check whether all the emp numbers are indeed unique.

6 Answers  

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Can we join more than 2 tables in sql?

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What are the advantages of pl sql over sql?

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What are the types of operators available in sql?

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Table A Table B 1 1 2 1 3 1. Union & union all --> A Union B , A Union all B 2. Minus , Intersect --> A minus B , B Minus A , A Intersect B 3. Joins A join B , A Left Join B A Right Join B , A full Join B 4. %Type - Uses & Benifit 5. Truncate & Delete 6. Pragma Autonomus Transaction 7. how to Perform DDL from function or procedure 8. Can we have DML inside Function 9. Rank & Dense Rank diffrence 10. Water Mark in Oracle 11. Index , Can we have index in all column of table if no then why ?

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What are the parts of a basic sql query?

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mail-id table contains two columns(email_id,userid) it contains different types of mail-ids,and no of users. here username length is differ na,(ex- tamil@yahoo.com,joshua@hotmail.com like) now i want to fetch the email-ids only starting from '@' (ex-@gmail.com,@yahoo.com,@hotmail.com

5 Answers  

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What is replication id?

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What are the types of keys?

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What is difference between left and right outer join?

0 Answers  

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What is the max nvarchar size?

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what is SCALAR Queries?

2 Answers   ITC Infotech,

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