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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
does tables are called relations
Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
What is the use of group by clause? Group by clause is used to apply aggregate functions to a set of tuples. The attributes given in the group by clause are used to
Concatenation operator Example : Printing name and job as one string as column name employees: SELECT ENAME||JOB "EMPLOYEES" FROM EMP;
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
What are the reasons of bucket overflow? Explain any two methods for solving this problem. Ans: It is general for file structures to be divided into equal-length partitions, k
Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
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