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  2. SQL Tutorial - W3Schools

    www.w3schools.com/sql

    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.

  3. Introduction to SQL - W3Schools

    www.w3schools.com/sql/sql_intro.asp

    What is SQL? SQL stands for Structured Query Language; SQL lets you access and manipulate databases; SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for Standardization (ISO) in 1987

  4. MySQL SQL - W3Schools

    www.w3schools.com/mysql/mysql_sql.asp

    What is SQL? SQL is the standard language for dealing with Relational Databases. SQL is used to insert, search, update, and delete database records.

  5. SQL Tryit Editor v1.6 - W3Schools

    www.w3schools.com/sql/trysql.asp?filename=trysql_select_all

    W3Schools has created an SQL database in your browser. The menu to the right displays the database, and will reflect any changes. Feel free to experiment with any SQL statement. You can restore the database at any time. The Try-SQL Editor. at w3schools.com.

  6. SQL INSERT INTO Statement - W3Schools

    www.w3schools.com/sql/sql_insert.asp

    The SQL INSERT INTO Statement. The INSERT INTO statement is used to insert new records in a table. INSERT INTO Syntax. It is possible to write the INSERT INTO statement in two ways: 1. Specify both the column names and the values to be inserted:

  7. What is SQL? - W3Schools

    www.w3schools.com/whatis/whatis_sql.asp

    SQL stands for Structured Query Language. SQL is a standard language for accessing databases. SQL has been an international standard (ISO) since 1987

  8. SQL Quick Reference - W3Schools

    www.w3schools.com/sql/sql_quickref.asp

    SQL Statement Syntax; AND / OR: SELECT column_name(s) FROM table_name WHERE condition AND|OR condition: ALTER TABLE: ALTER TABLE table_name ADD column_name datatype. or. ALTER TABLE table_name DROP COLUMN column_name: AS (alias) SELECT column_name AS column_alias FROM table_name. or. SELECT column_name FROM table_name AS table_alias: BETWEEN ...

  9. The data type is a guideline for SQL to understand what type of data is expected inside of each column, and it also identifies how SQL will interact with the stored data. Note: Data types might have different names in different database.

  10. SQL Server Functions - W3Schools

    www.w3schools.com/sqL/sql_ref_sqlserver.asp

    SQL Server has many built-in functions. This reference contains string, numeric, date, conversion, and some advanced functions in SQL Server.

  11. SQL Online Editor (Compiler) - W3Schools

    www.w3schools.com/sql/sql_editor.asp

    SQL Editor. With our online SQL editor, you can edit SQL statements, and view the result in your browser.