Write a SQL query to make a column as unique?
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What are primary keys and foreign keys?
Following are some of the question related to below mentioned query? select e1.salary from employee3 e1 where 2= ( select count(distinct(e2.salary)) from employee3 e2 where e2.salary>=e1.salary ) 1) What the query returns? 2) How it works? - Detail explanation (what the sub query does, why it is (where 2=)....etc...Please?
What are SSL and TSL protocols?
What is the use of nvl work?
How to check status of stored procedure in sql server?
Define the one-to-one relationship while designing tables.
Explain the third normal form(3nf)?
How many full-text indexes can a table have?
What will be query used to get the list of triggers in a database?
What is the use of keyword with encryption.
What are the benefits of filtered indexes?
What is default port number for sql server 2000?
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