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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
Process of Adjustment of inheritance During object design, inheritance is readjusted by rearranging classes and operations, and abstracting common behaviour.
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Define Atom of domain relational calculus An atom has the outline 1 , x 2 , ... , x n > -> r , in which r stands for a relation on n attributes and x 1 , x 2 , ... , x n ar
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
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece
Sequential File Organisation The most necessary way to organise the collection of records in a file is to use sequential Organisation. Records of the file are stored in series
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
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