What is the primary key?

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What is normalization in a database?

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Table 1: col1 Timestamp ---------------- 01-mar-2012 11:12:46 Table 2: col2 Timestamp -------------------- 01-mar-2012 11:12:10 01-mar-2012 11:11:23 Write a query to display a row with table2 col2 value less than tabl1 col1 value. Maximum timestamp value previous to table1 col1 value. Display a result as: Col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

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Create a procedure to delete certain records from a table and display the total number of records deleted in this process. (Condition for deletion can be of ur choice, for instance delete all records where eid='')

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What are the types of SQL Statement?

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What is meaning of <> in sql?

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Why does sql need a server?

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Where is sql database stored?

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Name the operator which is used in the query for pattern matching?

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there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?

7 Answers   Cognizant,

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What are the advantages of normalization?

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How do I view a sql trace file?

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