What is difference b/w composit key n primary key and forigion key?

4 Answers  

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I want to make a query where I want to eliminate the duplicate rows from the table. For example : Input : Table : NAME Column1 Column2 India USA USA India UK India India UK The desired output that I want to eliminate the duplicates Output India USA UK India Thanks

2 Answers   Sun Life,

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What is the difference between mysql_connect() and mysql_pconnect()?

7 Answers   TCS,

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In PHPmysql language how can we update our previous information.when update form open then we get our previous information in textbox,checkbox,selct,radio button.How can we show the information in checkbox,select menu,radio button which is available in database?

0 Answers  

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How to control the max size of a heap table?

0 Answers  

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mazimum size of a database in mysql? when we create a table then how many tables actually created? write there name?

1 Answers  

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What are the non-standard sql commands supported by 'mysql'?

0 Answers  

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Why is mysql used?

0 Answers  

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How many threads can mysql handle?

0 Answers  

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How would concatenate strings in mysql?

0 Answers  

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How can you create and drop view in mysql?

0 Answers  

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What is the diff. bwt. primary key and unique key?

4 Answers  

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