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Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas
What is it ?
There are three main sources of utilities and applications for a DBMS: a. Vendor applications and utilities are given for working with or maintaining the database, and generally
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
What is the aim of logical schema ? The main motive of the logical schema is to ensure the portability of procedures and models on various physical schemas at runtime.
Define Fifth Normal form is concerned with Ans : Fifth Normal form is concerned with Join dependency.
the of super market system done in database
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