Mysql while loop insert Since MySQL doesn't have try / catch, I'd seriously recommend you edit your question and remove the irrelevant tag. I tried declaring @hospitalid int and the looping with while loop with @@RowCount. I need to be able to loop through a result set, within the same SQL script, and use the results in more SQL. The statement list within a WHILE statement is repeated as long as the search_condition expression is true. Feb 16, 2024 · This tutorial demonstrates how we can loop through all rows of the MySQL table using WHILE and CURSOR. Is it possible to directly enter a SQL query that will use a loop to programatically insert the rows? Example in pseudo-code of what I'm trying to do: I have to insert some rows for each product with a loop but i receive a syntax error. You shouldn't apply both tags unless you're question relates to both products. SQL-function-statement is only applicable when in the context of an SQL function, SQL method, or Compound SQL (inlined) statement. In SQL, you should generally try to write set-based code, not procedural, step by step code. I am using MySQL 5. I am not sure how you will decide that this clild blongs to which parent. Understanding Nested WHILE Loops A nested WHILE loop is simply a WHILE loop inside another WHILE loop. In this article, we’ll explore how to use a MySQL stored procedure with parameters to insert a May 5, 2018 · I am trying to create a SQL While loop that will update a temp table with values from another table. Jan 22, 2024 · Introduction: MySQL’s flexibility allows us to create dynamic solutions for data insertion tasks. The SQL While loop is used to repeatedly execute a certain piece of SQL script. Let’s explore various techniques to loop through tables in SQL, complete with practical examples and real-world In this tutorial, you will learn how to use MySQL cursor in stored procedures to iterate through a result set. This tutorial provides step-by-step instructions with code examples, so you can easily understand how to use this powerful feature. : Oct 8, 2019 · Here is my SQL Query. However, there are scenarios where row-by-row processing is necessary or even more efficient. This statement repeatedly executes a block of code until explicitly terminated by a LEAVE statement. Usually, this is accomplished with a LEAVE statement. This tutorial covers the syntax and provides examples of how to use a while loop to insert data into a table. Syntax of MySQL WHILE LOOP [label] WHILE condition DO statement END WHILE [end_label] Code language: SQL (Structured Query Language) (sql) Where, label – It is a name related to WHILE loop, also it is optional. Oct 8, 2012 · sql sql-server sql-server-2005 loops while-loop asked Nov 12, 2009 at 21:02 Prabhu 13. I created a table my_table with he primary key as Sep 1, 2022 · MySQL WHILE Loop Summary: in this tutorial, you will learn how to use the MySQL WHILE loop statement to execute one or more statements repeatedly as long as a condition is true. Sep 1, 2019 · Hi All, I have a lengthy SQL that is performing a while loop to iterate through each day of the year and save off several columns of data (1-4 rows per day). … May 26, 2017 · You want to do this in SQL or from an application? How are you planning to get values for other columns of REQ_TASK table? Are they static for all the groupids? Apr 16, 2021 · Here are the pros and cons of Using SQL Server loop through table: While loops are faster than cursors. Insert into db(@names,@email,@password) Values('abc','def','mypassword'); I am using Sql-Server 2012 and ADO. That means, if my temp table having 5 ROWS, i need to update 5 rows one by one and after each Jul 28, 2023 · While loop insert into table with CTE's (Snowflake) Asked 2 years, 3 months ago Modified 2 years, 3 months ago Viewed 1k times If I am fetching data from a MySQL database and using a while loop to iterate through the data how would I add each one to array? Learn how to use the MySQL REPEAT loop statement to execute one or more statements until a condition becomes true. Introduction to MySQL WHILE loop statement The WHILE loop is a loop statement that executes a block of code repeatedly as long as a condition is true. I am trying to write a stored procedure in MySQL which will perform a somewhat simple select query, and then loop over the results in order to decide whether to perform additional queries, data Dec 23, 2013 · And against the every child you can set the parent ID. May 1, 2024 · MySQL, one of the most popular relational database management systems, offers robust support for various programming constructs, including loops. just pressing f5. The goal of this example is to show beginners how to – 1) construct a WHILE loop statement 2) Develop a stored procedure 3) Insert 10,000 random records for the practice dataset. Here’s the syntax for a WHILE LOOP: WHILE condition LOOP -- statements to execute END LOOP; Example 3: WHILE LOOP in Action If you wish to insert records until a certain condition is met, you could use a WHILE LOOP. I have the 7 You should always have a calendar table to help solve this kind of problem (and you should try to avoid thinking about anything in SQL Server as a "loop" - it is optimized to work on sets). Increase the counter by one and the currentDate by one day using the DATE_ADD() function. I can put the select part and the insert into one statement, but I don't know how to get the update in there as well. All of these are used for the same purpose which is iterating the block repetitively but in different situations. We’ll use the Baeldung University schema for code examples throughout the tutorial. 