文章目录
Docker 安装
检查是否安装 Docker
[root@docker ~]# rpm -qa | grep docker
安装基本依赖包
[root@docker ~]# yum -y install vim yum-utils device-mapper-persistent-data lvm2
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
base | 3.6 kB 00:00:00
epel | 4.7 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/3): epel/x86_64/updateinfo | 1.0 MB 00:00:00
(2/3): epel/x86_64/primary_db | 6.9 MB 00:00:00
(3/3): updates/7/x86_64/primary_db | 3.7 MB 00:00:00
Package 2:vim-enhanced-7.4.629-7.el7.x86_64 already installed and latest version
Resolving Dependencies
--> Running transaction check
---> Package device-mapper-persistent-data.x86_64 0:0.8.5-3.el7_9.2 will be installed
--> Processing Dependency: libaio.so.1(LIBAIO_0.4)(64bit) for package: device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64
--> Processing Dependency: libaio.so.1(LIBAIO_0.1)(64bit) for package: device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64
--> Processing Dependency: libaio.so.1()(64bit) for package: device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64
---> Package lvm2.x86_64 7:2.02.187-6.el7 will be installed
--> Processing Dependency: lvm2-libs = 7:2.02.187-6.el7 for package: 7:lvm2-2.02.187-6.el7.x86_64
--> Processing Dependency: liblvm2app.so.2.2(Base)(64bit) for package: 7:lvm2-2.02.187-6.el7.x86_64
--> Processing Dependency: libdevmapper-event.so.1.02(Base)(64bit) for package: 7:lvm2-2.02.187-6.el7.x86_64
--> Processing Dependency: liblvm2app.so.2.2()(64bit) for package: 7:lvm2-2.02.187-6.el7.x86_64
--> Processing Dependency: libdevmapper-event.so.1.02()(64bit) for package: 7:lvm2-2.02.187-6.el7.x86_64
---> Package yum-utils.noarch 0:1.1.31-54.el7_8 will be installed
--> Processing Dependency: python-kitchen for package: yum-utils-1.1.31-54.el7_8.noarch
--> Processing Dependency: libxml2-python for package: yum-utils-1.1.31-54.el7_8.noarch
--> Running transaction check
---> Package device-mapper-event-libs.x86_64 7:1.02.170-6.el7 will be installed
---> Package libaio.x86_64 0:0.3.109-13.el7 will be installed
---> Package libxml2-python.x86_64 0:2.9.1-6.el7.5 will be installed
---> Package lvm2-libs.x86_64 7:2.02.187-6.el7 will be installed
--> Processing Dependency: device-mapper-event = 7:1.02.170-6.el7 for package: 7:lvm2-libs-2.02.187-6.el7.x86_64
---> Package python-kitchen.noarch 0:1.1.1-5.el7 will be installed
--> Processing Dependency: python-chardet for package: python-kitchen-1.1.1-5.el7.noarch
--> Running transaction check
---> Package device-mapper-event.x86_64 7:1.02.170-6.el7 will be installed
---> Package python-chardet.noarch 0:2.2.1-3.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================================================================= Package Arch Version Repository Size
=========================================================================================================================Installing:
device-mapper-persistent-data x86_64 0.8.5-3.el7_9.2 updates 423 k
lvm2 x86_64 7:2.02.187-6.el7 base 1.3 M
yum-utils noarch 1.1.31-54.el7_8 base 122 k
