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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
what is attribute is attribute inheritance in dbms?
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
write a database program for concurrency transaction in a bank
lock and types of lock
A database has been designed for this beauty parlour in order for the staff to manage specific things such as bookings made by clients, payments, staff availability, level of exper
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
Primary index A primary index is a file that has a sorted series of records having two columns: a block address for that key field in the data file; and the ordering key field.
Chapter 10a review questions
What are the three data anomalies that are likely to occur as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not? A
Normal 0 false false false EN-US X-NONE X-NONE
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