How delete all data from all tables in sql?

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Can you join a table to itself?

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Which command is used to delete a trigger?

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What does select top 1 do in sql?

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hi this is nakka i have been looking for 1+ exp in oracle sql,plsql developer positions also have knoledge on d2k i am not getting proper walkins how to know it? where can i find it?

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I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

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What does dml mean?

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What is pl/sql table? Why is it used?

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Explain the uses of control file.

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how to find 5th row ?

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If there are 1 to 100 numbers in a table and in that 100 numbers some 10 numbers are deleted.I want to find out the missing numbers between 1 to 100 by pl/sql how?

9 Answers   JPMorgan Chase,

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how to Update table Sales_summary with max(sales) data from table sales_dataTable 1. sales_data table Table 2. Sales_summary Region sales Region sales N 500 N 0 N 800 W 0 N 600 W 899 W 458 W 900 I want the Sales_summary After Update like this Region Sales N 800 W 900

8 Answers  

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