A Datatype can be defined as “Type of the value that is stored in a column of a table”. For instance, you want to create a table and have a column that will store all the names of students in your class then based on this requirement you choose CHARACTER or STRING datatype. Suppose you … Read more
Relational Data Model: Concept, Constraints, Advantages: The relational data model can be defined as the database that displays a cluster of relations between tables of values. There is a collection of data values represented by each row in the table that denotes a real-world relationship. Also See: Relational Calculus in DBMS with forms Domain and … Read more
What is data extraction and Tools in DBMS? Data extraction can be defined as the process of masking the data by eliminating irrelevant details so that the complexity can be minimized. The main motive of this technique is to boost efficiency in terms of data retrieval. The database design gets simplified due to this process. … Read more
10 Differences between SQL Vs MySQL in Tabular Form: A programmer has to utilize tons of different languages for creating, reading, updating, and deleting data located in the back-end. Their job isn’t very easier as they sometimes have to manipulate the relational database management system using various structured query languages, also known as SQL. Many … Read more
25 Difference Between DBMS and RDBMS: DBMS Vs RDBMS with PDF: Are you looking to distinguish between DBMS and RDBMS? If yes, it is the right place to do so. We will tell you about the differences between DBMS and RDBMS in detail. And at the end of this post, you will get a complete … Read more
Complete Guide: Denormalization in Database (DBMS), Techniques, Advantages, Disadvantages and why it is used: Do you know how many different ways are there to design a database? What will do if you want to optimize the database, so its performance gets a boost? If not, then this article is specially made for you. Here, we … Read more
Relational Calculus in Dbms with forms Domain and Tuple: Contrary to relational algebra that could be a procedural source language to fetch information and that conjointly explains however it’s done, relational Calculus is a non-procedural source language and has no description regarding how the query can work or the information can be fetched. It solely … Read more
What is cardinality, Types With Example IN DBMS: In the context of databases, cardinality refers to the distinctiveness of information values contained in a column. High cardinality implies that the column contains an outsized proportion of all distinctive values. Low cardinality implies that the column contains plenty of “repeats” in its information vary. It’s not … Read more
Explain Database Schema and its Types: A database schema is a skeleton structure that represents the logical view of the complete database. It defines how it is organized and the way the relations among them are associated. It formulates all the constraints that are to be applied to the information. A database schema defines its … Read more
DATABASE RECOVERY IN DBMS AND ITS TECHNIQUES: There can be any case in database system like any computer system when database failure happens. So data stored in database should be available all the time whenever it is needed. So Database recovery means recovering the data when it get deleted, hacked or damaged accidentally. Atomicity is … Read more