Define transaction and transaction isolation levels?
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What is partial key?
Define entity.
What is an entity-relationship model?
How can you get the alternate records from the table in the sql?
What is cardinality in db?
How many types of database language exist?
Can we use a Restricted packaged procedure in WHEN_TEXT_ITEM trigger ?
What are codd rules?
What are the 4 main objects of a database?
What is bcnf?
What are its two major subsystems of r?
What is the best free database?
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