In SQL Server, each column, local variable, expression, and parameter has a related data type. A data type is an attribute that specifies the type of data that the object can hold: integer data, character data, monetary data, date and time data, binary strings, and so on.
The int data type is the primary integer data type in SQL Server. The bigint data type is …
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.
This chapter describes all of the SQL data types that PointBase supports. Data types define what type of data a column can contain. The following sections describe each PointBase data type in detail and discuss converting data types. Tables are provided at the end of the chapter to show the mappings
SQL Data Types : A data type defines the kind of value a field (of a table) can contain. Here we have given a list of SQL 2003 standard data types with a short description and discussed data types of various databases.
23 rows · SQL General Data Types. Each column in a database table is required to have a name …
|CHARACTER(n)||Character string. Fixed-length n|
|VARCHAR(n) or CHARACTER VARYING(n)||Character string. Variable length. Maximum length n|
|BINARY(n)||Binary string. Fixed-length n|
|BOOLEAN||Stores TRUE or FALSE values|
SQL Server: Data Types The following is a list of datatypes available in SQL Server (Transact-SQL), which includes string, numeric, and date/time datatypes.
MySQL supports a number of SQL data types in several categories: numeric types, date and time types, string (character and byte) types, spatial types, and the JSON data type. This chapter provides an overview of these data types, a more detailed description of the properties of the types in each category, and a summary of the data type storage requirements.
22 rows · This can affect the extent of compactness in a database, because SQL Server Compact …
|bigint||Integer (whole number) data from –2^63 (–9,223,372,036,854,775,808) through 2^63–1 (…|
|integer||Integer (whole number) data from –2^31 (–2,147,483,648) through 2^31–1 (2,147,483,64…|
|smallint||Integer data from –32,768 to 32,767. Storage size is 2 bytes.|
|tinyint||Integer data from 0 to 255. Storage size is 1 byte.|
Let’s start our consideration of SQL numerical types with the exact or numeric data types. The Numeric Data Types. SQL’s exact numeric data types consist of NUMERIC(p,s) and DECIMAL(p,s) subtypes. They are exact, and we define them by precision (p) and scale (s).
SQL Data Type is an attribute that specifies the type of data of any object. Each column, variable and expression has a related data type in SQL. You can use these data types while creating your tables. You can choose a data type for a table column based on your requirement.
SQL Data Types Welcome to the Advanced SQL Tutorial! If you skipped the beginning tutorials , you should take a quick peek at this page to get an idea of how to get the most out of this tutorial.
SQL Data Types. They may sound like menu items at a malt shop, but real, float, and double are data types supported by SQL and other programming languages.
The XML data type is introduced, as well as several routines, functions, and XML-to-SQL data type mappings to support manipulation and storage of XML in an SQL database. This part of the standard consists solely of optional features.