Installing for dependencies:
device-mapper-event x86_64 7:1.02.170-6.el7 base 191 k
device-mapper-event-libs x86_64 7:1.02.170-6.el7 base 191 k
libaio x86_64 0.3.109-13.el7 base 24 k
libxml2-python x86_64 2.9.1-6.el7.5 base 247 k
lvm2-libs x86_64 7:2.02.187-6.el7 base 1.1 M
python-chardet noarch 2.2.1-3.el7 base 227 k
python-kitchen noarch 1.1.1-5.el7 base 267 k
Transaction Summary
=========================================================================================================================Install 3 Packages (+7 Dependent packages)
Total download size: 4.1 M
Installed size: 12 M
Downloading packages:
(1/10): device-mapper-event-libs-1.02.170-6.el7.x86_64.rpm | 191 kB 00:00:00
(2/10): libaio-0.3.109-13.el7.x86_64.rpm | 24 kB 00:00:00
(3/10): device-mapper-event-1.02.170-6.el7.x86_64.rpm | 191 kB 00:00:00
(4/10): libxml2-python-2.9.1-6.el7.5.x86_64.rpm | 247 kB 00:00:00
(5/10): lvm2-2.02.187-6.el7.x86_64.rpm | 1.3 MB 00:00:00
(6/10): lvm2-libs-2.02.187-6.el7.x86_64.rpm | 1.1 MB 00:00:00
(7/10): python-chardet-2.2.1-3.el7.noarch.rpm | 227 kB 00:00:00
(8/10): device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64.rpm | 423 kB 00:00:00
(9/10): yum-utils-1.1.31-54.el7_8.noarch.rpm | 122 kB 00:00:00
(10/10): python-kitchen-1.1.1-5.el7.noarch.rpm | 267 kB 00:00:00
-------------------------------------------------------------------------------------------------------------------------Total 15 MB/s | 4.1 MB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : libaio-0.3.109-13.el7.x86_64 1/10
Installing : 7:device-mapper-event-libs-1.02.170-6.el7.x86_64 2/10
Installing : 7:device-mapper-event-1.02.170-6.el7.x86_64 3/10
Installing : 7:lvm2-libs-2.02.187-6.el7.x86_64 4/10
Installing : device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64 5/10
Installing : python-chardet-2.2.1-3.el7.noarch 6/10
Installing : python-kitchen-1.1.1-5.el7.noarch 7/10
Installing : libxml2-python-2.9.1-6.el7.5.x86_64 8/10
Installing : yum-utils-1.1.31-54.el7_8.noarch 9/10
Installing : 7:lvm2-2.02.187-6.el7.x86_64 10/10
Verifying : 7:device-mapper-event-libs-1.02.170-6.el7.x86_64 1/10
Verifying : 7:lvm2-libs-2.02.187-6.el7.x86_64 2/10
Verifying : libxml2-python-2.9.1-6.el7.5.x86_64 3/10
Verifying : python-chardet-2.2.1-3.el7.noarch 4/10
Verifying : 7:lvm2-2.02.187-6.el7.x86_64 5/10
Verifying : device-mapper-persistent-data-0.8.5-3.el7_9.2.x86_64 6/10
Verifying : python-kitchen-1.1.1-5.el7.noarch 7/10
Verifying : 7:device-mapper-event-1.02.170-6.el7.x86_64 8/10
Verifying : libaio-0.3.109-13.el7.x86_64 9/10
Verifying : yum-utils-1.1.31-54.el7_8.noarch 10/10
Installed:
device-mapper-persistent-data.x86_64 0:0.8.5-3.el7_9.2 lvm2.x86_64 7:2.02.187-6.el7 yum-utils.noarch 0:1.1.31-54.el7_8
Dependency Installed:
device-mapper-event.x86_64 7:1.02.170-6.el7 device-mapper-event-libs.x86_64 7:1.02.170-6.el7
libaio.x86_64 0:0.3.109-13.el7 libxml2-python.x86_64 0:2.9.1-6.el7.5
lvm2-libs.x86_64 7:2.02.187-6.el7 python-chardet.noarch 0:2.2.1-3.el7
python-kitchen.noarch 0:1.1.1-5.el7
Complete!
