LIMIT in SQL is one of the most important clauses there is. When dealing with large databases, developers need to filter their codes so that the exact value can be reached. This is the work of LIMIT, where it helps to give you the desired results in the way you want, in a properly filtered manner.  

What is a LIMIT Clause?  

The LIMIT in SQL is a clause that enables multi-page outcomes or SQL pagination to be easily coded and is very helpful on large tables. A lot of records can influence success when they are returned. If the question conditions are satisfied for numerous tuples, only a few can be seen at a time. 

  • The LIMIT clause sets A LIMIT on the number of tuples returned by SQL 
  • It should be noted that not all SQL versions accept this provision
  • The SQL2008 OFFSET/FETCH FIRST clause can also be defined 
  • There must be a non-negative integer for LIMIT/offset expressions 

In a case where you have to select the top three students in a class without using any condition statements, the LIMIT in SQL operator can be used. 

  • LIMIT x OFFSET y means to save the first y inputs and then to return the next x input 
  • Only ORDER BY clause will use OFFSET. It can't be seen alone

The value of OFFSET must be equal to or greater than zero. It can't be negative, otherwise, mistakes will return. 

Explain with an example: MySQL has a LIMIT clause to determine the number of logs to be returned. 

Suppose you choose to pick from a table named "Orders" any record including 1 - 30, the SQL query will appear as follows: 

$sql = "SELECT * FROM Orders LIMIT 30"; 

They returned the first 30 records when the SQL query mentioned above is executed. 

What if you want to pick 16 - 25 (including) records? 

It can also be done through MySQL: using OFFSET. 

The following SQL query says "return only 10 records, launch record 16” (OFFSET 15)": $sql = "SELECT * FROM Orders LIMIT 10 OFFSET 15"; 

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When Does One Need to Use the Limit Clause? 

Suppose you are designing an app that runs over myflixdb. In order to fight sluggish load times,  the system designer ordered you to restrict the number of records shown on a screen to 20 records.  How should you enforce the framework that fulfills those consumer needs? In such cases, the LIMIT  keyword is useful. Just 20 documents per tab can be used to restrict the data returned from the question.

In no case is the LIMIT in SQL clause valid: 

  • When defining a perspective 
  • In the SELECT declarations 
  • In subquests, rather than subquests that indicate the FROM clause for table expressions.
  • Inside the SPL routine in SELECT singleton (where max = 1) where embedded SELECT statements are used as phrases. 

Advantages Of the LIMIT Clause 

The LIMIT clause states that only maximum rows are included in the result collection (or exactly the maximum rows, in the event that max row count is less than the number of qualifying rows). No other rows are returned that meet the question collection criterion. 

It can also assign the value of the maximum by using a host variable or the value of the SPL input in a local variable. 

If the LIMIT clause follows the ORDER BY clause, the rows returned are classified by ORDER BY.  Since query results are not usually returned in a specific order, ORDER BY may only be useful for queries that return a subset of the qualified rows by restricting the order of rows. 

How to Use Limit Along With Offset?

You use the LIMIT and OFFSET clauses to have a portion of rows returned by a question. You see the syntax of these clauses in the following: 





ORDER BY column_list 

LIMIT row_count OFFSET offset; 

In the following syntax: 

  • The row count specifies the number of rows returned 
  • Until the line returns, the OFFSET clause spares the offset rows. The optional OFFSET clause can be saved if both LIMIT and OFFSET are used. The OFFSET would first miss offset lines until the LIMIT restricts lines. 

The LIMIT clause ensures that the rows are in a species-specified order, using the ORDER BY clause.


Therefore, the LIMIT clause only applies in some database systems such as MySQL, PostgreSQL, SQLite, and Sybase SQL Anywhere and HSQLDB, not all database systems endorse the LIMIT clause. 

What is a Select LIMIT Statement, its Syntax, and Parameter Values?

In the SELECT argument, the LIMIT clause is used to LIMIT the number of rows to be returned. The LIMIT clause accepts one or two claims. Both statements have values that have to be null or positive. 

The two  following arguments illustrate the LIMIT clause syntax: 





LIMIT [offset,] row_count; 

In the following syntax: 

  • It offsets the first row to be returned. This is the offset. The first-row offset is 0, not 1. 
  • The row count sets the total number of rows that are to be returned. 
  • The LIMIT clause is seen in the following photo:


When using a single argument for the LIMIT clause, MySQL can use this argument to specify the maximum number of rows from the first row of the set results. 

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How to Use the LIMIT Keyword 

  • The LIMIT keyword is used to LIMIT the number of rows of a result set returned 
  • Any number from zero (0) and up can be the LIMIT number. No rows are returned from the set result if zero (0) is set as the LIMIT 
  • The OFFSET value lets you decide which line to begin with the data recovery
  • The Choose Update or DELETE order is suitable for a combination with Syntax of LIMIT  
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This was an article to help you understand how beneficial a LIMIT clause is in the SQL language. Developers love the LIMIT clause when they work on big and complex programs. If you want to learn about this programming language in detail, then look for a course in SQL programming from Simplilearn so that you can get learn in the right manner. This will help you in getting recruited for the right job and have a flourishing career ahead.  

Do you have any questions to ask? Leave them in the comment section and our experts will get back to you, at the earliest.  

Happy learning!!

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