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1, ²é¿´MySQL
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mysql> show variables;
mysql> show variables;
2, ²é¿´MySQL·þÎñÆ÷ÔËÐеĸ÷ÖÖ״ֵ̬
mysql> show global status;
mysql> show global status;
3, Âý²éѯ
mysql> show variables like '%slow%';
+------------------+-------+
| Variable_name | Value |
+------------------+-------+
| log_slow_queries | OFF |
| slow_launch_time | 2 |
+------------------+-------+
mysql> show global status like '%slow%';
+---------------------+-------+
| Variable_name | Value |
+---------------------+-------+
| Slow_launch_threads | 0 |
| Slow_queries | 279 |
+---------------------+-------+
mysql> show variables like '%slow%';
+------------------+-------+
| Variable_name | Value |
+------------------+-------+
| log_slow_queries | OFF |
| slow_launch_time | 2 |
+------------------+-------+
mysql> show global status like '%slow%';
+---------------------+-------+
| Variable_name | Value |
+---------------------+-------+
| Slow_launch_threads | 0 |
| Slow_queries | 279 |
+---------------------+-------+
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mysql> show variables like 'max_connections';
+-----------------+-------+
| Variable_name | Value |
+-----------------+-------+
| max_connections | 500 |
+-----------------+-------+
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