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# SQL Statements

The following SQL statements define the base ODBC SQL grammar.

Statement | Min | Core | Ext
alter-table-statement ::= ALTER TABLE base-table-name {ADD column-identifier data-type |ADD (column-identifier data-type [, column-identifier data-type]... ) } |  | X |
create-index-statement ::= CREATE [UNIQUE] INDEX index-name ON base-table-name ( column-identifier [ASC | DESC] [, column-identifier [ASC | DESC] ]... ) |  | X |
create-table-statement ::= CREATE TABLE base-table-name-1 (column-element [, column-element] ...) column-element ::= column-definition | table-constraint-definition column-definition ::= column-identifier data-type DEFAULT default-value [column-constraint-definition [,column-constraint-definition]...] column-constraint-definition ::= NOT NULL | UNIQUE | PRIMARY KEY ) | REFERENCES base-table-name-2 referenced-columns | CHECK (search-condition) default-value ::= literal | NULL | USER table-constraint-definition ::= UNIQUE (column-identifier [, column-identifier] ...) | PRIMARY KEY (column-identifier [, column-identifier] ...) | CHECK (search-condition) | FOREIGN KEY referencing-columns REFERENCES base-table-name-2 referenced-columns | X |  |
create-view-statement ::= CREATE VIEW viewed-table-name [( column-identifier [, column-identifier]... )] AS query-specification |  | X |
delete-statement-positioned ::= DELETE FROM table-name WHERE CURRENT OF cursor-name |  | X X | (v2)X
delete-statement-searched ::= DELETE FROM table-name [WHERE search-condition] | X |  |
drop-index-statement ::= DROP INDEX index-name |  | X |
drop-table-statement ::= DROP TABLE base-table-name [ CASCADE | RESTRICT ] | X |  |
drop-view-statement ::= DROP VIEW viewed-table-name [ CASCADE | RESTRICT ] |  | X |
grant-statement ::= GRANT {ALL | grant-privilege [, grant-privilege]... } ON table-name TO {PUBLIC | user-name [, user-name]... } grant-privilege ::= DELETE | INSERT | SELECT | UPDATE [( column-identifier [, column-identifier]... )] | REFERENCES [( column-identifier [, column-identifier]... )] |  | X |
insert-statement ::= INSERT INTO table-name [( column-identifier [, column-identifier]...)] VALUES (insert-value[,insert-value]... ) | X |  |
insert-statement ::= INSERT INTO table-name [( column-identifier [, column-identifier]... )] { query-specification | VALUES (insert-value [, insert-value]...} |  | X |
ODBC-procedure-extension ::= ODBC-std-esc-initiator [?=]call procedure ODBC-std-esc-terminator | ODBC-ext-esc-initiator [?=]call procedure ODBC-ext-esc-terminator |  |  | X
revoke-statement ::= REVOKE {ALL | revoke-privilege [, revoke-privilege]... } ON table-name FROM {PUBLIC | user-name [, user-name]... } [ CASCADE | RESTRICT ] revoke-privilege ::= DELETE | INSERT | SELECT | UPDATE | REFERENCES |  | X |
select-statement ::= SELECT [ALL | DISTINCT] select-list FROM table-reference-list[ [WHERE search-condition] [order-by-clause] | X |  |
select-statement ::= SELECT [ALL | DISTINCT] select-list FROM table-reference-list [WHERE search-condition] [GROUP BY column-name [, column-name]... ] [HAVING search-condition] [UNION select-statement]... [order-by-clause] |  | X |
select-for-update-statement ::= SELECT [ALL | DISTINCT] select-list FROM table-reference-list [WHERE search-condition] FOR UPDATE OF [column-name [, column-name]...] |  | X (v1) | X (v2)
statement ::= create-table-statement | delete-statement-searched | drop-table-statement | insert-statement | select-statement | update-statement-searched | X |  |
statement ::= alter-table-statement | create-index-statement | create-table-statement | create-view-statement | delete-statement-positioned | delete-statement-searched | drop-index-statement | drop-table-statement | drop-view-statement | grant-statement | insert-statement | revoke-statement | select-statement | select-for-update-statement | update-statement-positioned | update-statement-searched |  | X |
statement ::= alter-table-statement | create-index-statement | create-table-statement | create-view-statement | delete-statement-positioned | delete-statement-searched | drop-index-statement | drop-table-statement | drop-view-statement | grant-statement | insert-statement | ODBC-procedure-extension | revoke-statement | select-statement | select-for-update-statement | statement-list | update-statement-positioned | update-statement-searched |  |  | X
statement-list ::= statement | statement;statement-list |  |  | X
update-statement-positioned ::= UPDATE table-name SET column-identifier = {expression | NULL} [, column-identifier = {expression | NULL}]... WHERE CURRENT OF cursor-name |  | X (v1) | X (v2)
update-statement-searched UPDATE table-name SET column-identifier = {expression | NULL } [, column-identifier = {expression | NULL}]... [WHERE search-condition] | X |  |

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