What is the difference between nvl function, ifnull function, and isnull function?
What is the difference between inner join and outer join?
how i do the database testing of online money transactions between two parties (client and organization). suppose our company makes a website for our client and give a extra feature of online money transaction with there clients then how i test this feature in database testing
What are different types of queries in sql?
How is data stored on a disk?
Show the cursor attributes of pl/sql.
What is the purpose of primary key?
Does db2 use sql?
how to retrive only second row from table?
Why is the cursor important?
What is indexes?
Can a trigger call a stored procedure?
How we can create a table in pl/sql block. Insert records into it? Is it possible by some procedure or function? Please give example?