difference between generalisation,specialisation and
aggregation? with examples.
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Define join types.
What is an artificial (derived) primary key? When should it be used?
What is father dbms?
What are the differences between hash join, merge join and nested loops?
What database should I learn first?
Define weak entity set.
Is this statement true or false? All databases must be in third normal form?
what is the difference between inline query and corelated subquery
What is blob database?
what is difference between paging and fragmentation?
How to deactivate triggers?
How do you copy a database?
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