What does use do in MySQL?

Which MySQL database is in use?

mysql> use test Database changed mysql> SELECT DATABASE() FROM DUAL; The following is the output. mysql> show databases; Here is the output that displays all the databases.

Why semicolon is used in MySQL?

A MySQL client program such as MySQL Workbench or mysql program uses the delimiter ( ; ) to separate statements and executes each statement separately. However, a stored procedure consists of multiple statements separated by a semicolon (;).

Can you use or in MySQL?

The MySQL AND, OR and NOT Operators The WHERE clause can be combined with AND , OR , and NOT operators. The AND and OR operators are used to filter records based on more than one condition: The AND operator displays a record if all the conditions separated by AND are TRUE.

What is ROW_COUNT () in MySQL?

ROW_COUNT() returns the number of rows updated, inserted or deleted by the preceding statement. This is the same as the row count that the mysql client displays and the value from the mysql_affected_rows() C API function.