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23 cze 2013 · I know I'm a little late to this, but I think an easier to read solution would be to use the IF () function in MySQL: UPDATE relation. SET name1 = IF(userid1 = 3, 'jack', name1), name2 = IF(userid2 = 3, 'jack', name2) WHERE (userid1 = 3 AND userid2 = 4) OR (userid1 = 4 AND userid2 = 3);
In this tutorial you will learn mysql if and case statement tutorial in Hindi, Urdu.You can learn how to use conditional base statements in SQL like IF and CASE statement clause in...
Hello everyone! Welcome Back to Channel.In this tutorial you will learn mysql if and switch case statement tutorial in Hindi, Urdu.You can learn how to use c...
The MySQL UPDATE Statement. The UPDATE statement is used to modify the existing records in a table. UPDATE Syntax. UPDATE table_name. SET column1 = value1, column2 = value2, ... WHERE condition; Note: Be careful when updating records in a table! Notice the . WHERE clause in the UPDATE statement.
In this article, we would like to show you UPDATE query with IF condition in MySQL. Quick solution: UPDATE `table_name` SET `column_name` = IF(condition , if_true, if_false); Practical example. To show UPDATE query with IF condition, we will use the following users table:
30 lip 2019 · The syntax is as follows to perform UPDATE using IF condition in MySQL − update yourTableName set yourColumnName =if(yourColumnName =yourOldValue,yourNewValue,yourColumnName); To understand the above syntax, let us create a table.
21 sie 2024 · The IF-THEN statement in SQL is used to execute a block of code if a specified condition is true. If the condition evaluates to true, the code within the THEN block is executed. If the condition is false, the block is skipped. Syntax: IF condition THEN. statements; END IF; Parameters Used:
