What is a unique key?


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More SQL PLSQL Interview Questions

When a dml statement is executed, in which cursor attributes, the outcome of the statement is saved?

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What is an intersect?

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Is it possible to create the following trigger: before or after update trigger for each row?

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what is a scheduled jobs or what is a scheduled tasks? : Sql dba

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What is synonyms?

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How many tables can you join in sql?

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What type of join is sql join?

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Is it possible to include an insert statement on the same table to which the trigger is assigned?

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Which join is default?

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Types of backups ?

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Is it possible to Restore a Dropped Table using Rollback Command in Oracle SQL Plus ?

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What is the use of stored procedures?

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