配置 docker-ce 源
[root@docker ~]# yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Loaded plugins: fastestmirror
adding repo from: https://download.docker.com/linux/centos/docker-ce.repo
grabbing file https://download.docker.com/linux/centos/docker-ce.repo to /etc/yum.repos.d/docker-ce.repo
repo saved to /etc/yum.repos.d/docker-ce.repo
查看 docker-ce 可用版本
[root@docker ~]# yum list docker-ce --showduplicates | sort -r
Loading mirror speeds from cached hostfile
Loaded plugins: fastestmirror
docker-ce.x86_64 3:19.03.9-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.8-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.7-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.6-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.5-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.4-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.3-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.2-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.14-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.1-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.13-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.12-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.11-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.10-3.el7 docker-ce-stable
docker-ce.x86_64 3:19.03.0-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.9-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.8-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.7-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.6-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.5-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.4-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.3-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.2-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.1-3.el7 docker-ce-stable
docker-ce.x86_64 3:18.09.0-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.3.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.2.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.1.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.06.0.ce-3.el7 docker-ce-stable
docker-ce.x86_64 18.03.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 18.03.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.12.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.12.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.09.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.09.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.06.2.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.06.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.06.0.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.03.3.ce-1.el7 docker-ce-stable
docker-ce.x86_64 17.03.2.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.03.1.ce-1.el7.centos docker-ce-stable
docker-ce.x86_64 17.03.0.ce-1.el7.centos docker-ce-stable
Available Packages
安装指定版本 docker-ce
[root@docker ~]# yum -y install docker-ce-19.03.9-3.el7
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package docker-ce.x86_64 3:19.03.9-3.el7 will be installed
--> Processing Dependency: container-selinux >= 2:2.74 for package: 3:docker-ce-19.03.9-3.el7.x86_64
--> Processing Dependency: containerd.io >= 1.2.2-3 for package: 3:docker-ce-19.03.9-3.el7.x86_64
--> Processing Dependency: docker-ce-cli for package: 3:docker-ce-19.03.9-3.el7.x86_64
--> Processing Dependency: libcgroup for package: 3:docker-ce-19.03.9-3.el7.x86_64
--> Running transaction check
---> Package container-selinux.noarch 2:2.119.2-1.911c772.el7_8 will be installed
--> Processing Dependency: policycoreutils-python for package: 2:container-selinux-2.119.2-1.911c772.el7_8.noarch
---> Package containerd.io.x86_64 0:1.3.9-3.1.el7 will be installed
---> Package docker-ce-cli.x86_64 1:19.03.14-3.el7 will be installed
---> Package libcgroup.x86_64 0:0.41-21.el7 will be installed
--> Running transaction check
---> Package policycoreutils-python.x86_64 0:2.5-34.el7 will be installed
