In which situation you use Self joins?
We use Self Join, if we have a table that references itself.
For example, In the Employee Table below MANAGERID column
references EMPLOYEEID column. So the table is said to
referencing itself.This is the right scenario where we can
use Self Join.
Is This Answer Correct ? | 8 Yes | 0 No |
How do I know if localdb is running?
Do you know what is rank function?
What is query optimizer in sql server?
How do I create a stored procedure in dbml?
If there exist a index on the table, and we then make a view on that table (include the indexed column from base table) than why do we require indexing on view?Doesnt it create an overhead?
what is the difference between count(*) and count(1) ?
What will happen when a Rollback statement is executed inside a trigger?
1 Answers Flextronics, Hexaware,
What is an indice?
How many triggers you can have on a table?
What are views used for?
What is the difference between ddl and dml?
what is statistics