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- OS : Ubuntu 18.04.1 LTS
- DBMS : mysql 8.0.12
- blog : blog.csdn.net/shiwanwu
- typesetting : Markdown
数据，数据，命根就在数据 ! 操作数据库时，一定要谨慎小心。师万物 的代码看看就好，要有自己的判断。遇到抉择，要不耻上下问。
example
stu@Ubuntu:~$ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 13
Server version: 8.0.12 MySQL Community Server - GPL
Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.00 sec)
mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> show tables;
+---------------------------+
| Tables_in_mysql |
+---------------------------+
| columns_priv |
| component |
| db |
| default_roles |
| engine_cost |
| func |
| general_log |
| global_grants |
| gtid_executed |
| help_category |
| help_keyword |
| help_relation |
| help_topic |
| innodb_index_stats |
| innodb_table_stats |
| password_history |
| plugin |
| procs_priv |
| proxies_priv |
| role_edges |
| server_cost |
| servers |
| slave_master_info |
| slave_relay_log_info |
| slave_worker_info |
| slow_log |
| tables_priv |
| time_zone |
| time_zone_leap_second |
| time_zone_name |
| time_zone_transition |
| time_zone_transition_type |
| user |
+---------------------------+
33 rows in set (0.01 sec)
mysql> exit
Bye
stu@Ubuntu:~$
resource
- [手册] dev.mysql.com/doc
- [源码] downloads.mysql.com/archives/community
- [Bug ] bugs.mysql.com
- [ 测试数据 ] github.com/datacharmer/test_db
- [规范 - 参考] yq.aliyun.com/articles/69327
- [排名 - 参考] db-engines.com/en
- [平台] www.csdn.net
MySQL是关系型数据库管理系统，目前是开源的(2019-02)。
明确权限，恰当地选择引擎与字符集等，规范命名。
MariaDB，Redis，MongoDB，PostgreSQL，Hive，HBase等，多作了解，拓宽心量。
Workbench，phpMyAdmin，Navicat等图形化管理工具，豫兮若冬涉川。