提示：The'INFORMATION_SCHEMA.SESSION_VARIABLES' feature is disabled; see thedocumentation for 'show_compatibility_56'
以下轉自：http://blog.csdn.net/rudygao/article/details/50403107
--從mysql5.7.6開始information_schema.global_status已經開始被捨棄，爲了兼容性，此時需要打開show_compatibility_56
MySQL> select * from information_schema.global_status limit 3;
ERROR 3167 (HY000): The 'INFORMATION_SCHEMA.GLOBAL_STATUS' feature is disabled; see the documentation for 'show_compatibility_56'
###查看show_compatibility_56其值
mysql> show variables like '%show_compatibility_56%';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| show_compatibility_56 | OFF |
+-----------------------+-------+
1 row in set (0.01 sec)
###把show_compatibility_56打開
mysql> set global show_compatibility_56=on;
Query OK, 0 rows affected (0.00 sec)
mysql> show variables like '%show_compatibility_56%';
+-----------------------+-------+
| Variable_name | Value |
+-----------------------+-------+
| show_compatibility_56 | ON |
+-----------------------+-------+
1 row in set (0.00 sec)
mysql> select * from information_schema.global_status limit 3;
+-----------------------+----------------+
| VARIABLE_NAME | VARIABLE_VALUE |
+-----------------------+----------------+
| ABORTED_CLIENTS | 0 |
| ABORTED_CONNECTS | 0 |
| BINLOG_CACHE_DISK_USE | 0 |
+-----------------------+----------------+
3 rows in set, 1 warning (0.00 sec)