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order-by-clause is:
[ORDER BY {colname | colnum} [ASC[ENDING] | DESC[ENDING]]
[,{colname | colnum} [ASC[ENDING] | DESC[ENDING]]]...]
[access-clause]
[mode-clause]
access clause is:
[FOR] access-option ACCESS
access-option is:
READ UNCOMMITTED
| READ COMMITTED
| SERIALIZABLE
| REPEATABLE READ
| SKIP CONFLICT
mode-clause is:
IN {SHARE | EXCLUSIVE} MODE
select-list is:
* | select-sublist [,select-sublist]...
select-sublist is:
corr.* | [corr.]single-col [[AS]name]
table-ref is:
table [[AS] corr [(col-expr-list)]]
| STREAM (table) [[AS] corr [(col-expr-list)]]
[AFTER LAST ROW]
| STREAM (view) [[AS]] corr [(col-expr-list)]] [AFTER LAST ROW]
| (query-expr) [AS] corr [(col-expr-list)]
| (delete-statement [RETURN select-list])
[AS] corr [(col-expr-list)]
| (update-statement [RETURN select-list])
[AS] corr [(col-expr-list)]
| (insert-statement) [AS] corr [(col-expr-list)]
| joined-table
joined-table is:
table-ref [join-type] JOIN table-ref join-spec
| table-ref NATURAL [join-type] JOIN table-ref
| table-ref CROSS JOIN table-ref
| (joined-table)
join-type is:
INNER | LEFT [OUTER] | RIGHT [OUTER] | FULL [OUTER]
join-spec is:
ON search-condition
sampling-method is:
RANDOM percent-size
| FIRST rows-size
[SORT BY colname [ASC[ENDING] | DESC[ENDING]]
[,colname [ASC[ENDING] | DESC[ENDING]]...]
| PERIODIC rows-size EVERY number-rows ROWS
[SORT BY colname [ASC[ENDING] | DESC[ENDING]]
[,colname [ASC[ENDING] | DESC[ENDING]]...]
SELECT Statement
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