4k 34 135 215 Oct 22, 2024 · Learn about the PL/SQL WHILE loop, including syntax, examples, usage scenarios, and tips for controlling loop flow with EXIT and EXIT WHEN statements. But its takes 15+ mins! . It's insert almost 6500+ row from temp table. Records are passed as a varchar tab to a function ie. It helps me get the monthly periods within a particular range. statement_list consists of one or more SQL statements, each terminated by a semicolon (;) statement delimiter. html but it still didn't work. I want to pick the dates and input the dates into my database along w Nov 11, 2014 · I have the following SQL statement INSERT INTO Table1 UserID CustomerID City State VALUES 0 lsquoMiamirsquo39Florida39I need a loop that will insert the following Apr 9, 2015 · I've tried with a manual prepare before the while loop: prepare e from'insert t select null' and then I replaced the insert statement in the code above with execute e (see the update), but then the timing is 31. I'm not very good while c May 11, 2015 · Loop in trigger after insert Asked 10 years, 6 months ago Modified 7 years, 8 months ago Viewed 14k times Jun 18, 2025 · Problem Sometimes you must perform DML processes (insert, update, delete, or combination) on large SQL Server tables. 23 seconds. Nov 26, 2015 · And need to insert records depending on the qty. Running the loop without the INSERT INTO t Sep 29, 2022 · Im using while loop to move incremental data from old table to new tables after i change the identity column from INT to BigInt. For Example DECLARE @intFlag INT SET @intFlag = 1 WHILE (@intFlag <=5) BEGIN PRINT @intFlag SET @intFl Apr 27, 2022 · I have a query which lists users IDs based on some criteria. net Connectivity! I want to execute this query in database to generate 1000 rows EDIT What if i want to insert unique names? Jul 18, 2012 · SQL INSERT Using WHILE LOOP and SELECT Asked 13 years, 4 months ago Modified 13 years, 4 months ago Viewed 14k times MySQL中的While Loop插入操作 在MySQL中，我们可以使用While Loop结合Insert来实现插入大量数据的操作，这种方法可以让我们避免手动一个一个地插入数据，提高数据插入效率。 在使用While Loop插入数据时，我们需要明确循环的条件和插入数据的方式。 Sep 28, 2025 · A SQL Server cursor loops over a set number of rows one at a time to update data or perform DBA processes such as backups as an example. I know that it can be done using cursor and i have implemented it. Using beginTransaction and commit… Apr 6, 2016 · I have a stored procedure that alters user data in a certain way. It doesn't seem to insert records every iteration but rather insert all batches Jul 26, 2017 · How to use BEGIN TRANSACTION with while loop in SQL Server? This query never finishes perhaps because it stops and look for COMMIT TRANSACTION after inserting one row (when @cnt = 1) but I don't want to COMMIT TRANSACTION because I want to see results before committing. The person helping me with SQL gave me this as an exercise the learn how to use the while loop. (although its stored correct) db data are correct, post data are. when I am running the commands, I am not selecting anything. Jan 18, 2021 · I have two table Customer table code int ,CustomerName vacrchar(max) Supplier table Id int , supplierName vacrchar(max) How can I copy all the record from customer table into supplier table record. Secondly, you're not incrementing @c, so your loop will run forever. It is definitely out of the question to join every row and pass through the data a single time since you do not know the running time or the amount of temp table space needed. . The WHILE loop repeatedly executes the INSERT statement to insert dates into the calendars table until the counter is less than or equal to day. SQL-function-statement Specifies the SQL statements that are to be invoked in the loop. Dec 1, 2021 · I am facing a very strange problem with while loop insert on MySQL Here's the background information of my test: CREATE TABLE test_table ( `token` varchar(16) NOT NULL, `val1` varchar(256) DEFA 6 days ago · WHILE sets a condition for the repeated execution of a SQL statement or statement block. i dont know why. Inside of the loop there is a if statement that has two insert statements. Whether you're updating records or performing calculations, this tutorial will enhance your MySQL skills and improve your database management efficiency. Apr 5, 2021 · Effectively manage PHP MySQL inserts from a large loop using the PDO connection. But the WHILE Loop itself can also be a good way to test different functionality within SQL Server itself. In this tutorial, you will learn how to use MySQL LOOP statement to run a block of code repeatedly based on a condition. One of its most useful features is the ability to use loops, which can significantly enhance database efficiency and automate repetitive tasks. 