Differences between UNIQUE and DISTINCT in select statements

26 Answers   ABS, DELL, Deloitte, Hewitt, Oracle, Verinon Technology Solutions, Wipro,

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Does execute immediate commit?

0 Answers  

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What is composite primary key in sql?

0 Answers  

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what is the difference between union and union all

14 Answers   IBM, Luxoft, Oracle,

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Explain what is a column in a table?

0 Answers  

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Which column in the user.triggers data dictionary view shows that the trigger is a pl/sql trigger?

0 Answers  

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have table with two columns with datatypes as number and varchar and the values in A column like 1,2,3 AND B column values like a,b,c. now need to display data in a single column as 1,a,2,b,3,c.

8 Answers   IBM, Zensar,

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Difference between truncate, delete and drop commands?

0 Answers  

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How to export the table data (this table having 18 million records) to .csv file. Please tell me is there any faster way to export the data.

8 Answers  

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What are the differences between Database Trigger and Integrity constraints ?

4 Answers  

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What is sql character function?

0 Answers  

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list out some tools through which we can draw e-r diagrams for mysql. : Sql dba

0 Answers  

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