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Persistent statistics and partitions

Today when I was studying for the MySQL 5.6 exams. I was studying for these two items: Create and utilize table partitioning Obtain MySQL metadata from INFORMATION_SCHEMA tables The first step is to create a table, partition it with a hash. mysql> CREATE TABLE pfoo (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255)) -> PARTITION BY HASH(id) PARTITIONS 4; Query OK, 0 rows affected (0.04 sec) mysql> INSERT INTO pfoo(name) VALUES('test01'),('test02'),('test03'),('test04'), -> ('test05'),('test06'),('test07'),('test08'),('test09'),('test10'),('test11'); Query OK, 11 rows affected (0.00 sec) Records: 11 Duplicates: 0 Warnings: 0 mysql> SELECT * FROM pfoo; +----+--------+ | id | name | +----+--------+ | 4 | test04 | | 8 | test08 | | 1 | test01 | | 5 | test05 | | 9 | test09 | | 2 | test02 | | 6 | test06 | | 10 | test10 | | 3 | test03 | | 7 | test07 | | 11...