MySQL table using PHP.