DML complier, Database Management System

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Example of relational operations, Consider the relation PERSON. If you want...

Consider the relation PERSON. If you want to display details of persons having age less than or equal to 30 than the select operation will be used as follows: σ AGE The resu

Type of views-data control, Type of views :  Simple views and Difficult ...

Type of views :  Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One

What are the four main characteristics of the database, What are the four m...

What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.

Explain sorted file with advantages, Explain sorted File with advantages? ...

Explain sorted File with advantages?  Sorted file The sort utility shall perform one of the subsequent functions: 1.Sort lines of all the named files together and write the

Relational database, Consider the following relational database: STUDENT (n...

Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem

Creating database for library, i need help with creating database system fo...

i need help with creating database system for a library

Two phase locking technique, growing phase and shrinking phase are disjoint...

growing phase and shrinking phase are disjoint, why ?

Creation of indexes, Creation of Indexes Automatically: When a primar...

Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can

Concurrency control, Give the two reasons for allowing concurrency

Give the two reasons for allowing concurrency

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