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What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
Explain algorithm of ER To Relational Mapping ? ER-to-Relational Mapping Algorithm: 1) Step 1: Mapping of regular entity types: For each strong entity type E, form a relatio
ALTER TABLE Command : This command is used for variation of existing structure of the table in the given situation: When a new column is to be added to the table structure.
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat
What is it ?
what is attribute is attribute inheritance in dbms?
write a short note on participation role? Participation role: roles are indicating in E-R diagram by labelling the lines that connect diamonds to rectangles.
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