What is difference between primary and secondary key?
Why is theta join required?
1. is it possible to use the cursor atttibutes (%found ,% rowcount , %isopen , %notfound ) to our user defined cursor names ....... cursor cursor_name is select * from scott.emp if you use... cursor_name%found , %rowcount ,%isopen,%notfound...will it work... -------------------------- 2.what is the difference between the varray and index by table .. -------- 3. type type_name is table of number(8,3) index by binary_integer; identifier_name type_name; first , last , prior , next ,trim are the methods we can use it for the above type...simillary is there any way to apply for cursors... with thanks and regards..sarao...
What pl/sql package consists of?
What is embedded sql what are its advantages?
What is natural join in sql?
What is package in pl sql?
what is the difference between delete and truncate commands? : Sql dba
What is the use of desc in sql?
How do I view tables in sql developer?
I have a table .in the table 100 recored is there .we have get the single row with out using clause..
What will happen after commit statement ?
Show how functions and procedures are called in a pl/sql block.