Statements

The primary structure of a SQL query is its statement.

The primary structure of a SQL query is its statement. Whether a statement stands on its own, or is part of a multi-statement query, each statement must end with a semicolon. The following example contains four common SQL statements—CREATE TABLE, INSERT, SELECT, and COMMIT:

=> CREATE TABLE comments (id INT, comment VARCHAR);
CREATE TABLE
=> INSERT INTO comments VALUES (1, 'Hello World');
OUTPUT
--------
1
(1 row)

=> SELECT * FROM comments;
 id |   comment
----+-------------
  1 | Hello World
(1 row)

=> COMMIT;
COMMIT
=>

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