Difference between primary key and unique key ?

77 Answers   Accenture, B2B Software Technologies, Cognizant, HP Finsoft, IndiaNIC, Karomi Technology, Keane India Ltd, L&T, Onward eServices, R Systems, Shakti, Techtic Solutions,

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Why packages are used in oracle?

0 Answers  

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how to get required data from oracle source is like this ram_05_seetha lax_05_viswa bamr05frummy run_01_away sw_sas_trim i want my target data like ram_05_seetha lax_05_viswa to get data using %_05_% but it will give ram_05_seetha lax_05_viswa bamr05frummy how can i get my target data?

1 Answers   Infosys,

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Indexes in oracle ?

3 Answers   Keane India Ltd, L&T,

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I need to get the values of the previous quarter.how to do this?eg: if my cuurent month is may i need to get the datas of the month jan,feb,march.Can it be done in oracle.I tried with date function q but for the month jan its not retriving the previous quarter(oct-dec).how to solve this.plpz anyone help me?

2 Answers   Philips,

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How to create a single index for multiple columns?

0 Answers  

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What is Network Database link ?

1 Answers  

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Explain the use of record length option in exp command.

0 Answers  

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how to retrieve data from different tables ,place this data in different excel worksheets.

1 Answers   Gap Inc,

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What is the usage of control file in oracle?

0 Answers  

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1) Does oracle have any table which contain all the exceptions and it's code internally?

0 Answers   CTS,

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What happens internally when the user types userID/password@string in SQL PLUS Thanks-Bhaskar

1 Answers   Oracle,

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