Why we are using the sql language?. What is the purpose of using this?

2 Answers  

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1. What are the grouping function in SQL ? 2. If base table of a view deleted means, what will happen while we querying on view ? will give any error ? 3. Difference between DROP, DELETE, TRUNCATE table ? 4. What is constraints and types ? 5. What is max size of nchar & nvarchar ? 6. Define ROLLBACK, COMMIT, SAVE POINT 7. How non-clustered better ? or rank the Clustered, Non-Clustered and Table scan in performance wise 8. Select 10 rows from a table ? 9. Define DML, DDL, DCL, DTL commands ? 10. What is mean by NULL value ? NULL means "" or 0 or undefined ? 11. Default constraints ? 12. Can we have more then primary Key in table ? 13. Type of integrity ? Entity, Referential, Domain ?

10 Answers   Perot Systems,

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Explain DBMS, RDBMS?

6 Answers  

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What is the difference between varchar and nvarchar?

0 Answers  

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Write a SQL query in order to merge two different columns into single column?

0 Answers   QuestPond,

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What guidelines should be followed to help minimize deadlocks?

0 Answers  

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How to declare a cursor with "declare ... Cursor" in ms sql server?

0 Answers  

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What is cursor in ms sql server?

0 Answers  

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how to replace double quotes by single quotes in sql server

2 Answers   CAC,

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Does partitioning improve performance?

0 Answers  

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Can we use where clause in union?

0 Answers  

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What is difference between equi join and inner join?

0 Answers  

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