Difference between revisions of "SYSBESTROWIDENTIFIER"
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[[Category:System Tables]] | [[Category:System Tables]] | ||
Revision as of 16:34, 9 December 2009
Contents
Purpose
Description of a table’s optimal set of columns that uniquely identifies a row
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 |
|---|---|---|---|
| SCOPE | N | 1 | Actual scope of result |
| COLUMN_NAME | C | 30 | Column name |
| DATA_TYPE | N | 2 | SQL data type |
| TYPE_NAME | C | 30 | Data source dependent type name |
| COLUMN_SIZE | N | 3 | Precision |
| BUFFER_LENGTH | N | 1 | Reserved |
| DECIMAL_DIGITS | N | 2 | Scale |
| PSEUDO_COLUMN | N | 1 | Is this a pseudo column? |
Example
EXEC SQL SELECT column_name FROM sysbestrowidentifier;
Products
Recital, Recital Server
