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1. www.w3schools.com › sqlSQL Tutorial - W3Schools

   www.w3schools.com › sql

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   SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems.

2. learn.microsoft.com › en-us › sqlCreate a database - SQL Server | Microsoft Learn

   learn.microsoft.com › en-us › sql

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   22 lip 2024 · This article describes how to create a database in SQL Server by using SQL Server Management Studio or Transact-SQL. To create a database in Azure SQL Database using T-SQL, see CREATE DATABASE.

3. pl.wikipedia.org › wiki › SQLSQL – Wikipedia, wolna encyklopedia

   pl.wikipedia.org › wiki › SQL

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   SQL (ang. Structured Query Language, wym. [ɛ s k j u ː ˈ ɛ l]) – strukturalny oraz deklaratywny język zapytań. Jest to język dziedzinowy używany do tworzenia, modyfikowania relacyjnych baz danych oraz do umieszczania i pobierania danych z tych baz.

4. en.wikipedia.org › wiki › SQLSQL - Wikipedia

   en.wikipedia.org › wiki › SQL

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   Structured Query Language (SQL) (pronounced S-Q-L; or alternatively as "sequel") [4][5] is a domain-specific language used to manage data, especially in a relational database management system (RDBMS). It is particularly useful in handling structured data, i.e., data incorporating relations among entities and variables.

5. learnsql.com › blog › sql-databaseWhat Is an SQL Database? - LearnSQL.com

   learnsql.com › blog › sql-database

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   17 lis 2022 · A database is a structured set of data stored on a computer. Databases should be organized to efficiently store, retrieve, and manage information. They are essential for data analysis and management and are a key part of data-driven decision-making. Learn SQL by writing SQL!

6. www.sqltutorial.orgSQL Tutorial - Essential SQL For The Beginners

   www.sqltutorial.org

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   This SQL tutorial helps you get started with SQL quickly and effectively through many practical examples. If you are a software developer, database administrator, data analyst, or data scientist who wants to use SQL to analyze data, this tutorial is a good start.

7. www.dataquest.io › guide › sql-tutorialSQL Tutorials: A Complete Guide - Dataquest

   www.dataquest.io › guide › sql-tutorial

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   Introduction to SQL and Databases - here's a breakdown of what this SQL tutorial teaches: Lesson 1: Exploring the Database and Schema. Understand the structure of databases, tables, and SQL queries. Learn how to retrieve data using basic SELECT statements. Explore database schemas to understand data organization.