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give some example real-life situations where DBMS are most suiitabe
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
When every condition appears with equality condition (=) only. c) Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha
how the string works as keyword?
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
What are object interaction diagrams? Object interaction diagrams are the diagrams that used to describe order in which messages are communicated in execution of an operation,
What is theta join explain? Theta Join - The theta join operation is an extension to the natural-join operation which permits us to merge selection and a Cartesian
Why DML is used for? DML is used to Manipulation and processing of database. DML is provided for manipulation & processing of database. (Data stored in the database is processed
Data Independence This brings us to our next topic: data independence. It is the property of the database which tries to make sure that if we make any change in any level of sc
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