--> Processing Dependency: setools-libs >= 3.3.8-4 for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libsemanage-python >= 2.5-14 for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: audit-libs-python >= 2.1.3-4 for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: python-IPy for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.4)(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libqpol.so.1(VERS_1.2)(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libapol.so.4(VERS_4.0)(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: checkpolicy for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libqpol.so.1()(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Processing Dependency: libapol.so.4()(64bit) for package: policycoreutils-python-2.5-34.el7.x86_64
--> Running transaction check
---> Package audit-libs-python.x86_64 0:2.8.5-4.el7 will be installed
---> Package checkpolicy.x86_64 0:2.5-8.el7 will be installed
---> Package libsemanage-python.x86_64 0:2.5-14.el7 will be installed
---> Package python-IPy.noarch 0:0.75-6.el7 will be installed
---> Package setools-libs.x86_64 0:3.3.8-4.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
========================================================================================================================= Package Arch Version Repository Size
=========================================================================================================================Installing:
docker-ce x86_64 3:19.03.9-3.el7 docker-ce-stable 24 M
Installing for dependencies:
audit-libs-python x86_64 2.8.5-4.el7 base 76 k
checkpolicy x86_64 2.5-8.el7 base 295 k
container-selinux noarch 2:2.119.2-1.911c772.el7_8 extras 40 k
containerd.io x86_64 1.3.9-3.1.el7 docker-ce-stable 29 M
docker-ce-cli x86_64 1:19.03.14-3.el7 docker-ce-stable 38 M
libcgroup x86_64 0.41-21.el7 base 66 k
libsemanage-python x86_64 2.5-14.el7 base 113 k
policycoreutils-python x86_64 2.5-34.el7 base 457 k
python-IPy noarch 0.75-6.el7 base 32 k
setools-libs x86_64 3.3.8-4.el7 base 620 k
Transaction Summary
=========================================================================================================================Install 1 Package (+10 Dependent packages)
Total download size: 93 M
Installed size: 390 M
Downloading packages:
(1/11): audit-libs-python-2.8.5-4.el7.x86_64.rpm | 76 kB 00:00:00
(2/11): checkpolicy-2.5-8.el7.x86_64.rpm | 295 kB 00:00:00
(3/11): container-selinux-2.119.2-1.911c772.el7_8.noarch.rpm | 40 kB 00:00:00
warning: /var/cache/yum/x86_64/7/docker-ce-stable/packages/containerd.io-1.3.9-3.1.el7.x86_64.rpm: Header V4 RSA/SHA512 Signature, key ID 621e9f35: NOKEY
Public key for containerd.io-1.3.9-3.1.el7.x86_64.rpm is not installed
(4/11): containerd.io-1.3.9-3.1.el7.x86_64.rpm | 29 MB 00:00:09
(5/11): libcgroup-0.41-21.el7.x86_64.rpm | 66 kB 00:00:00
(6/11): libsemanage-python-2.5-14.el7.x86_64.rpm | 113 kB 00:00:00
(7/11): python-IPy-0.75-6.el7.noarch.rpm | 32 kB 00:00:00
(8/11): policycoreutils-python-2.5-34.el7.x86_64.rpm | 457 kB 00:00:00
(9/11): setools-libs-3.3.8-4.el7.x86_64.rpm | 620 kB 00:00:00
(10/11): docker-ce-cli-19.03.14-3.el7.x86_64.rpm | 38 MB 00:00:10
(11/11): docker-ce-19.03.9-3.el7.x86_64.rpm | 24 MB 00:00:21
-------------------------------------------------------------------------------------------------------------------------Total 4.2 MB/s | 93 MB 00:00:21
Retrieving key from https://download.docker.com/linux/centos/gpg
Importing GPG key 0x621E9F35:
Userid : "Docker Release (CE rpm) <docker@docker.com>"
Fingerprint: 060a 61c5 1b55 8a7f 742b 77aa c52f eb6b 621e 9f35
From : https://download.docker.com/linux/centos/gpg
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : libcgroup-0.41-21.el7.x86_64 1/11
Installing : setools-libs-3.3.8-4.el7.x86_64 2/11
Installing : 1:docker-ce-cli-19.03.14-3.el7.x86_64 3/11
Installing : audit-libs-python-2.8.5-4.el7.x86_64 4/11
Installing : checkpolicy-2.5-8.el7.x86_64 5/11
Installing : python-IPy-0.75-6.el7.noarch 6/11
Installing : libsemanage-python-2.5-14.el7.x86_64 7/11
Installing : policycoreutils-python-2.5-34.el7.x86_64 8/11
Installing : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch 9/11
setsebool: SELinux is disabled.
