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Explain Database Schema and its Types
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…
SQL Server CONSTRAINTS With Examples
SQL Server CONSTRAINTS With Examples: Constraints are the principles enforced on the information columns of a table. This ensures the accuracy and dependability of the information within the info. SQL…
Different Sql Functions With Examples
Different Sql Functions With Examples: Functions are used to perform actions on a single value or a table. Functions accept values, take action on it and then give desired results.…
Explain Data Manipulation Language (DML) with Examples in DBMS.
Explain Data Manipulation Language (DML) with Examples in DBMS.: Data Manipulation Language (DML) can be defined as a set of syntax elements that are used to manage the data in…
Explain Data Control Language (DCL) with Examples in DBMS
Explain Data Control Language (DCL) with Examples in DBMS: A Data Control Language (DCL) can be defined as a computer language that is used for controlling privilege in the database.…
Data Definition language (DDL ) in DBMS with Examples
Data Definition language(DDL) in DBMS with Examples: Data Definition Language can be defined as a standard for commands through which data structures are defined. It is a computer language that…
What is SQL, its Applications, Advantages and Disadvantages?
SQL fully abbreviated as Structured Query Language can be defined as a domain-specific language used to manage the relational databases and performs different operations on the data stored in them.…
Joins in DBMS and Types (Inner, Outer, Theta, Equi, Left, Right)
Joins are the foundation in SQL. The JOIN operation is essentially used to combine related tuples from two or more relations into a single type. In simple words, it is…
12 Ef CODD’S RULES IN RDBMS
12 Ef CODD’S RULES IN RDBMS PDF: In 1985, Dr Edgar Frank “Ted” Codd- A computer scientist working for IBM proposed the relational model for database management which forms the…