The following numeric data types are available:
| Standard data type | DBMS-specific physical data type | Content | Length |
|---|
| Integer |
int / INTEGER |
32-bit integer |
— |
| Short Integer |
smallint / SMALLINT |
16-bit integer |
— |
| Long Integer |
int / INTEGER |
32-bit integer |
— |
| Byte |
tinyint / SMALLINT |
256 values |
— |
| Number |
numeric / NUMBER |
Numbers with a fixed decimal point |
Fixed |
| Decimal |
decimal / NUMBER |
Numbers with a fixed decimal point |
Fixed |
| Float |
float / FLOAT |
32-bit floating point numbers |
Fixed |
| Short Float |
real / FLOAT |
Less than 32-bit point decimal number |
— |
| Long Float |
double precision / BINARY DOUBLE |
64-bit floating point numbers |
— |
| Money |
money / NUMBER |
Numbers with a fixed decimal point |
Fixed |
| Serial |
numeric / NUMBER |
Automatically incremented numbers |
Fixed |
| Boolean |
bit / SMALLINT |
Two opposing values (true/false; yes/no; 1/0) |
— |
Character data types
The following character data types are available:
| Standard data type | DBMS-specific physical data type | Content | Length |
|---|
| Characters |
char / CHAR |
Character strings |
Fixed |
| Variable Characters |
varchar / VARCHAR2 |
Character strings |
Maximum |
| Long Characters |
varchar / CLOB |
Character strings |
Maximum |
| Long Var Characters |
text / CLOB |
Character strings |
Maximum |
| Text |
text / CLOB |
Character strings |
Maximum |
| Multibyte |
nchar / NCHAR |
Multibyte character strings |
Fixed |
| Variable Multibyte |
nvarchar / NVARCHAR2 |
Multibyte character strings |
Maximum |
Time data types
The following time data types are available:
| Standard data type | DBMS-specific physical data type | Content | Length |
|---|
| Date |
date / DATE |
Day, month, year |
— |
| Time |
time / DATE |
Hour, minute, and second |
— |
| Date & Time |
datetime / DATE |
Date and time |
— |
| Timestamp |
timestamp / TIMESTAMP |
System date and time |
— |
Other data types
The following other data types are available:
| Standard data type | DBMS-specific physical data type | Content | Length |
|---|
| Binary |
binary / RAW |
Binary strings |
Maximum |
| Long Binary |
image / BLOB |
Binary strings |
Maximum |
| Bitmap |
image / BLOB |
Images in bitmap format (BMP) |
Maximum |
| Image |
image / BLOB |
Images |
Maximum |
| OLE |
image / BLOB |
OLE links |
Maximum |
| Other |
— |
User-defined data type |
— |
| Undefined |
undefined |
Undefined. Replaced by the default data type at generation. |
— |