语法
CREATE {TABLE | CLASS} <new_table_name> LIKE <old_table_name>
如下
CREATE TABLE a_tbl(
id INT NOT NULL DEFAULT 0 PRIMARY KEY,
phone VARCHAR(10));
INSERT INTO a_tbl VALUES(1,'111-1111'), (2,'222-2222'), (3, '333-3333');
--creating an empty table with the same schema as a_tbl
CREATE TABLE new_tbl LIKE a_tbl;
SELECT * FROM new_tbl;
There are no results.
;schema a_tbl
=== <Help: Schema of a Class> ===
<Class Name>
a_tbl
<Attributes>
id INTEGER DEFAULT 0 NOT NULL
phone CHARACTER VARYING(10)
<Constraints>
PRIMARY KEY pk_a_tbl_id ON a_tbl (id)
Current transaction has been committed.
;schema new_tbl
=== <Help: Schema of a Class> ===
<Class Name>
new_tbl
<Attributes>
id INTEGER DEFAULT 0 NOT NULL
phone CHARACTER VARYING(10)
<Constraints>
PRIMARY KEY pk_new_tbl_id ON new_tbl (id)
Current transaction has been committed.