如何查看所有MySQL数据库的大小？
我们可以借助以下语句检查所有MySQL数据库的大小
mysql> SELECT table_schema "Database",
-> SUM(data_length + index_length)/1024/1024 "Size in MB"
-> FROM information_schema.TABLES GROUP BY table_schema;
+--------------------+----------------+
| Database | Size in MB |
+--------------------+----------------+
| gaurav | 1.04785156 |
| information_schema | 0.00878906 |
| mysql | 0.68551350 |
| performance_schema | 0.00000000 |
| sample | 0.04687500 |
| tutorial | 0.03125000 |
+--------------------+----------------+
6 rows in set, 1 warning (0.33 sec)
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