Answer Posted / tejinder

select salary from emp order by salary desc limit 0,1;

what is the use of triggers in Java program? I mean where do we use triggers in Java programming?

1693

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How to add a new column to an existing table with a default value?

542

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What are the restrictions in a oracle read only transaction?

569

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What is integrity and what is constraint??Explain with example

1695

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Explain oracle data types with examples?

575

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Is the After report trigger fired if the report execution fails ?

2402

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How to create a testing table in oracle?

543

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What are the logical operations?

674

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How to use regular expression in pattern match conditions in oracle?

573

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Difference between pre-select and pre-query

574

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Explain what are the uses of rollback segment?

580

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What is control file used for?

602

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How to concatenate two text values in oracle?

590

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What is an oracle and why it is used?

623

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What is difference between sid and service name in oracle?

516

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