Database - Advanced SQL
Exercise : Advanced SQL - True or False
- Advanced SQL - General Questions
- Advanced SQL - True or False
Triggers are stored blocks of code that have to be called in order to operate.
The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested.
There should be one condition within the WHERE clause for each pair of tables being joined.
Subqueries can be nested multiple times.
The code to create triggers and routines is stored in only one location and is administered centrally.