SET GLOBAL innodb_file_per_table = 1;
SELECT @@innodb_file_per_table;
@@innodb_file_per_table
1
CREATE DATABASE testdb_wl6445;
case # 1
USE testdb_wl6445;
CREATE TABLE t1 ( i int PRIMARY KEY , j blob) ENGINE = InnoDB;
INSERT INTO t1 VALUES (1,repeat('a',200)),(2,repeat('b',200)),(3,repeat('c',200));
SELECT i,LEFT(j,20) FROM t1 ORDER BY i;
i	LEFT(j,20)
1	aaaaaaaaaaaaaaaaaaaa
2	bbbbbbbbbbbbbbbbbbbb
3	cccccccccccccccccccc
CREATE USER 'test1'@'localhost' IDENTIFIED BY '123';
GRANT ALL ON testdb_wl6445.* TO 'test1'@'localhost';
CREATE USER 'test2'@'localhost' IDENTIFIED BY '123';
GRANT ALL ON *.* TO 'test2'@'localhost';
CREATE TABLE otherlocation (id int PRIMARY KEY)
ENGINE=InnoDB , DATA DIRECTORY='MYSQL_TMP_DIR/alt_dir';
INSERT INTO otherlocation VALUES (1),(2),(3);
SELECT * FROM otherlocation ORDER BY id;
id
1
2
3