Why packages are used in oracle?
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List out the types of joins.
what are Triggers?
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Can we create more than one constraint to column ?
What is COST-based approach to optimization ?
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How to define a variable of a specific record type?
What is a snapshot in oracle database?
Point out the difference between user tables and data dictionary?
Where do you use decode and case statements?
How to update values on multiple rows in oracle?
What is the relationship among database, tablespace and data file?