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Which database level is closest to the users?
External database level is closest to the users.
Consider the following relations: BRANCH( bno, street, area, city, pcode, Tel_no, Fax_no) STAFF( Sno, Fname, Lname, address, position , salary, bno) Express the subsequent qu
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
These are designed to reduce the effects of a database failure and make sure a database is restored to a consistent state if a failure does arise. Manual backup/restore utilities n
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
What is an ER diagram? Why is it used in Database management system (DBMS)?
Explain the term- Periodic recomputation Periodic recomputation: Base values are often updated in bunches. Sometimes, it is possible to just recompute all derived attributes p
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
What is substitutability? Any method of a class-say A can equally well be adjured with any object belonging to any subclasses B of A. This characteristic leads to code reuse, a
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