mysql common command

mysql> show databases;
+-------------+
| Database |
+-------------+
| mysql |
| servicedesk |
| test |
+-------------+

mysql> use servicedesk;

mysql> show tables;


mysql>
mysql> show privileges;
+-------------------------+--------------------------+-------------------------------------------------------+
| Privilege | Context | Comment |
+-------------------------+--------------------------+-------------------------------------------------------+
| Alter | Tables | To alter the table |
| Create temporary tables | Databases | To use CREATE TEMPORARY TABLE |
| Create | Databases,Tables,Indexes | To create new databases and tables |
| Delete | Tables | To delete existing rows |
| Drop | Databases,Tables | To drop databases and tables |
| File | File access on server | To read and write files on the server |
| Grant option | Databases,Tables | To give to other users those privileges you possess |
| Index | Tables | To create or drop indexes |
| Insert | Tables | To insert data into tables |
| Lock tables | Databases | To use LOCK TABLES (together with SELECT privilege) |
| Process | Server Admin | To view the plain text of currently executing queries |
| References | Databases,Tables | To have references on tables |
| Reload | Server Admin | To reload or refresh tables, logs and privileges |
| Replication client | Server Admin | To ask where the slave or master servers are |
| Replication slave | Server Admin | To read binary log events from the master |
| Select | Tables | To retrieve rows from table |
| Show databases | Server Admin | To see all databases with SHOW DATABASES |
| Shutdown | Server Admin | To shutdown the server |
| Super | Server Admin | To use KILL thread, SET GLOBAL, CHANGE MASTER, etc. |
| Update | Tables | To update existing rows |
| Usage | Server Admin | No privileges - allow connect only |
+-------------------------+--------------------------+-------------------------------------------------------+
21 rows in set (0.00 sec)



