SQL Language Guide : 3. Data Types : Data Types : Integer Data Types
 
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Integer Data Types
Exact numeric data types include the following integer data types:
• tinyint (one-byte)
• smallint (two-byte)
• integer (four-byte)
• bigint (eight-byte)
The following table lists the ranges of values for each integer data type:
Integer Data Type
Lowest Possible Value
Highest Possible Value
tinyint (integer1)
-128
+127
smallint (integer2)
-32,768
+32,767
integer (integer4)
-2,147,483,648
+2,147,483,647
bigint (integer8)
-9,223,372,036,854,775,808
+9,223,372,036,854,775,807