When the given two expressions are equal, the NULLIF() function compares them and returns NULL. If not, the first expression is returned. Examples: SELECT NULLIF(34,
Category: RDBMS
SQL Server ISNULL equivalent in MySQL
One of the often used functions in SQL Server is ISNULL, which aids in replacing the null values of a column with an alternative value.
IFNULL in MySQL
If the expression is NULL, the IFNULL() function returns a specified alternative value. This function returns the expression if it is NOT NULL. This function
SUBTIME in MySQL
The SUBTIME() function subtracts a given time from a specified time or DateTime expression and then returns the resulting time/DateTime. Syntax: SUBTIME(datetime, time_interval) Note that
TIME_FORMAT in MySQL
The time_format() is a MySQL date/time function. The purpose of it is to format the time using a defined format_mask. Format_mask refers to the timely
TIMEDIFF Function in MySQL
In order to analyze trends or systemic patterns throughout time, organizations might use time series analysis. Business users can explore the reasons why such patterns happen
Big Data & SQL 