27. 6. So maybe you were tasked to optimize some processes to avoid large log growths and minimize locks Dec 13, 2021 · Learn different ways to create FOR Loops using T-SQL such as using WHILE loops, cursors, tally tables and more. While loops use less locks than cursors. How can i improve this ? Thanks mysql arrays stored-procedures while-loop edited Aug 2, 2016 at 21:59 Neurotransmitter 6,917 2 54 41 I'm not even sure how to word this question but here goes. I want to run a query on a table and then for each user_id I find run the stored procedur Dec 23, 2018 · I would like to insert a couple of records using PL/SQL loops, but when I execute below block in SQL Developer I am getting the following error: declare loop_size number; begin loop_size Aug 9, 2024 · This guide will walk you through the basics of nested WHILE loops in SQL Server, complete with simple examples and a demonstration of the BREAK statement. Apr 19, 2024 · This tutorial explains how to use while loop in SQL Server stored procedure. Mar 15, 2013 · i'd like to insert some records into a table while looping. Mar 21, 2013 · In stored procedure you should make a loop, which would insert data into table. Less usage of Tempdb: While loops don't create a copy of data in tempdb as a cursor does. I'm basically trying to caputure sql commands and their wait time for CPU, and I simply want to run a while loop for 60 seconds and insert all the data into a temp table. Jul 13, 2017 · I have been searching and searching via google, so apologies if this has already been answered or is very simple. Example: Sep 14, 2009 · Hi, can someone tell me why this WHILE LOOP isn't working? I have searched for an answer to no avail. com/doc/refman/5. Oct 1, 2021 · Firstly, you must use @f and @c for your variables or MySQl will assume you're referring to columns. can i use for loop. So the set based approach would be to first generate all the dates you require and insert them in one go, rather than looping and inserting one at a time. so for each row of AccountID I need to updat Aug 5, 2021 · In this tutorial, we have discussed Loop in SQL Server stored procedure, While loop in a SQL Server stored procedure, and some more topics. 1 I have a stored procedure that is looping through a result set from a select statement. While this code snippet may solve the question, including an explanation really helps to improve the quality of your post. Dispatch details. Apr 28, 2023 · Based on the maximum and minimum parameters provided, the example will insert 10000 records into a table. Within a stored function, RETURN can also be used, which exits the function How to insert data using WHILE loop in SQL Server? How to loop through data table in SQL Server? See SQL-procedure-statement in Compound SQL (compiled) statement. Apr 8, 2017 · MySQL (MariaDB) while loop Asked 8 years, 7 months ago Modified 8 years, 6 months ago Viewed 12k times Nov 29, 2024 · SQL provides a few methods to help us loop through records in database management systems like MySQL, SQL Server, and PostgreSQL. Mar 15, 2005 · Often, we encounter situations where we need to loop through a dataset to process or update records iteratively. If there is a commit after each 10,000 row will it be faster? Example: Insert row Insert data from another table with a loop in mysql Asked 14 years, 2 months ago Modified 7 years, 11 months ago Viewed 16k times Aug 8, 2022 · I have a requirement wherein inside a dynamic sql query i want to execute another dynamic query in a while loop PFB the code for which i am facing issues, also note that parts of the code in the outer dynamic query has been removed as those are… Apr 19, 2015 · But it looks like SQL Server behaves differently with session and transaction. Oracle to SQL Server Migration It is often useful to test the performance of Oracle or SQL Server by inserting a huge number of rows with dummy data to a test table. May 11, 2018 · SQL WHILE Loop is Slow with Insert Into. But still there is incrementa Sep 16, 2017 · SQL WHILE Loops can be a convenient way to add various amounts of mock data to a table for testing. On all the info I could find on dynamic sql it looks like I have to use CONCAT as opposed to putting the variables directly into the sql statement. Calendar(d date PRIMARY KEY); Apr 11, 2012 · I got the following issue while trying to insert multiple entries into a MySQL innodb. Mar 3, 2013 · Of course. I was thinking of a loop which would go through the list and insert a