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Log-Based Recovery in DBMS

By Chaitanya Singh | Filed Under: DBMS

In the previous chapters, you learned how to identify a recoverable schedule and what kind of failures can occur in DBMS. In this chapter, you… [Read More]

Failure Classification in DBMS

By Chaitanya Singh | Filed Under: DBMS

In DBMS there are several transactions running in a specified schedule. However sometimes these transactions fail due to several reasons. In previous tutorial, we learned… [Read More]

Recoverability of Schedule in DBMS

By Chaitanya Singh | Filed Under: DBMS

In this guide, you will learn a very important concept in DBMS: Recoverability of Schedule. There are times when few transactions in a schedule fail,… [Read More]

DBMS vs RDBMS: Difference between DBMS and RDBMS

By Chaitanya Singh | Filed Under: DBMS

In this guide, you will learn the difference between DBMS (Database Management System) and RDBMS (Relational Database Management System). What is a DBMS (Database Management… [Read More]

DBMS SQL Insert Statement

By Chaitanya Singh | Filed Under: DBMS

INSERT statement is used to insert the data into the table in database. You can insert values of specified columns or an entire record containing… [Read More]

DBMS SQL Select Statement

By Chaitanya Singh | Filed Under: DBMS

SELECT statement is used to fetch (retrieve) the data from the database. In this tutorial, you will learn how to retrieve the desired data from… [Read More]

DBMS: SQL Drop Table

By Chaitanya Singh | Filed Under: DBMS

DROP TABLE statement is used to delete the existing table from the database. There is another statement TRUNCATE TABLE which is also used to delete… [Read More]

DBMS: SQL Create Table

By Chaitanya Singh | Filed Under: DBMS

CREATE TABLE statement is used to create a table in database. This statement creates a table with the specified column and datatypes. Syntax: CREATE TABLE… [Read More]

DBMS: SQL Operator

By Chaitanya Singh | Filed Under: DBMS

In this article, you will learn the various operators that can be used in SQL queries. Operators in SQL can be categorised as follows: Arithmetic… [Read More]

DBMS: SQL Commands DDL, DML, DCL, TCL, and DQL

By Chaitanya Singh | Filed Under: DBMS

SQL commands are instructions to the database to perform a specific operation. For example, you can use SELECT command to read the data from database,… [Read More]

DBMS: Advantages of SQL

By Chaitanya Singh | Filed Under: DBMS

In this article, we will discuss the advantages of SQL. We have already seen the several features of SQL in characteristics of SQL. Here, we… [Read More]

DBMS Characteristics of SQL

By Chaitanya Singh | Filed Under: DBMS

In this article, you will learn the characteristics of SQL. Characteristics of SQL Easy to Learn: SQL is user-friendly, english like language that makes it… [Read More]

DBMS SQL

By Chaitanya Singh | Filed Under: DBMS

Structured Query Language, popularly known as SQL is a domain specific language used to manage data in relational database management systems (RDBMS). It allows the… [Read More]

Cluster File Organization in DBMS

By Chaitanya Singh | Filed Under: DBMS

Cluster file organization is different from the other file organization methods. Other file organization methods mainly focus on organizing the records in a single file… [Read More]

B+ Tree File Organization in DBMS

By Chaitanya Singh | Filed Under: DBMS

Similar to ISAM file organization, B+ file organization also works with key & index value of the records. It stores the records in a tree… [Read More]

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