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MySQLで現在の接続情報をどのように表示しますか?

MySQLのビューのリストを取得するには、SELECTコマンドとLIKE演算子を一緒に使用できます。まずは文法を見てみましょう。

mysql> SELECT TABLE_SCHEMA, TABLE_NAME
   -> FROM information_schema.tables
   -> WHERE TABLE_TYPE LIKE 'VIEW';

以下は、表示されるビューの数を示す出力です。

+--------------+-----------------------------------------------+
| TABLE_SCHEMA | TABLE_NAME |
+--------------+-----------------------------------------------+
| sys | version |
| sys | innodb_buffer_stats_by_schema |
| sys | x$innodb_buffer_stats_by_schema |
| sys | innodb_buffer_stats_by_table |
| sys | x$innodb_buffer_stats_by_table |
| sys | schema_object_overview |
| sys | schema_auto_increment_columns |
| sys | x$schema_flattened_keys |
| sys | schema_redundant_indexes |
| sys | ps_check_lost_instrumentation |
| sys | latest_file_io |
| sys | x$latest_file_io |
| sys | io_by_thread_by_latency |
| sys | x$io_by_thread_by_latency |
| sys | io_global_by_file_by_bytes |
| sys | x$io_global_by_file_by_bytes |
| sys | io_global_by_file_by_latency |
| sys | x$io_global_by_file_by_latency |
| sys | io_global_by_wait_by_bytes |
| sys | x$io_global_by_wait_by_bytes |
| sys | io_global_by_wait_by_latency |
| sys | x$io_global_by_wait_by_latency |
| sys | innodb_lock_waits |
| sys | x$innodb_lock_waits |
| sys | memory_by_user_by_current_bytes |
| sys | x$memory_by_user_by_current_bytes |
| sys | memory_by_host_by_current_bytes |
| sys | x$memory_by_host_by_current_bytes |
| sys | memory_by_thread_by_current_bytes |
| sys | x$memory_by_thread_by_current_bytes |
| sys | memory_global_by_current_bytes |
| sys | x$memory_global_by_current_bytes |
| sys | memory_global_total |
| sys | x$memory_global_total |
| sys | schema_index_statistics |
| sys | x$schema_index_statistics |
| sys | x$ps_schema_table_statistics_io |
| sys | schema_table_statistics |
| sys | x$schema_table_statistics |
| sys | schema_table_statistics_with_buffer |
| sys | x$schema_table_statistics_with_buffer |
| sys | schema_tables_with_full_table_scans |
| sys | x$schema_tables_with_full_table_scans |
| sys | schema_unused_indexes |
| sys          | schema_table_lock_waits                       |
| sys          | x$schema_table_lock_waits                   |
| sys          | statement_analysis                            |
| sys          | x$statement_analysis                          |
| sys          | statements_with_errors_or_warnings            |
| sys          | x$statements_with_errors_or_warnings          |
| sys          | statements_with_full_table_scans              |
| sys          | x$statements_with_full_table_scans            |
| sys          | x$ps_digest_avg_latency_distribution          |
| sys          | x$ps_digest_95th_percentile_by_avg_us         |
| sys          | statements_with_runtimes_in_95th_percentile   |
| sys          | x$statements_with_runtimes_in_95th_percentile |
| sys          | statements_with_sorting                       |
| sys          | x$statements_with_sorting                     |
| sys          | statements_with_temp_tables                   |
| sys | x$statements_with_temp_tables |
| sys | user_summary_by_file_io_type |
| sys | x$user_summary_by_file_io_type |
| sys | user_summary_by_file_io |
| sys | x$user_summary_by_file_io |
| sys | user_summary_by_statement_type |
| sys | x$user_summary_by_statement_type |
| sys | user_summary_by_statement_latency |
| sys | x$user_summary_by_statement_latency |
| sys | user_summary_by_stages |
| sys | x$user_summary_by_stages |
| sys | user_summary |
| sys | x$user_summary |
| sys | host_summary_by_file_io_type |
| sys | x$host_summary_by_file_io_type |
| sys          | host_summary_by_file_io                     |
| sys          | x$host_summary_by_file_io                     |
| sys          | host_summary_by_statement_type                |
| sys          | x$host_summary_by_statement_type              |
| sys          | host_summary_by_statement_latency             |
| sys          | x$host_summary_by_statement_latency           |
| sys          | host_summary_by_stages                        |
| sys          | x$host_summary_by_stages                      |
| sys          | host_summary                                |
| sys          | x$host_summary                                |
| sys          | wait_classes_global_by_avg_latency            |
| sys          | x$wait_classes_global_by_avg_latency          |
| sys          | wait_classes_global_by_latency                |
| sys          | x$wait_classes_global_by_latency              |
| sys          | waits_by_user_by_latency                      |
| sys          | x$waits_by_user_by_latency                    |
| sys          | waits_by_host_by_latency                      |
| sys          | x$waits_by_host_by_latency                    |
| sys          | waits_global_by_latency                     |
| sys          | x$waits_global_by_latency                   |
| sys          | metrics                                     |
| sys          | processlist                                 |
| sys          | x$processlist                               |
| sys          | session                                 |
| sys          | x$session                                 |
| sys          | session_ssl_status                            |
+--------------+-----------------------------------------------+
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