What can I use instead of union in sql?


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More SQL PLSQL Interview Questions

What are the types of keys?

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What is update query?

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How much ram can sql express use?

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How to test for null values?

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Write one update command to update seqno field of a table on the basis of row number.

4 Answers   HCL,






what is error ora-03113: end-of-file on communication channel?

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What are character functions in sql?

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Is it possible for a table to have more than one foreign key?

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What is clustered, non-clustured and unique index. How many indexes can be created on a table ?

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Explain the structure of pl/sql in brief.

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How do I view an execution plan in sql?

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Why is theta join required?

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