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Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now » Examples in Each Chapter
Create a table with a Primary Key. To create a table with a primary key, we can write the following command. In MySQL. CREATE TABLE Companies ( id int, name varchar (50), address text, email varchar (50), phone varchar (10), PRIMARY KEY (id) ); In Oracle and SQL Server.
17 Φεβ 2021 · What can you do with SQL? Here's a reference guide to the most commonly-used SQL commands, with code examples you can copy-paste.
SQL (Structured Query Language) is a standard database programming language used for accessing and manipulating data in a database. This SQL tutorial series will help you learn SQL from the basics.
17 Αυγ 2023 · We’ll soon show you 20 basic SQL query examples to start talking with the database. All these queries are taught in our SQL Basics course; this course will give you even more structure, examples, and challenges to solve.
29 Αυγ 2024 · Unlock the power of SQL commands: DDL, DML, DCL, TCL, DQL with syntax. Explore this comprehensive guide to become proficient in SQL commands.
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