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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
Lock Based Protocol A lock is nothing but a mechanism that tells the DBMS whether a particular data item is being used by any transaction for read/write purpose. As there are t
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
Explain the cartesian product in Database Management System
Record based Logical Models: Use records as the key data representation components Examples: Relational Model: It shows data as well as relationship between data in the form
what is inverted and multilist structure
. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan Gurukul Company that provide better security also design a data abstraction
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
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