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What functions does a data dictionary perform?
In a (DBMS)data management system, the principal functions performed by the data dictionary are
aggregation
The database application project (DAP) for this assignment consists of the creation of a fully functional Microsoft Access database application for a real client. I recommend you s
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
multiplicity constarin
object oriented database
List out various user authorization to modify the database schema. a) Index authorization b) Resource authorization c) Alteration authorization d) Drop authorizat
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