Showing entries 1 to 2
Displaying posts with tag: mysql count (reset)
MySQL COUNT() – the Essence, Syntax, and Types

If your occupation has anything to do with databases, you face all kinds of routine tasks on data manipulation every day. Does it mean you have to do them all manually? Of course, not. It would consume all your time and raise plenty of risks. There are many convenient IDEs like dbForge Studio for MySQL […]

The post MySQL COUNT() – the Essence, Syntax, and Types appeared first on Devart Blog.

MySQL select count

COUNT function counts the number of rows retrieved by a SELECT statement. The return value is of type BIGINT. The COUNT(expr) function count the number of non-NULL values of expr in the rows retrieved by a SELECT statement. SELECT COUNT(expr) FROM tbl; In contrast, COUNT(*) is different in that it returns a count of the […]

Showing entries 1 to 2