Linux上OcenBase单机版部署及基本信息查询
OceanBase单机版部署可以通过在线和离线两种方式部署。在线部署可以通过yum源或者apt源部署，直接拉取官方源码即可。实际使用中，大部分环境连不了外网，本文介绍离线方式安装。 下载“OceanBase All in One”离线安装包下载官方地址：**** Hidden Message *****1. 解压安装包
# ll
-rwxr-xr-x 1 root root 692947447 May 1 19:23 oceanbase-all-in-one-4.3.0.1-100000242024032211.el7.x86_64.tar.gz
# tar -xzvf oceanbase-all-in-one-4.3.0.1-100000242024032211.el7.x86_64.tar.gz
# ll
total 676708
drwxr-xr-x 6 root root 88 Mar 29 11:46 oceanbase-all-in-one
-rwxr-xr-x 1 root root 692947447 May 1 19:23 oceanbase-all-in-one-4.3.0.1-100000242024032211.el7.x86_64.tar.gz
2. 一键部署并添加到系统环境变量
# cd oceanbase-all-in-one/bin/
# ./install.sh
# source ~/.oceanbase-all-in-one/bin/env.sh
# obd demo
3. 连接数据库
#通过2881端口直连数据库
# obclient -h127.0.0.1 -P2881 -uroot@sys -Doceanbase -A
Welcome to the OceanBase. Commands end with ; or \g.
Your OceanBase connection id is 3221497482
Server version: OceanBase_CE 4.3.0.1 (r100000242024032211-0193a343bc60b4699ec47792c3fc4ce166a182f9) (Built Mar 22 2024 13:19:48)
Copyright (c) 2000, 2018, OceanBase and/or its affiliates. All rights reserved.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
obclient >
#通过ODP代理访问数据库
# obclient -h127.0.0.1 -P2883 -uroot@sys -Doceanbase -A
Welcome to the OceanBase. Commands end with ; or \g.
Your OceanBase connection id is 1815347202
Server version: OceanBase_CE 4.3.0.1 (r100000242024032211-0193a343bc60b4699ec47792c3fc4ce166a182f9) (Built Mar 22 2024 13:19:48)
Copyright (c) 2000, 2018, OceanBase and/or its affiliates. All rights reserved.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
obclient >
4. 查询数据库版本、字符集等基本信息obclient > SELECT VERSION();
+------------------------------+
| VERSION() |
+------------------------------+
| 5.7.25-OceanBase_CE-v4.3.0.1 |
+------------------------------+
1 row in set (0.002 sec)
obclient >
#查看字符集
obclient > SHOW SESSION VARIABLES LIKE 'character\_set\_%';
+--------------------------+---------+
| Variable_name | Value |
+--------------------------+---------+
| character_set_client | utf8mb4 |
| character_set_connection | utf8mb4 |
| character_set_database | utf8mb4 |
| character_set_filesystem | binary |
| character_set_results | utf8mb4 |
| character_set_server | utf8mb4 |
| character_set_system | utf8mb4 |
+--------------------------+---------+
7 rows in set (0.003 sec)
obclient > SHOW SESSION VARIABLES LIKE 'collation\_%';
+----------------------+--------------------+
| Variable_name | Value |
+----------------------+--------------------+
| collation_connection | utf8mb4_general_ci |
| collation_database | utf8mb4_general_ci |
| collation_server | utf8mb4_general_ci |
+----------------------+--------------------+
3 rows in set (0.003 sec)
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