Are null values the same as that of zero or a blank space?

0 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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you added a row to a view, but the row is not shown on the view. Explain how this can happen, and how you can remedy the situation

0 Answers  

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How each E-R model constructs can be mapped to the relational model?

0 Answers   HCL,

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How to turn off warning messages during php execution?

0 Answers  

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How many types of objects are there?

0 Answers  

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What is bit datatype and what's the information that can be stored inside a bit column?

1 Answers  

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What is the use of attributehierarchyvisible ? : sql server analysis services, ssas

0 Answers  

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Is port 1433 secure?

0 Answers  

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Can we execute a stored procedure inside a trigger?

6 Answers   BirlaSoft, CarrizalSoft Technologies, United Healthcare,

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Can some one please help with a query which will take only max value of a column in a join.

2 Answers  

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Which system tables contain information on privileges granted and privileges obtained

1 Answers  

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