| Syntax |
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| Documentation | Retrieves a description of a table's optimal set of columns that uniquely identifies a row. They are ordered by SCOPE. Each column description has the following columns: SCOPE short => actual scope of result bestRowTemporary - very temporary, while using row bestRowTransaction - valid for remainder of current transaction bestRowSession - valid for remainder of current session COLUMN_NAME String => column name DATA_TYPE short => SQL data type from java.sql.Types TYPE_NAME String => Data source dependent type name, for a UDT the type name is fully qualified COLUMN_SIZE int => precision BUFFER_LENGTH int => not used DECIMAL_DIGITS short => scale PSEUDO_COLUMN short => is this a pseudo column like an Oracle ROWID bestRowUnknown - may or may not be pseudo column bestRowNotPseudo - is NOT a pseudo column bestRowPseudo - is a pseudo column:
schema - a schema name; must match the schema name as it is stored in the database; "" retrieves those without a schema; null means that the schema name should not be used to narrow the search table - a table name; must match the table name as it is stored in the database scope - the scope of interest; use same values as SCOPE nullable - include columns that are nullable.
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| Examples | |
| Group | SQL |
| Minimum required transaction-mode: | NONE |
| Required scripting permission of the developer | PERMISSION_FL_BASIC |
| Minimum parameters | 6 |
| Maximum parameters | 6 |