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DROP TABLE IF EXISTS t9;
CREATE TABLE t9(c1 CHAR(20) NOT NULL PRIMARY KEY);
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` char(20) NOT NULL,
PRIMARY KEY (`c1`)
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
ALTER TABLE t9 DROP PRIMARY KEY;
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` char(20) NOT NULL
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
DROP TABLE t9;
SHOW TABLES;
Tables_in_test
CREATE TABLE t9(c1 VARCHAR(20) NOT NULL PRIMARY KEY);
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` varchar(20) NOT NULL,
PRIMARY KEY (`c1`)
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
ALTER TABLE t9 DROP PRIMARY KEY;
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` varchar(20) NOT NULL
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
DROP TABLE t9;
SHOW TABLES;
Tables_in_test
CREATE TABLE t9(c1 BINARY(20) NOT NULL PRIMARY KEY);
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` binary(20) NOT NULL,
PRIMARY KEY (`c1`)
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
ALTER TABLE t9 DROP PRIMARY KEY;
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` binary(20) NOT NULL
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
DROP TABLE t9;
SHOW TABLES;
Tables_in_test
CREATE TABLE t9(c1 VARBINARY(20) NOT NULL PRIMARY KEY);
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` varbinary(20) NOT NULL,
PRIMARY KEY (`c1`)
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
ALTER TABLE t9 DROP PRIMARY KEY;
SHOW TABLES;
Tables_in_test
t9
SHOW CREATE TABLE t9;
Table Create Table
t9 CREATE TABLE `t9` (
`c1` varbinary(20) NOT NULL
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
DROP TABLE t9;
SHOW TABLES;
Tables_in_test
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