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Developer-C 11.1
3.0
4.0
10.2
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10.9
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11g Release 2
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17
2012
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CREATE TABLE A ( id bigint NOT NULL AUTO_INCREMENT PRIMARY KEY ); CREATE TABLE B ( what tinyint NOT NULL, a bigint NOT NULL, CONSTRAINT x FOREIGN KEY (a) REFERENCES A(id), CONSTRAINT y CHECK (what > 0) ); -- Uncommenting the next line "fixes" an error -- INSERT INTO И VALUES (1,1); SELECT b.a FROM B b;
ALTER TABLE B DROP CONSTRAINT x;
Unknown column '`db_1711626095`.`b`.`what`' in 'CHECK'