Description
resource 
odbc_columns ( resource connection_id [, string qualifier [, string schema [, string table_name [, string column_name]]]] )
     Lists all columns in the requested range.  Returns an ODBC result
     identifier containing the information or FALSE on failure.
    
     The result set has the following columns:
     
TABLE_QUALIFIER
TABLE_SCHEM
TABLE_NAME
COLUMN_NAME
DATA_TYPE
TYPE_NAME
PRECISION
LENGTH
SCALE
RADIX
NULLABLE
REMARKS
    
     The result set is ordered by TABLE_QUALIFIER, TABLE_SCHEM and
     TABLE_NAME.
    
     The schema,
     table_name and
     column_name arguments accept search
     patterns ('%' to match zero or more characters and '_' to match a
     single character).
    
     See also odbc_columnprivileges() to retrieve
     associated privileges.