row one b declare @databases table ( DatabaseID int, Name varchar(15), Server varchar(15) ) -- insert a bunch rows into @databases Is declaring and using a cursor my only option if I wanted to iterate through the rows? Is there another way? Thanks, That is much simpler. while loop, mysql Asked 11 years, 11 months ago Modified 11 years, 11 months ago Viewed 3k times Mar 4, 2021 · MySql - Inserting into the table in a while loop Asked 4 years, 5 months ago Modified 4 years, 5 months ago Viewed 128 times I currently use the following statement, for 10,000 rows it takes about 150 seconds. It’s useful for iterative tasks and processing data in batches. Learn how to insert data into a table in SQL using a while loop. Examples of Loops in the Stored Mar 30, 2020 · Control a loop The SQL Server @@ROWCOUNT system variable can be used also to control the loop and stop it when the number of rows matches the specified condition reach a specific value, rescuing it from falling in an infinite loop. Oracle PL/SQL Script You can use the following PL/SQL script to insert 100,000 rows into a test table committing after each 10,000th row: Jan 27, 2020 · I am trying to post data into my database from these while loop. We can use the loop when we need to execute the task with repetition while condition is true. — Drop table if exists DROP TABLE IF EXISTS TestTable; Jul 15, 2025 · MySQL supports various types of loop constructs, including the basic LOOP, WHILE and REPEAT loops along with flow control statements such as IF, CASE, ITERATE and LEAVE. Aug 8, 2017 · I have a scenario to store the records in temp table using while loop like below. Dec 18, 2012 · I am trying to insert the data from other table using INSERT/SELECT combo. Using select is much easier and faster. When one of those insert statements runs for the first time i am kicked out of my while loop and the procedure ends. May 28, 2010 · I am trying to select records from a large table with millions of records and insert the records into another table without filling up tran log 10000 records at a time. After all, SQL is designed for set-based operations, not procedural programming. Apr 26, 2016 · mysql and sql-server are two different database products. May 17, 2012 · Forgive what may be a silly question, but I'm not much of a database guru. I don't know how to write the insert query. Values from the other table: 477286 560565 499330 391827 127375 526354 501736 357359 410433 500 Aug 14, 2024 · Breakdown of MySQL Loops MySQL stands out as a powerful and versatile relational database management system. Aug 12, 2009 · Microsoft SQL Server articles, forums and blogs for database administrators (DBA) and developers. A WHILE statement can be labeled. Start coding smarter today. Which part of the script is wrong? May 27, 2025 · Comparison of SQL loop through table row options with a SQL Server Cursor versus a While Loop. Oct 26, 2010 · In While condition i'm trying to run the UPDATE query till all the records in TEMP table were updated. Now I want to insert every user ID into different table. Mar 12, 2025 · This comprehensive guide covers the while loop in MySQL, explaining its syntax, use cases, and practical examples. Nov 14, 2014 · I'm trying to loop through the two test tables and get a count of each and insert into another table with the table names and counts. These constructs and statements provide flexibility and control over the execution flow within stored programs. And then loop doing : create a dynamic SQL statement with the name of the table you retrieved execute this statement So something like: declare @sql varchar(max Jan 29, 2024 · This guide explores how to use loops in MySQL, specifically utilizing the procedural language that comes with MySQL’s support for stored routines. From your C# application you open a connection to DB, call once a stored procedure and close a connection. This is how I do it with a stored procedure: DELIMITER $$ DROP PROCEDURE IF EXISTS test$$ CREATE PROCEDURE Jul 29, 2013 · MS SQL Server 2008R2 I’m trying to iterate through attaching multiple databases, extracting their data into a master database and then detaching them. Loop and cursor can be utilized in a circumstance to deal with row-based processing in T-SQL. Learn how to use MySQL WHILE loop with syntax and examples. Also concepts behind while loop and stored procedure like how they work. Jul 17, 2022 · @MohammadBastan I can give you a solution with a while loop but please tell me what you'll achieve with it more than using insert with select. Remember that you are answering the question for readers in the future, and those people might not know the reasons for your code suggestion. An example: Mar 30, 2022 · So, let’s get started! Also read: Create MySQL Stored Procedure [With Examples] Introduction to Loops in Stored Procedure There are three types of loops available in MySQL- LOOP, WHILE and REPEAT. That is a feasible solution in most