DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (c1 INTEGER NOT NULL PRIMARY KEY, c2 TEXT);
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `c1` int(11) NOT NULL,
  `c2` text,
  PRIMARY KEY (`c1`)
) ENGINE=ENGINE DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
SHOW TABLES;
Tables_in_test
t1
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
TRUNCATE TABLE t1;
Warnings:
Warning	1062	Duplicate entry '1' for key 'PRIMARY'
Warning	1062	Duplicate entry '1' for key 'PRIMARY'
Warning	1062	Duplicate entry '0' for key 'PRIMARY'
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	def
1	abc
TRUNCATE TABLE t1;
SELECT * FROM t1 ORDER BY c1;
c1	c2
0	opq
1	jkl
DROP TABLE t1;