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What is the use of IFNULL Operator in MySQL?
In MySQL, the IFNULL operator is used as conditional statement for NULL values. When we need to fetch NULL values with LIKE operator then we can use this operator.
Example:
We have a table "employee" as below:
...
How to make WHERE col LIKE '%' select NULL values too?
When we apply LIKE keyword to any query then it doesn't return NULL values, and sometimes it required to return NULL values as well. We can do this by using IS NULL or IFNULL operator.
Example:
We have a table "employee" as be...
Control Flow Functions
Hello friends,
Today I am here to explain the control flow function of mysql. Some times you want to get the result with respect to some conditions then you can use these functions.
Here are 4 type of control flow function which are following...
