What is SQL?, Purpose of SQL, Who should learn SQL?, What are the subsets of SQL?, Data Definition

Language(DDL), Data Manipulation Language(DML), Data Control Language(DCL), and SQL vs. NoSQL

What is a Database?, Database Objects, Database Tables, Table Records, Types of Database
Management Systems(DBMS), Relational Database Management Systems (RDBMS), and
SQL/Relational Databases vs. No SQL Databases

MS SQL Server or Oracle or MySQL Database Engine, Download and Install. Launch and use SQL
Server Management Studio, Write select New Query, and launch SQL Query. Type SQL Commands
and Execute them according to need.

Introduction, Focus on SQL Syntax, SQL keywords, SQL is not case sensitive, SQL Comments, SQL
Commands and their meaning, and writing SQL Statements.

Introduction and definition, SQL Numeric data types, Date and Time data types, Character and String
data types, Unicode character string data types, Binary data types, and Miscellaneous data types,
Use cases with examples.

Why use operators? SQL Arithmetic Operators, Logical Operators, Comparison Operators, and
Bitwise Operators

SQL Boolean Expression with examples, SQL Numeric Expression, and SQL Date Expression and conversions

SQL Comments, syntax, and Need, Comments are used to explain sections of SQL statements, or to prevent the execution of SQL statements. Single-Line Comments, and Multi-line Comments

SQL Data Definition Language(DDL) Commands, Create, Alter, Drop, Truncate, and Rename. Data Definition Language(DDL) Operations, Create a Database, Use Database, Rename a Database, Drop Database, Create a Table, Rename Table, Add a Column to existing Table, Add multiple columns to
existing Table, update an existing column, Drop a Column, Rename a Column, Truncate a Table, and Drop a Table.

Introduction, Data Manipulation Language(DML) Commands of DML, SELECT, INSERT, UPDATE, and DELETE.

Introduction, Retrieving inserted data from a table, Inserting data into a table, Updating existing data into a table, and Deleting all records from a table, Examples.

Introduction, DCL includes commands such as GRANT and REVOKE permissions, and other controls of the database system, Examples.

Introduction, Providing the user access or privileges to the database objects, and Taking back or canceling the privileges or permissions previously allowed or denied to the users, Examples.

Introduction, Importance, SQL has many built-in functions for performing calculations on data. SQL Aggregate Functions, SQL String Functions, SQL Scalar functions, SQL Date Functions, Examples

Introduction, A Query is used to traverse over some data that may be of small or large quantity to find the needed information. A subquery is a part of a larger query. A subquery is also called a NESTED QUERY OR An INNER QUERY.

Introduction, Clauses in SQL are similar to conditionals in high-level languages. some examples of SQL clauses like the Where clause, Union Clause, Order By clause, etc.

Introduction, Need, The SQL Joins clause is used to combine records from two or more tables in a database. The fields from two tables by using values common to each combined using a JOIN.

Introduction, Views in SQL are a kind of virtual table. A view is like a real table in the database with rows and columns. A view can be created by selecting fields from one or more tables present in the database.

Introduction, An index is a schema object. The schema object is used by the server to speed up the data retrieval of rows by using a pointer. It can reduce disk input/output by using a fast path access method to find data quickly.

Introduction, Transactions are units or sequences of work accomplished in a logical order, whether in a manual fashion by a user or automatically by some sort of database program.

Introduction and meaning of SQL injection, SQL injection, also known as SQLI. This information may include any number of items, including sensitive company data, attendance, user lists, or private customer details. example.