What are types of indexes in sql?

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Write a sql query to find the names of employees that begin with ‘a’?

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What is primary key and foreign key?

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how to see the oracle 9i/10g table in pc? or In my pc where the table is saved and how to see?

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what is a composite key ? : Sql dba

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how will you find out the last three records in a table with n no of records and delete them

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Write an sql query to select all records from the table?

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i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

2 Answers   IBM, Loginworks, OFSS,

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explain the options of myisamchk to improve the performance of a table. : Sql dba

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What is record type in pl sql?

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What are the query optimization techniques?

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What is the first action to perform a query? Suppose I have four tables and five joins and my query is getting slow day by day.

4 Answers   Hexaware,

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