Answer Posted / aravind

Transaction is a logical unit of work that comprises of one
or more sql statements.

Explain unique key in sql.

564

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Which is better join or inner query?

518

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What is a string data type in sql?

516

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How can we solve sql error: ora-00904: invalid identifier?

699

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What is scalar data type in pl sql?

556

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Are there any features that are decommissioned in 11g that are not present in 11g?

1595

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What is a primary key? Explain

542

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discuss about myisam index statistics collection. : Sql dba

531

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What is cte sql?

517

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Is sql free?

501

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What is cross join example?

556

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How do I run a sql query?

532

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what is union? : Sql dba

586

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what is the difference between a web-garden and a web-farm? : Sql dba

556

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How many databases can sql express handle?

536

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