[schema .] table 
( [schema .] [table] column [ ASC | DESC ] 
  [, [schema .] [table] column [ ASC | DESC ]]...
)
FROM [schema .] table [, [schema .] table]... WHERE condition
[local_index_clause] index_attributes

For information on the symbols and conventions of Backus-Naur Form (BNF) syntax, see Appendix A.