DROP TABLE IF EXISTS t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
1
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
1
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
1
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'a';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'b';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'b';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
1
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'c';
COUNT(c1)
1
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'c';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
0
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t1 VALUES ('a');
SELECT COUNT(c1) FROM t1;
COUNT(c1)
1
SELECT COUNT(c1) FROM t1 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t2 VALUES ('a');
SELECT COUNT(c1) FROM t2;
COUNT(c1)
6
SELECT COUNT(c1) FROM t2 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 CHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 CHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARCHAR(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 BINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 BINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
CREATE TABLE t2(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t2 (c1) VALUES('a'),('aaa'),('b'),('bb'),('bbb'),('c');
CREATE TABLE t3(c1 VARBINARY(10) NOT NULL PRIMARY KEY);
INSERT INTO t3 (c1) VALUES('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
REPLACE t3 VALUES ('a');
SELECT COUNT(c1) FROM t3;
COUNT(c1)
1
SELECT COUNT(c1) FROM t3 WHERE c1 = 'd';
COUNT(c1)
0
DROP TABLE t1,t2,t3;