Difference between revisions of "SYSBESTROWIDENTIFIER"
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==Purpose== | ==Purpose== | ||
Description of a table’s optimal set of columns that uniquely identifies a row | Description of a table’s optimal set of columns that uniquely identifies a row | ||
| Line 11: | Line 4: | ||
==See Also== | ==See Also== | ||
| − | [[SQL Data Types|DATA TYPES]], [[SQL SELECT|SELECT]], [[SYSTEM TABLES]] | + | [[SQL Data Types|DATA TYPES]], [[SQL SELECT|SELECT]], [[SQL System Tables|SYSTEM TABLES]] |
| Line 42: | Line 35: | ||
==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
| − | + | SELECT column_name FROM sysbestrowidentifier | |
| − | SELECT column_name | + | |
| − | FROM sysbestrowidentifier | + | |
</code> | </code> | ||
==Products== | ==Products== | ||
| − | Recital | + | Recital, Recital Server |
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:SQL]] | [[Category:SQL]] | ||
[[Category:System Tables]] | [[Category:System Tables]] | ||
Latest revision as of 16:13, 22 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
SELECT column_name FROM sysbestrowidentifier
Products
Recital, Recital Server