cases, however, when I'm inside an AFTER INSERT trigger in a table where SQL is a set based language and loops should be a last resort. Aug 28, 2012 · I want to insert couple of hundred rows into a table that points to pk in other table. For example begin SELECT (S Reference Scripting reference WHILE WHILE (Snowflake Scripting) A WHILE loop iterates while a specified condition is true. -- this produces all the days from 2000-01-01 through 2099-12-31 CREATE TABLE dbo. mysql. By the way you can use bulk insert query to insert value in parent table like: insert into parents (childnm) select ChildNm from Child group by ChildNm Feb 18, 2014 · It’s a common assumption that when used in SQL, WHILE loops (often used to traverse a cursor) are bad for performance. 6/en/while. I do not use While Loops very often I found something like 'for each record in A', but this seems to be not how you do it in MySQL. If your database has a high concurrency, these types of processes can lead to blocking or filling up the transaction log, even if you run these processes outside of business hours. Jul 15, 2025 · Introduction : MySQL WHILE loop statement is used to execute one or more statements again and again, as long as a condition is true. Insert the current date into the calendars table. How do I do this? so OrderID is NULL to start. So, the SQLish thing to ask for is "how do I insert 300 rows into my table, where each row gets a unique value from the range 1-300?" If you want to avoid a union, you can loop using a cursor. I need to loop through each row and call Stored procedure and pass that row details to the stored procedure as parameters. Another problem that I faced was about the commit inside the while loop, look like it doesn't have access to the begin transaction out of the loop. Perhaps you could do the following: If table1 is small and table2 is small Run SELECT * FROM table1; and load it into an array in memory Run SELECT * FROM table2 Jun 9, 2021 · I am creating a table in mysql that needs to add incrementing date with a 3 hour interval between 2000-01-01 00:00:00 through 2020-01-01 00:00:00. Apr 9, 2014 · I've also tried to use the while loop example provided by https://dev. Apply it in stored procedures and queries. Apr 19, 2012 · Table Info column (ID,Name, LastName,) Valus ('',Alain,Alian); Whata i want to do is insert this value in the same table 10 Times Using a While loop for E. i have restored 1 billion of records . See SQL-function-statement in FOR. This article will delve into the intricacies of MySQL loops, exploring their types, use cases, and best practices. The statements within the loop are repeated until the loop is terminated. This is for all intents and purposes, a Cartesian Join. In such cases, I use WHILE loop like Dec 6, 2023 · Hi everyone, sorry it's been a while! I had a bit of a breakthrough today, finally achieving (or at least emulating the behaviour of) a for loop in MySQL, which many sources online have said isn't really possible and it's better to use a scripting language like Python or PHP to do it. Learn how to use a SQL Server while loop to iterate through a table. Learn how to automate repetitive tasks and streamline your data processing workflows with while loops. Jan 17, 2016 · I am working on SQL Server 2008 to create a stored procedure that: takes a string variable like this: '1,2,3' splits the string using a table-valued function to get each value separately and then i Jul 14, 2016 · how can I insert values into the table PROJECT_ID_CREATION based on the select statement written inside the for loop? I have created a function GET_PROJECT_ID_TEST to auto generate the project id. So, first you define your cursor that will list all the tables you want to query (let's assume you have all your data tables listed somewhere (system tables or config)). Nov 4, 2008 · If you want to keep that current structure, then you would need to insert into a temporary table for every step through the while loop, and outside of that return from the TEMP table. I have a page for a user to input upto 10 different rows of information. Reference SQL Statements Programmatic & Compound Statements LOOP Create a simple loop construct. Apr 22, 2016 · I have a single column named Roll No in a table named Student I want to insert values from 100 to 450 in that column and I want to do it without manually inserting all the values from 100 to 450. The key is to avoid committing data on each loop, this is done using a transaction. In this tutorial, we’ll explore various methods to loop through records in SQL, focusing on different database systems. I have been trying to use while loops for inserting multiple records in the table. I pass it user_id and it does it's thing. Jul 28, 2009 · --Loop until all the values in @array insert into myTable(Col1,Col2,Col3) select @array --only 3digits must be selected ,col2,col3 from myOtherTable Thanks, KB Thanks, Santhosh Sep 12, 2020 · I wrote a stored