Installing : containerd.io-1.3.9-3.1.el7.x86_64 10/11
Installing : 3:docker-ce-19.03.9-3.el7.x86_64 11/11
Verifying : 3:docker-ce-19.03.9-3.el7.x86_64 1/11
Verifying : containerd.io-1.3.9-3.1.el7.x86_64 2/11
Verifying : libsemanage-python-2.5-14.el7.x86_64 3/11
Verifying : 2:container-selinux-2.119.2-1.911c772.el7_8.noarch 4/11
Verifying : python-IPy-0.75-6.el7.noarch 5/11
Verifying : checkpolicy-2.5-8.el7.x86_64 6/11
Verifying : policycoreutils-python-2.5-34.el7.x86_64 7/11
Verifying : audit-libs-python-2.8.5-4.el7.x86_64 8/11
Verifying : 1:docker-ce-cli-19.03.14-3.el7.x86_64 9/11
Verifying : setools-libs-3.3.8-4.el7.x86_64 10/11
Verifying : libcgroup-0.41-21.el7.x86_64 11/11
Installed:
docker-ce.x86_64 3:19.03.9-3.el7
Dependency Installed:
audit-libs-python.x86_64 0:2.8.5-4.el7 checkpolicy.x86_64 0:2.5-8.el7
container-selinux.noarch 2:2.119.2-1.911c772.el7_8 containerd.io.x86_64 0:1.3.9-3.1.el7
docker-ce-cli.x86_64 1:19.03.14-3.el7 libcgroup.x86_64 0:0.41-21.el7
libsemanage-python.x86_64 0:2.5-14.el7 policycoreutils-python.x86_64 0:2.5-34.el7
python-IPy.noarch 0:0.75-6.el7 setools-libs.x86_64 0:3.3.8-4.el7
Complete!
配置 docker 启动 && 开机启动
[root@docker ~]# systemctl start docker && systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
DB2 安装
查看 docker 镜像
[root@docker ~]# docker images ls
REPOSITORY TAG IMAGE ID CREATED SIZE
拉取 DB2 镜像
[root@docker ~]# docker pull ibmcom/db2
Using default tag: latest
latest: Pulling from ibmcom/db2
524b0c1e57f8: Pull complete
e7a9171c839a: Pull complete
f4447742b873: Pull complete
db90696d3502: Pull complete
6acc1312ab24: Pull complete
67e9a72bc07a: Pull complete
2b9e6b7678c7: Pull complete
Digest: sha256:f22f8a5b2b2dcce7b54ff15f30d1b42cdf36f3915029015af2a784ec1734bcd9
Status: Downloaded newer image for ibmcom/db2:latest
docker.io/ibmcom/db2:latest
查看拉取镜像
[root@docker ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
ibmcom/db2 latest d6b3abc02d57 5 months ago 2.69GB
配置 docker Volume 并启动 DB2
- 创建目录
[root@docker ~]# mkdir /data/docker_volume -p
- 通过 db2 镜像 && 创建容器
[root@docker ~]# docker run -d --name mydb2 --privileged=true -p 50000:50000 -e LICENSE=accept -e DB2INST1_PASSWORD=mydb2pass -e DBNAME=testdb -v /data/docker_volume:/database ibmcom/db2
2bee17e52529300fa05a57f7c7c8cab26114a726c76ec95ef6807436e041519d
- 参数说明
docker run \
-d \ # 表示在后台启动容器
--name mydb2 \ # 指定容器名称
--privileged=true \ # 使得容器内 root 拥有真正的 root 权限
-p 50000:50000 \ # 指定容器访问端口 (容器外:容器内)
-e LICENSE=accept \ # 接受协议
-e DB2INST1_PASSWORD=mydb2pass \ # 设置内置实例用户 db2inst1 的密码为 mydb2pass
-e DBNAME=testdb \ # 容器启动时自动创建一个名为 testdb 的数据库,不指定不创建
-v /data/docker_volume:/database \ # 磁盘挂载(容器外:容器内)
ibmcom/db2 # 镜像名称
- 查看容器状态
[root@docker ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS
NAMES
2bee17e52529 ibmcom/db2 "/var/db2_setup/lib/…" 4 hours ago Up 4 hours 22/tcp, 55000/
tcp, 60006-60007/tcp, 0.0.0.0:50000->50000/tcp mydb2
DB2 简单操作
通过容器 id 进入容器
[root@docker ~]# docker exec -it 2bee17e52529 /bin/bash
切换到 db2inst1 用户
[root@2bee17e52529 /]# su - db2inst1
Last login: Mon Dec 7 06:45:44 UTC 2020
查看 db2 运行状态
[db2inst1@2bee17e52529 ~]$ db2pd -
Database Member 0 -- Active -- Up 0 days 03:39:54 -- Date 2020-12-07-06.47.04.896811
查看数据库 && 补丁版本
[db2inst1@2bee17e52529 ~]$ db2level
DB21085I This instance or install (instance name, where applicable:
"db2inst1") uses "64" bits and DB2 code release "SQL11054" with level
identifier "0605010F".
