
SQL Data Types for MySQL, SQL Server, and MS Access - W3Schools
An SQL developer must decide what type of data that will be stored inside each column when creating a table. The data type is a guideline for SQL to understand what type of data is expected inside of …
SQL Tutorial - W3Schools
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, …
MySQL Data Types - W3Schools
An SQL developer must decide what type of data that will be stored inside each column when creating a table. The data type is a guideline for SQL to understand what type of data is expected inside of …
Date Functions in SQL Server and MySQL - W3Schools
The most difficult part when working with dates is to be sure that the format of the date you are trying to insert, matches the format of the date column in the database.
SQL Introduction - W3Schools
RDBMS is the basis for SQL, and for all modern database systems such as MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access. The data in RDBMS is stored in database objects called tables.
SQL Joins - W3Schools
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
SQL Server CONVERT () Function - W3Schools
Definition and Usage The CONVERT () function converts a value (of any type) into a specified datatype. Tip: Also look at the CAST () function. Syntax CONVERT (data_type (length), expression, style)
SQL Server Functions - W3Schools
SQL Server has many built-in functions. This reference contains string, numeric, date, conversion, and some advanced functions in SQL Server.
MySQL RDBMS - Relational Database Management System
RDBMS is the basis for all modern database systems such as MySQL, Microsoft SQL Server, Oracle, and Microsoft Access. RDBMS uses SQL queries to access the data in the database.
SQL Server CAST () Function - W3Schools
Aug 25, 2017 · Definition and Usage The CAST () function converts a value (of any type) into a specified datatype. Tip: Also look at the CONVERT () function. Syntax CAST (expression AS datatype (length))