procedure to select chunks of records from one large table and insert into another table by batches. I am working on a MySQL project where I need to add the same value multiple times Aug 31, 2013 · So how to write one query to insert more than 1000 records in my database table. SQL While loop and cursor are the most common approach to repeat a statement on condition-based or determined limits. only the first insert is stored in the db. You will learn about PL/SQL WHILE loop to execute a sequence of statements as long as a specified condition is TRUE. Sep 12, 2013 · I'm after a little help. Understanding Loop Constructs in MySQL MySQL supports three kinds of loops: the LOOP, REPEAT, and WHILE loops, each serving different use cases. I would suggest to rethink about your approach first. I also want to use a while loop to update a row in my table at the same time. Loops are essential for repetitive tasks and Apr 8, 2017 · MySQL (MariaDB) while loop Asked 8 years, 7 months ago Modified 8 years, 6 months ago Viewed 12k times Jul 29, 2024 · The WHILE loop in SQL Server is a control-flow statement that allows us to repeatedly execute a block of code as long as a specified condition is true. Dec 14, 2016 · I would like to know how to insert data in postgresql using for loop? I want to insert 1 to 1000 in row of id. Below is a sample of my script. Feb 18, 2017 · I need to update a column with an sequential number starting with 1 based on the accountId in the table. Is there any way to speed up the query? I want to insert 500,000 rows. Thing is for each row I want to take a field and transform it, insert it into another table and then update some of the row's fields. eg:- If a qty=2, It needs to execute the insert query twice (Should be inserted 2 same records with auto increment clcodes). Note - Use a WHILE LOOP statement in case you are unsure of what number of times you would like the loop body to execute. Jul 21, 2016 · I need to insert values into a table from another table. For more information on loops, see Working with loops. Dec 26, 2012 · while loop to insert data into table in sql Asked 12 years, 11 months ago Modified 12 years, 11 months ago Viewed 24k times May 28, 2025 · In this article, we will look at examples of a SQL Server WHILE loop in T-SQL and discuss alternatives like a CTE and cursor. Sep 10, 2015 · How can I write a loop that runs n times in MySql without using a stored procedure. The inner loop completes all its iterations for each iteration of the outer loop. 2. 2, “Statement Labels”. When iterating over a sequence of numeric values, the FOR loop provides useful syntax sugar over the previous types of loops, including the WHILE loop, despite being functional equivalent. The copy should be done by each record. For the rules regarding label use, see Section 13. Below you can see my query. G Or something like that any idea?. While most of the time this seems to be true, the problem isn’t the WHILE Oct 3, 2024 · SQL Loop Through Table Fully Explained Looping through tables in SQL might seem counterintuitive at first. However, I can't figure out why it is not working. I would… Apr 21, 2018 · Improve performance of while loop for INSERT INTO query? Ask Question Asked 7 years, 7 months ago Modified 7 years, 4 months ago Aug 14, 2018 · PHP Collective php mysql while-loop insert naming-conventions Follow this question to receive notifications edited Aug 14, 2018 at 12:23 Funk Forty Niner LOOP implements a simple loop construct, enabling repeated execution of the statement list, which consists of one or more statements, each terminated by a semicolon (;) statement delimiter. I have created a page with my form using a loop. insert into. Thanks in advance, Jw drop procedure if exists deciles; DELIMITER // CREATE PROCEDURE deciles () BEGIN DECLARE v1 INT DEFAULT 52; WHILE v1 > 0 DO INSERT into tmpAnalysis (score,skuID,market) SELECT percentage, p, m FROM `SPPD customer count by MC` where m = v1 order by Feb 26, 2011 · In MySQL, I have this stored procedure with a LOOP: DELIMITER $$ CREATE PROCEDURE ABC() BEGIN DECLARE a INT Default 0 ; simple_loop: LOOP SET a=a+1; select a; Jan 28, 2024 · Using WHILE LOOP A WHILE LOOP continues until the specified condition is false. Jun 23, 2017 · [ALSO READ] WHILE loop in Sql Server To understand the looping of the table records in the above listed scenarios, let us first create a temporary table #Student as shown in the below image with sample data using the following script. I tried removing the index on the target table, but this didn't help. 0. This article covers some of the basic functionalities of the SQL While loop in Microsoft SQL Server, with the help of examples. Mar 30, 2022 · Basically, we can use the WHILE loop when we need to execute a code repeatedly till the condition is true. This is my query: May 12, 2022 · Hi, I import data from csv file into a temp table. I also need to insert increment with specific calculation.