Decimal Point Analytics Interview Questions, Process, and Tips

A trigger is a special type of stored procedure that automatically executes in response to certain events.

• Triggers are used to enforce business rules or to perform complex calculations.

• There are two types of triggers: DML triggers and DDL triggers.

• DML triggers fire in response to DML events (INSERT, UPDATE, DELETE).

• DDL triggers fire in response to DDL events (CREATE, ALTER, DROP).

• Triggers can be used to audit changes t...read more

Linux permissions include read, write, execute, setuid, and setgid.

• Read permission allows a user to view the contents of a file or directory.

• Write permission allows a user to modify the contents of a file or directory.

• Execute permission allows a user to run a file or access the contents of a directory.

• Setuid permission allows a user to execute a file with the permissions of the file's owner.

• Setgid permission allows a u...read more