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Synonyms and Indexes
Some of the essential properties of indexes are:
limitations and benefits in database tecknowlagy
What is Structured Query Langauge (SQL)? SQL is a powerful set-oriented language which was formed by IBM research for the databases that adhere to the relational model. It havi
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
discuss the purpose of the concurrency control?
Derived horizontal fragmentation: Some applications may include a join of two or more relations. If the relations are stored at dissimilar locations, there may be a major overhead
explain multi key file organisation
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
Describe DROP TABLE command of SQL along with both the options - CASCADE and RESTRICT. DROP TABLE command - This command drops the specified table. Dropping a table also dro
The clause in SQL which specifies that the query result should be sorted in ascending or descending order based upon the values of one or much more columns is Ans : Order by
State the process of Rearranging Classes and Operations The various, yet similar operation of different classes can be slightly modified thus that they can be covered by a sin
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