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notes

Recoverability in DBMS

Data recovery is one of the most important components of (DBMS). It ensures that data remains consistent and accessible…

Geeks Help Author Tannu Dahiya
notes

Structured Query Language (SQL)

Structured Query Language SQL (Structured Query Language) is a database administration language that involves database …

Geeks Help Author Tannu Dahiya
notes

Relational Database Management System - ORACLE

What is ORACLE Database? Oracle Database's fundamental job is to organize and structure data so that it may be stor…

Geeks Help Author Tannu Dahiya
notes

Views in DBMS

View A view is a table whose rows are not explicitly stored, a view is a virtual table based on the result-set of an SQ…

Geeks Help Author Tannu Dahiya
notes

Explain Schema, Instance, Mapping

Schema Here, the database design is referred to as the DBMS schema. As an illustration, let's consider the employee…

Geeks Help Author Tannu Dahiya
notes

Difference Between Relational Algebra and Relational Calculus

Relational Algebra A procedural query language, relational algebra accepts instances of relations as input and returns …

Geeks Help Author Tannu Dahiya
notes

SQL Constraints

SQL Constraints  The rules that restrict the kind of data that can be entered into a database are known as SQL constrai…

Geeks Help Author Tannu Dahiya
notes

DBMS Functions and Components

Functions of DBMS DBMS provides several functionalities, which are discussed below: 1. Data Storage Management Creating…

Geeks Help Author Tannu Dahiya
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Storage Management in Oracle

Automatic Storage Management Automatic Storage Management (ASM), an Oracle Database feature, simplifies storage managem…

Geeks Help Author Tannu Dahiya
notes

Scheduling in DBMS

A schedule is the sequence of actions that connects one transaction to the next. Scheduling is the process of schedulin…

Geeks Help Author Tannu Dahiya
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Relational Calculus in DBMS

Relational Calculus In DBMS, Relational Calculus is a unique technique to query creation. Relational calculus in DBMS i…

Geeks Help Author Tannu Dahiya
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