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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
What is an Operand? The data on which the operation is to be performed is known as an Operand
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
Complexity : A distributed DBMS that is available, reliable, and secure is inherently more difficult than a centralised DBMS. Though, adequate data replication is essential to have
The Database Approach In order to overcome the limits of a file system, a new approach was needed. Hence a database approach emerged. A database is a persistent collection of
List any two significant differences between a file processing system and a DBMS. File Processing System vs. DBMS Data Independence - Data independence is the capacity t
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
how the string works as keyword?
Explain three main attributes of data.
Define reference file
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