what's the difference between a primary key and a unique key? : Sql dba
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i have doubt that any one tell ref cursor comes in sql pl/sql? pls clarify?
What is the primary use of normalization?
What are local and global variables and their differences?
What is difference between Procedures and Functions ?
What are the different sql languages?
Is sql an operating system?
What are the types of subqueries?
Can a view be updated/inserted/deleted?If Yes under what conditions?
What does closing a cursor do?
Is sql dba a good career? : SQL DBA
explain normalization concept? : Sql dba
using subquery how can i calculate working days in a month?