Why do we use sql constraints? Which constraints we can use while creating database in sql?
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How do you drop a trigger?
What are the types of records?
I want to display the employees who have joined in last two months. (It should be executed randomly means If I execute the query in March it should display Jan and Feb joined employees. Same query if i execute in Feb, 2007 it should display dec, 2006 and jan 2007 joined employees.
What program will open a mdb file?
How to display Row Number with Records in Oracle SQL Plus?
What is the purpose of using pl/sql?
What is the location of pre_defined_functions.
What is difference between table and view?
What are aggregate functions in sql?
What are the parts of a basic sql query?
Why trigger is used in sql?
What is scalar function?