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Which is a legal expression in SQL? SELECT NAME FROM EMPLOYEE is a legal expression in SQL.
Which two tools are used to administer users for Active Directory?
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
Describe the candidate key functions ? Candidate Key and Alternate Key: In some instances, an entity will have more than one attribute which can serve as a primary key. Any key
How nulls are treated in comparison operator? Along with comparison (relational) operators, the null values are ignored as we cannot derive the relation along with the given op
er diagram on cosmetics.
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
Dependency Preservation It is obvious that the decomposition must be lossless so that we do not lose any information from the relation that is decomposed. Dependency preservati
Example: RELATIONAL SCHEMA for PERSON: PERSON (PERSON_ID: integer, NAME: string, AGE: integer, ADDRESS: String) RELATION INSTANCE In this instance, m = 3 and n = 4
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
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