Is null vs coalesce?

0 Answers  

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Tell me about pre-defined functions of sql?

0 Answers   EXL,

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What information is maintained within the msdb database?

0 Answers  

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what is a live lock? : Sql server database administration

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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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What is the purpose of sql profiler in sql server? : sql server database administration

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How to recompile stored procedure at run time?

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What happens on checkpoint?

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Why we use the openxml clause?

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Explain what are the authentication modes in sql server?

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OPTIMIZATION OF SP,CURSOR,TRIGGERS

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A table contains list of customers and his city with other details. Each customer has a unique number and the table consists millions of data. Query is: I want to retrieve 10 customers from each city, no script, only from single query?

8 Answers   Infosys,

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