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Oracle Developer Interview Questions

Q   |   QA

Provide an additional level of table security, by restricting access to a predetermined set of rows and columns of a table. Hide data complexity. Simplify commands for the user. Present the data in a different perpecetive from that of the base table. Store complex queries. 

A sequence generates a serial list of unique numbers for numerical columns of a databases tables. 

A synonym is an alias for a table, view, sequence or program unit. 

There are two types of Synonyms Private and Public. 

A Private Synonyms can be accessed only by the owner. 

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