what is the importence of the trigger in sqlserver2000?
Answer / kinthada cnu
hi all
Trigger nothing but special kind of stored procedure
it's providing security to table data.And it is automatically
fire when the queary excuted.
ex:
create trigger <trigger name>
on <table name>
for <insert/update/delete>
as
begin
<statments>
end
Is This Answer Correct ? | 2 Yes | 1 No |
How is sql used in sql server?
What is the use of for clause?
What does it mean if @@cursor_row returns a negative number?
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 in and exists. Ex: select * from emp where empno in(....) and select * from emp where empno exists(....) What is the difference between a Join and Union and Union and UnionAll.
Explain “not null constraint” in sql server?
Is it possible for a stored procedure to call itself or recursive stored procedure? How many levels of sp nesting are possible?
What is efficiency data?
What is indexing explain it with an example?
What is nolock?
How to handle error or exception in sql?
What are the benefits and tasks of object explorer? : sql server management studio