RDBMS datatypes comparison
SQL Datatypes in Different RDBMS : Comparison Chart
The following table contains a subset of the more commonly used ANSI SQL data types and the name of the same data type in other RDBMSs such as SQL Server, IBM DB2, and so on
| ANSI SQL | MS Access | SQL Server 2000 | IBM DB2 | MySQL | Oracle 10 |
|---|---|---|---|---|---|
| Character | char | char | char | char | char |
| Character Varying | varchar | varchar | varchar | varchar | varchar |
| National character | varchar | varchar | varchar | varchar | varchar |
| National character Varying | varchar | nvarchar | vargraphic | varchar | nvarchar |
| Integer | number (long integer) | int | int | int | int |
| SmallInt | number (Integer) | smallint | smallint | smallint | smallint |
| Real | number (Double) | real | real | real | real |
| Decimal | number (Decimal) | decimal | decimal | decimal | decimal |
| Date | Date | datetime | date | date | date |
| Time | Time | datetime | time | time | time |
*This list does not contain all data types