What is varchar used for?

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how to find the second highest salary from emp table?

211 Answers   CIS, Cognizant, Cosmosoft, DAS, EDS, GreenTech, HOV Services, IBM, Infosys, National Institute of Science and Technology, Patni, Persistent, Polaris, TCS, Wipro, Yardi, Zensar,

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What does plv msg allows you to do?

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Hi all, I am going to write oracle certification. Can anyone send me the dumps available if any for OCA exam? Its really very urgent, prompt response will help me alot..

8 Answers  

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How are multiple column = value pairs delimited in the SET clause of an UPDATE statement? 1. With commas (SET price = 0, status = 'I') 2. With parentheses (SET (price = 0) (status = 'I')) 3. With double-pipes (SET price = 0 || status = 'I') 4. With square-brackets (SET [price = 0] [status = 'I'] 5. With single or multiple spaces (SET price = 0 status = 'I')

2 Answers  

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If a procedure within a package is invalidated whether the entire package will be invalid and has to be recompiled again?

2 Answers   IBM, TCS,

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What is oracle and pl sql?

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What is nosql example?

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what are the performance and scalability characteristics of mysql? : Sql dba

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what is 'trigger' in sql? : Sql dba

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What is a data definition language?

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What is trigger explain with example?

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