Int, bigint, smallint, and tinyint

Source: Internet
Author: User
Int, bigint, smallint, and tinyint

Use the exact numeric data type of integer data.

Bigint

Integer Data from-2 ^ 63 (-9223372036854775808) to 2 ^ 63-1 (9223372036854775807) (All numbers ). The storage size is 8 bytes.

Int

Integer Data from-2 ^ 31 (-2,147,483,648) to 2 ^ 31-1 (2,147,483,647) (All numbers ). The storage size is 4 bytes.IntThe SQL-92Integer.

Smallint

Integer Data from-2 ^ 15 (-32,768) to 2 ^ 15-1 (32,767. The storage size is 2 bytes.

Tinyint

Integer Data from 0 to 255. The storage size is 1 byte.

Note

Supported by integerBigintData type. However,BigintUsed in some special cases, when the integer value exceedsIntYou can useBigint. In SQL Server,IntThe data type is the main integer data type.

In the data type priority table,BigintLocated inSmallmoneyAndInt.

Only when the parameter expression isBigintThe function returns the data type.Bigint. SQL Server does not automatically convert other integer data types (Tinyint,SmallintAndInt)Bigint.

 

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.