what is the use of SYSTEM.EFFECTIVE.DATE varaible ?
Enlist the advantages of normalizing database.
What is a system concept?
Why do we need database management?
What are the different kind of export backups ?
What are the lock types?
If an UNIQUE KEY constraint on DATE column is created, will it accept duplicate values?
Describe the differences between vertical and horizontal portioning.
Can A column defined as PRIMARY KEY can have NULL values ?
How to lock records in a table?
What are data modelling tools?
What is difference between database and spreadsheet?
What are the components of rdbms?
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