Informational tokens are "DB2 v11.5.4.0", "s2006161200", "DYN2006161200AMD64",
and Fix Pack "0".
Product is installed at "/opt/ibm/db2/V11.5".
查看现有库 && 配置参数
[db2inst1@2bee17e52529 ~]$ db2 list db directory
System Database Directory
Number of entries in the directory = 1
Database 1 entry:
Database alias = TESTDB
Database name = TESTDB
Local database directory = /database/data
Database release level = 15.00
Comment =
Directory entry type = Indirect
Catalog database partition number = 0
Alternate server hostname =
Alternate server port number =
连接数据库
[db2inst1@2bee17e52529 ~]$ db2 connect to testdb
Database Connection Information
Database server = DB2/LINUXX8664 11.5.4.0
SQL authorization ID = DB2INST1
Local database alias = TESTDB
创建数据表
[db2inst1@2bee17e52529 ~]$ db2 "
> create table TEST(
> ID BIGINT NOT NULL GENERATED BY DEFAULT AS IDENTITY (START WITH 1,INCREMENT BY 1),
> USER_NAME VARCHAR(20),
> USER_AGES INT
> )
> "
DB20000I The SQL command completed successfully.
查看 test 表
- 查看库中表
[db2inst1@2bee17e52529 ~]$ db2 list tables
Table/View Schema Type Creation time
------------------------------- --------------- ----- --------------------------
TEST DB2INST1 T 2020-12-07-06.52.41.532807
1 record(s) selected.
- 查看表结构
[db2inst1@2bee17e52529 ~]$ db2 describe table test
Data type Column
Column name schema Data type name Length Scale Nulls
------------------------------- --------- ------------------- ---------- ----- ------
ID SYSIBM BIGINT 8 0 No
USER_NAME SYSIBM VARCHAR 20 0 Yes
USER_AGES SYSIBM INTEGER 4 0 Yes
3 record(s) selected.
创建新的数据库
- 创建数据库
[db2inst1@2bee17e52529 ~]$ db2 create db newdb using codeset utf-8 territory CN
SQL1047N The application is already connected to another database.
- 断开当前连接
[db2inst1@2bee17e52529 ~]$ db2 connect reset
DB20000I The SQL command completed successfully.
- 重新创建数据库
[db2inst1@2bee17e52529 ~]$ db2 create db newdb using codeset utf-8 territory CN
DB20000I The CREATE DATABASE command completed successfully.
- 查看当前数据库
[db2inst1@2bee17e52529 ~]$ db2 list db directory
System Database Directory
Number of entries in the directory = 2
Database 1 entry:
Database alias = TESTDB
Database name = TESTDB
Local database directory = /database/data
Database release level = 15.00
Comment =
Directory entry type = Indirect
Catalog database partition number = 0
Alternate server hostname =
Alternate server port number =
Database 2 entry:
Database alias = NEWDB
Database name = NEWDB
Local database directory = /database/data
Database release level = 15.00
Comment =
Directory entry type = Indirect
Catalog database partition number = 0
Alternate server hostname =
Alternate server port number =
客户端连接
JDBC 连接
链接:jdbc:db2://47.92.119.6:50000/testdb
说明:jdbc:db2://服务器地址:db2端口/连接数据库
客户端连接
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