DROP TABLE IF EXISTS t1; CREATE TABLE t1(c1 CHAR(10) NULL, c2 CHAR(10) NULL, c3 CHAR(10) NULL, UNIQUE(c1,c2,c3)); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','def','def'); SELECT * FROM t1; c1 c2 c3 abc abc abc abc abc def abc def abc abc def def def abc abc def abc def def def abc DROP TABLE t1; CREATE TABLE t1(c1 VARCHAR(10) NULL, c2 VARCHAR(10) NULL, c3 VARCHAR(10) NULL, UNIQUE(c1,c2,c3)); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','def','def'); SELECT * FROM t1; c1 c2 c3 abc abc abc abc abc def abc def abc abc def def def abc abc def abc def def def abc DROP TABLE t1; CREATE TABLE t1(c1 BINARY(10) NULL, c2 BINARY(10) NULL, c3 BINARY(10) NULL, UNIQUE(c1,c2,c3)); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','def','def'); SELECT * FROM t1; c1 c2 c3 abc DROP TABLE t1; CREATE TABLE t1(c1 VARBINARY(10) NULL, c2 VARBINARY(10) NULL, c3 VARBINARY(10) NULL, UNIQUE(c1,c2,c3)); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc'); INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def'); INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','abc'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','abc','def'); INSERT IGNORE INTO t1 (c1,c2,c3) VALUES('abc','def','def'); SELECT * FROM t1; c1 c2 c3 abc abc abc abc abc def abc def abc abc def def def abc abc def abc def def def abc DROP TABLE t1;