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What is meant by Physical blocks?
The input and output operations are completed in block units. The blocks residing on the disk are referred to as physical blocks.
Primary Index In primary index, there is a one-to-one relationship among the entries in the index table and the records in the major table. Primary index can be of two types:
A domain is a set of permissible values that can be given to an attribute. So each attribute in a table has a definite domain. Values to these attributes cannot be assigned outside
explain ANSI SPARC architecture
Explain forms based and graphical interface? Forms based and graphical interface: graphical user interface (GUI) is a kind of user interface which permits people to interact
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
What is a dataset? A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Dataset
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
how to data store?
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