A compound statement starts with the keyword BEGIN and concludes with the keyword END. The body of a procedure or trigger is a compound statement. Compound statements can also be used in batches. Compound statements can be nested, and combined with other control statements to define execution flow in procedures and triggers or in batches.
A compound statement allows a set of SQL statements to be grouped together and treated as a unit. Delimit SQL statements within a compound statement with semicolons.