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The WHERE clause is used to filter records. It is used to extract only those records that fulfill a specified condition. WHERE Syntax. SELECT column1, column2, ... FROM table_name. WHERE condition; Note: The WHERE clause is not only used in . SELECT statements, it is also used in UPDATE, DELETE, etc.! Demo Database.
The WHERE clause allows you to specify a search condition for the rows returned by a query. The following shows the syntax of the WHERE clause: SELECT . select_list. FROM . table_name. WHERE . search_condition; Code language: SQL (Structured Query Language) (sql)
21 Ιουν 2024 · The MySQL WHERE clause is essential for filtering data based on specified conditions and returning it in the result set. It is commonly used in SELECT , INSERT , UPDATE , and DELETE statements to work on specific data.
This MySQL tutorial explains how to use the MySQL WHERE clause with syntax and examples. The MySQL WHERE clause is used to filter the results from a SELECT, INSERT, UPDATE, or DELETE statement.
The WHERE clause allows you to specify a search condition for SELECT statement. The following is the syntax of the WHERE clause: SELECT columns_list FROM table_name WHERE query_condition; Here: The query_condition is a Boolean expression which return 1 (TRUE), 0 (FALSE) or NULL.
17 Ιουλ 2024 · WHERE Clause in MySQL is a keyword used to specify the exact criteria of data or rows that will be affected by the specified SQL statement. The WHERE clause can be used with SQL statements like INSERT, UPDATE, SELECT, and DELETE to filter records and perform various operations on the data.
A WHERE clause can be used along with DELETE or UPDATE SQL command also to specify a condition. Example. Firstly, let us create a table named CUSTOMERS using the following query −.