mysql> show status;
+----------------------------+-----------+
| Variable_name | Value |
+----------------------------+-----------+
| Aborted_clients | 4 |
| Aborted_connects | 6 |
| Binlog_cache_disk_use | 0 |
| Binlog_cache_use | 0 |
| Bytes_received | 170957189 |
| Bytes_sent | 672760406 |
| Com_admin_commands | 0 |
| Com_alter_db | 0 |
| Com_alter_table | 0 |
| Com_analyze | 0 |
| Com_backup_table | 0 |
| Com_begin | 0 |
| Com_change_db | 256 |
| Com_change_master | 0 |
| Com_check | 0 |
| Com_checksum | 0 |
| Com_commit | 175896 |
| Com_create_db | 1 |
| Com_create_function | 0 |
| Com_create_index | 0 |
| Com_create_table | 0 |
| Com_dealloc_sql | 0 |
| Com_delete | 80 |
| Com_delete_multi | 0 |
| Com_do | 0 |
| Com_drop_db | 0 |
| Com_drop_function | 0 |
| Com_drop_index | 0 |
| Com_drop_table | 0 |
| Com_drop_user | 0 |
| Com_execute_sql | 0 |
| Com_flush | 0 |
| Com_grant | 0 |
| Com_ha_close | 0 |
| Com_ha_open | 0 |
| Com_ha_read | 0 |
| Com_help | 0 |
| Com_insert | 463 |
| Com_insert_select | 0 |
| Com_kill | 0 |
| Com_load | 0 |
| Com_load_master_data | 0 |
| Com_load_master_table | 0 |
| Com_lock_tables | 0 |
| Com_optimize | 0 |
| Com_preload_keys | 0 |
| Com_prepare_sql | 0 |
| Com_purge | 0 |
| Com_purge_before_date | 0 |
| Com_rename_table | 0 |
| Com_repair | 0 |
| Com_replace | 0 |
| Com_replace_select | 0 |
| Com_reset | 0 |
| Com_restore_table | 0 |
| Com_revoke | 0 |
| Com_revoke_all | 0 |
| Com_rollback | 246 |
| Com_savepoint | 0 |
| Com_select | 489861 |
| Com_set_option | 1120 |
| Com_show_binlog_events | 0 |
| Com_show_binlogs | 0 |
| Com_show_charsets | 0 |
| Com_show_collations | 0 |
| Com_show_column_types | 0 |
| Com_show_create_db | 0 |
| Com_show_create_table | 10 |
| Com_show_databases | 2 |
| Com_show_errors | 0 |
| Com_show_fields | 11 |
| Com_show_grants | 0 |
| Com_show_innodb_status | 0 |
| Com_show_keys | 20 |
| Com_show_logs | 2 |
| Com_show_master_status | 0 |
| Com_show_ndb_status | 0 |
| Com_show_new_master | 0 |
| Com_show_open_tables | 0 |
| Com_show_privileges | 1 |
| Com_show_processlist | 0 |
| Com_show_slave_hosts | 0 |
| Com_show_slave_status | 0 |
| Com_show_status | 1 |
| Com_show_storage_engines | 1 |
| Com_show_tables | 21 |
| Com_show_variables | 254 |
| Com_show_warnings | 0 |
| Com_slave_start | 0 |
| Com_slave_stop | 0 |
| Com_stmt_close | 0 |
| Com_stmt_execute | 0 |
| Com_stmt_prepare | 0 |
| Com_stmt_reset | 0 |
| Com_stmt_send_long_data | 0 |
| Com_truncate | 0 |
| Com_unlock_tables | 0 |
| Com_update | 73349 |
| Com_update_multi | 0 |
| Connections | 267 |
| Created_tmp_disk_tables | 199 |
| Created_tmp_files | 4 |
| Created_tmp_tables | 282 |
| Delayed_errors | 0 |
| Delayed_insert_threads | 0 |
| Delayed_writes | 0 |
| Flush_commands | 1 |
| Handler_commit | 175954 |
| Handler_delete | 0 |
| Handler_discover | 0 |
| Handler_read_first | 189002 |
| Handler_read_key | 16998410 |
| Handler_read_next | 23482498 |
| Handler_read_prev | 0 |
| Handler_read_rnd | 31315 |
| Handler_read_rnd_next | 6107226 |
| Handler_rollback | 499 |
| Handler_update | 772 |
| Handler_write | 30380 |
| Key_blocks_not_flushed | 0 |
| Key_blocks_unused | 7173 |
| Key_blocks_used | 36 |
| Key_read_requests | 17488 |
| Key_reads | 263 |
| Key_write_requests | 4642 |
| Key_writes | 0 |
| Max_used_connections | 4 |
| Not_flushed_delayed_rows | 0 |
| Open_files | 0 |
| Open_streams | 0 |
| Open_tables | 14 |
| Opened_tables | 27168 |
| Qcache_free_blocks | 0 |
| Qcache_free_memory | 0 |
| Qcache_hits | 0 |
| Qcache_inserts | 0 |
| Qcache_lowmem_prunes | 0 |
| Qcache_not_cached | 0 |
| Qcache_queries_in_cache | 0 |
| Qcache_total_blocks | 0 |
| Questions | 741859 |
| Rpl_status | NULL |
| Select_full_join | 544 |
| Select_full_range_join | 0 |
| Select_range | 373 |
| Select_range_check | 0 |
| Select_scan | 154713 |
| Slave_open_temp_tables | 0 |
| Slave_retried_transactions | 0 |
| Slave_running | OFF |
| Slow_launch_threads | 0 |
| Slow_queries | 0 |
| Sort_merge_passes | 0 |
| Sort_range | 202632 |
| Sort_rows | 855337 |
| Sort_scan | 2217 |
| Table_locks_immediate | 664883 |
| Table_locks_waited | 0 |
| Threads_cached | 0 |
| Threads_connected | 3 |
| Threads_created | 266 |
| Threads_running | 1 |
| Uptime | 2415211 |
+----------------------------+-----------+
163 rows in set (0.00 sec)

Restore database (or database table) from backup.
[mysql dir]/bin/mysql -u username -ppassword databasename < /tmp/databasename.sql


mysql> show global variables;



mysql> show global variables like '%LOG%';
+--------------------------------+----------------------+
| Variable_name | Value |
+--------------------------------+----------------------+
| back_log | 50 |
| binlog_cache_size | 32768 |
| expire_logs_days | 0 |
| innodb_flush_log_at_trx_commit | 1 |
| innodb_locks_unsafe_for_binlog | OFF |
| innodb_log_arch_dir | |
| innodb_log_archive | OFF |
| innodb_log_buffer_size | 1048576 |
| innodb_log_file_size | 5242880 |
| innodb_log_files_in_group | 2 |
| innodb_log_group_home_dir | .\ |
| innodb_mirrored_log_groups | 1 |
| log | OFF |
| log_bin | OFF |
| log_error | .\SGUATSUPPORT01.err |
| log_slave_updates | OFF |
| log_slow_queries | OFF |
| log_update | OFF |
| log_warnings | 1 |
| max_binlog_cache_size | 4294967295 |
| max_binlog_size | 1073741824 |
| max_relay_log_size | 0 |
| relay_log_purge | ON |
| relay_log_space_limit | 0 |
| sync_binlog | 0 |
+--------------------------------+----------------------+
25 rows in set (0.00 sec)