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SQL Syntax Basic Overview

SQL TUTORIALS-

SQL Syntax Basic Overview

Introduction-

SQL Syntax Basic Overview-

-SQL (Structured Query Language) is a standard programming language used to manage and manipulate relational databases... SQL (Structured Query Language) is the standard language used to communicate with relational databases. It allows users to create, read, update, and delete (table) data efficiently. SQL is used by database administrators, developers, data analysts, and others to manage structured data stored in tables. A relational database stores data in rows and columns, and SQL helps in organizing, retrieving, and manipulating that data through commands like SELECT, INSERT, UPDATE, and DELETE...also SQL is its ability to perform complex queries using JOIN, GROUP BY, and subqueries. With SQL, users can filter data, perform calculations, and even create views and stored procedures...

-SQL is used with database systems like.

✅MySQL

✅PostgreSQL

✅Oracle

✅Microsoft SQL Server

✅SQLite

✅ Most Important SQL Commands-

✅ SQL Commands:-

Emoji Examples in HTML

SQL Commands

Command	Description	Example
SELECT	Retrieve data from a table	SELECT * FROM employees;
INSERT	Add new data to a table	INSERT INTO employees VALUES (...);
UPDATE	Modify existing data	UPDATE employees SET salary = 5000;
DELETE	Remove data from a table	DELETE FROM employees WHERE id=1;
CREATE	Create a new table or database	CREATE TABLE employees (...);
DROP	Delete a table or database	DROP TABLE employees;

Examples:- SELECT – Read/Retrieve Data

SELECT column1, column2 FROM table_name WHERE condition;

Examples:- INSERT – Add New Data

INSERT INTO table_name (column1, column2) VALUES (value1, value2);

Examples:- UPDATE – Modify Existing Data

UPDATE table_name SET column1 = value1 WHERE condition;

Examples:- DELETE – Remove Data

DELETE FROM table_name WHERE condition;

Examples:- CREATE TABLE – Create a New Table

CREATE TABLE employees (
  id INT PRIMARY KEY,
  name VARCHAR(50),
  age INT,
  department VARCHAR(50)
);

Basic SQL Example -Display:

-- Create a table 
CREATE TABLE employees (
  id INT,
  name VARCHAR(50),
  salary DECIMAL(10,2)
);

-- Insert data
INSERT INTO employees (id, name, salary) VALUES (1, 'pramod', 4500);

-- Select data
SELECT * FROM employees;

May Be Like Important Link-

-How To Import Data(LSMW) LEGACY SYSTEM MIGRATION WORKBENCH

-Pricing Procedure-VOK0

-Account Determination Without Wizard

-Tolerance Limit Configuration