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What is the difference between the numeric data types INT Smallint and Tinyint?
Both TINYINT and SMALLINT are exact numeric data types, used for storing integer value….Difference between TINYINT and SMALLINT data type in Sql Server.
| TINYINT | SMALLINT | |
|---|---|---|
| Storage Size | 1 Byte | 2 Bytes |
| Minimum Value | 0 | -32,768 (-2^15) |
| Maximum Value | 255 | 32,767 (2^15-1) |
What is a big int?
A big integer is a binary integer that has a precision of 63 bits. The BIGINT data type can represent 63-bit integers and is compatible with all numeric data types. The BIGINT function returns a big integer representation of a number or a string representation of a number.
When to use TINYINT over INT in SQL Server?
If you include 2 or 3, you have to use tinyint (at the very smallest scale). – Richard Aug 24 ’11 at 11:45 “For example, it’s better to use tinyint when you know that the only data you will store is a 1, 0 or null (with a very small chance of expanding that to a 2 or 3 later).”
When to use int, smallint, and bigint?
bigint fits between smallmoney and int in the data type precedence chart. Functions return bigint only if the parameter expression is a bigint data type. SQL Server does not automatically promote other integer data types ( tinyint, smallint, and int) to bigint. When you use the +, -, *, /, or % arithmetic operators to perform implicit
Can you convert a smallint to an int in SQL Server?
SQL Server does not automatically promote other integer data types ( tinyint, smallint, and int) to bigint. When you use the +, -, *, /, or % arithmetic operators to perform implicit or explicit conversion of int, smallint, tinyint, or bigint constant values to the float, real, decimal or numeric data types, the rules that SQL Server applies
Can you change the type of int to TINYINT unsigned?
As it is currently set up as INT my idea was to change type to TINYINT unsigned. Can I just do that without losing data? What would be the most efficient way to go about it?