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What is Specialization?
Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusing as much of existing design and code as possible, and minimizing or eliminating the migration, costs of interchange, and maintenance.
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
The First Normal Form (1NF) Let us first describe 1NF: Definition: A relation (table) is in 1NF if 1. There are no duplicate tuples or rows in the relation. 2.
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
Normal 0 false false false EN-IN X-NONE X-NONE
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
please i request for your assistance in developing a case-based online phone repair
I want to fragment existing table using java code... help me..!!
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
real life situations where database management system are most suitable
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