getSchemas(String catalog, String schemaPattern)
Syntax:
ResultSet getSchemas(String catalog,
                     String schemaPattern)
                     throws SQLException
                                        Description:
Retrieves the schema names available in this database. The results are ordered by TABLE_CATALOG and TABLE_SCHEM.
The schema columns are:
| TABLE_SCHEM | String | schema name | 
| TABLE_CATALOG | String | catalog name (may be null) | 
Parameters:
catalog - a catalog name; must match the catalog name as it is stored in the database;"" retrieves those without a catalog; null means catalog name should not be used to narrow down the search.
schemaPattern - a schema name; must match the schema name as it is stored in the database; null means schema name should not be used to narrow down the search.
Returns:
a ResultSet object in which each row is a schema description
Throws:
SQLException - if a database access error occurs