Define union, minus, union all, intersect ?
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When is the explicit cursor used ?
How do you remove duplicates without using distinct in sql?
Why is nosql good?
how to create a table index in mysql? : Sql dba
What will you get by the cursor attribute sql%rowcount?
what are local and global variables and their differences? : Sql dba
how would you write a query to select all teams that won either 2, 4, 6 or 8 games? : Sql dba
What is raid? How does it help storage of databases?
Which command is used to delete a package?
What are the query optimization techniques?
What are different joins used in sql?
What are the different schemas objects that can be created using pl/sql?
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