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Define blocks?
The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
NEED ER DIAGRAM WITH MINIMUM ENTITY AND RELATIONSHIP of Hospital Management System
Different stages of DDLC ?
What is a transaction ? The Transaction is a unit of data processing. For instance, many of the transactions at a bank may be withdrawal or deposit of money; transfer of money f
What is advantage of two-way association? Two-way association advantages are following: a) Independent of the classes. b) Useful for existing predefined classes that are
Saving Derived Attributes to Avoid Re-computation Data that is derived from other data should be stored in the computed form to avoid re-computation. For this, we could define
Explain trigger? Trigger: A database trigger is procedural code which is automatically executed within response to certain events on a particular table in a database. Trigger
how oracle can be used
why are older data models are being replaced by new data models
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
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