Why do we need a foreign key?
Why does %isopen return false for an implicit cursor?
can i use dbms_output.put_line in a function u are telling as return statement
Can we rename a column in the output of sql query?
i have a table t1 a math 20 b phy 30 cchemisty 10 a math 40 b phy 23 c che 21 a math15 bphy 33 c che 56 write a quire to find out the max markr of each subject
What is cte sql?
How to place comments in pl/sql?
How many sectors are in a partition?
What is the non-clustered index in sql?
what is indexing, searching and user interface?
What is on delete set null?
what is definer rights invoke rights?
what is the differnce between procedure and function? in both dml operations can work and in procedure through out parameter you can return value ,then what is the differce?