Difference between revisions of "SYSTYPEINFO"
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[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:System Tables]] | [[Category:System Tables]] |
Revision as of 01:28, 9 December 2012
Contents
Purpose
Description of all data types supported by the database
See Also
DATA TYPES, SELECT, SYSTEM TABLES
Description
System Tables are system defined read-only tables. You can query these tables using the SELECT statement.
Column | Data Type | Width | Description |
---|---|---|---|
TYPE_NAME | C | 30 | Type name |
DATA_TYPE | N | 3 | SQL data type |
PRECISION | N | 3 | Maximum precision |
LITERAL_PREFIX | C | 1 | Prefix used to quote a literal |
LITERAL_SUFFIX | C | 1 | Suffix used to quote a literal |
CREATE_PARAMS | C | 30 | Parameters used in creating the type |
NULLABLE | N | 1 | Can you use NULL for this type? |
CASE_SENSITIVE | L | 1 | Is it case sensitive? |
SEARCHABLE | N | 1 | Can you use "WHERE" based on this type? |
UNSIGNED_ATTRIBUTE | L | 1 | Is it unsigned? |
FIXED_PREC_SCALE | L | 1 | Can it be a money value? |
AUTO_INCREMENT | L | 1 | Can it be used for an auto-increment value? |
LOCAL_TYPE | C | 30 | Localized version of type name |
MINIMUM_SCALE | N | 2 | Minimum scale supported |
MAXIMUM_SCALE | N | 2 | Maximum scale supported |
SQL_DATA_TYPE | N | 1 | Reserved |
SQL_DATETIME_SUB | N | 1 | Reserved |
NUM_PREC_RADIX | N | 2 | Usually 2 or 10 |
Example
SELECT * FROM systypeinfo
Products
Lianja, Lianja Server