Learn what is an SQL trigger, how to create and manage them, and how to use them effectively for database development. SQL triggers are special stored procedures that run automatically when ...

Identity field is typically used as a primary key in database. when a new record is inserted into a table, this field automatically assigns an incremented value to this column.however, inserting our ...

During management of SQL server database many times we need to get list all triggers in SQL Server database with table name and table's schema . Following query can be used to get the desired result.

I have a postgresql table to which I have linked a before insert trigger and trigger function. In the trigger function based on the insert values, I create child tables using inheritance and insert ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.