本文主要是介绍如何获得一个Oracle 23ai数据库（docker容器），希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
准确的说，是Oracle 23ai Free Developer版，因为企业版目前只在云上（OCI和Azure）和ECC上提供。
方法包括3种，本文介绍第3种：
- Virtual Appliance
- RPM安装
- Docker
我已经有了一台Oracle Linux 8的虚机，他在云上，这样下载docker image会很快。。
在Oracle Linux 8 上安装Docker，参见这里。以下为命令：
yum install epel-release
dnf install -y dnf-utils zip unzip
dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo
dnf remove -y runc
dnf install -y docker-ce --nobest
systemctl enable docker.service
systemctl start docker.service
安装完成后，看下状态：
[root@instance-20231220-1113-19c-iaas ~]# docker version
Client: Docker Engine - CommunityVersion: 26.1.1API version: 1.45Go version: go1.21.9Git commit: 4cf5afaBuilt: Tue Apr 30 11:49:04 2024OS/Arch: linux/amd64Context: defaultServer: Docker Engine - CommunityEngine:Version: 26.1.1API version: 1.45 (minimum version 1.24)Go version: go1.21.9Git commit: ac2de55Built: Tue Apr 30 11:47:58 2024OS/Arch: linux/amd64Experimental: falsecontainerd:Version: 1.6.31GitCommit: e377cd56a71523140ca6ae87e30244719194a521runc:Version: 1.1.12GitCommit: v1.1.12-0-g51d5e94docker-init:Version: 0.19.0GitCommit: de40ad0
[root@instance-20231220-1113-19c-iaas ~]# docker info
Client: Docker Engine - CommunityVersion: 26.1.1Context: defaultDebug Mode: falsePlugins:buildx: Docker Buildx (Docker Inc.)Version: v0.14.0Path: /usr/libexec/docker/cli-plugins/docker-buildxcompose: Docker Compose (Docker Inc.)Version: v2.27.0Path: /usr/libexec/docker/cli-plugins/docker-composeServer:Containers: 0Running: 0Paused: 0Stopped: 0Images: 1Server Version: 26.1.1Storage Driver: overlay2Backing Filesystem: xfsSupports d_type: trueUsing metacopy: falseNative Overlay Diff: falseuserxattr: falseLogging Driver: json-fileCgroup Driver: cgroupfsCgroup Version: 1Plugins:Volume: localNetwork: bridge host ipvlan macvlan null overlayLog: awslogs fluentd gcplogs gelf journald json-file local splunk syslogSwarm: inactiveRuntimes: io.containerd.runc.v2 runcDefault Runtime: runcInit Binary: docker-initcontainerd version: e377cd56a71523140ca6ae87e30244719194a521runc version: v1.1.12-0-g51d5e94init version: de40ad0Security Options:seccompProfile: builtinKernel Version: 5.4.17-2136.310.7.1.el8uek.x86_64Operating System: Oracle Linux Server 8.6OSType: linuxArchitecture: x86_64CPUs: 2Total Memory: 30.95GiBName: instance-20231220-1113-19c-iaasID: ecee8bb5-b939-46f2-a2a0-4fb5251ff342Docker Root Dir: /var/lib/dockerDebug Mode: falseExperimental: falseInsecure Registries:127.0.0.0/8Live Restore Enabled: false
接下来，下载docker镜像，耗时2分，大小8.7G。速度74MB/s，还行：
$ docker pull container-registry.oracle.com/database/free:latest
permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Post "http://%2Fvar%2Frun%2Fdocker.sock/v1.45/images/create?fromImage=container-registry.oracle.com%2Fdatabase%2Ffree&tag=latest": dial unix /var/run/docker.sock: connect: permission denied
[oracle@instance-20231220-1113-19c-iaas ~]$ time sudo docker pull container-registry.oracle.com/database/free:latest
latest: Pulling from database/free
6d6e36f7c9fb: Pull complete
21def9023b6f: Pull complete
5e7b2cfeb7fa: Pull complete
b4a24759beff: Pull complete
78bba54e9814: Pull complete
716b489ad5ad: Pull complete
c23fd8c6cbee: Pull complete
79dea26b3a5a: Pull complete
5dfbcf799df3: Pull complete
154719a62576: Pull complete
Digest: sha256:83edd0756fda0e5faecc0fdf047814f0177d4224d7bf037e4900123ee3e08718
Status: Downloaded newer image for container-registry.oracle.com/database/free:latest
container-registry.oracle.com/database/free:latestreal 2m0.898s
user 0m0.106s
sys 0m0.070s$ sudo docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
container-registry.oracle.com/database/free latest 7510f8869b04 2 weeks ago 8.7GB
启动数据库：
$ sudo docker run -d -it --name ora23ai container-registry.oracle.com/database/free
9b019091af82510d4862e45d4fd5e1112ecf3896fda251f9f7bd1b5cb861e7ff$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9b019091af82 container-registry.oracle.com/database/free "/bin/bash -c $ORACL…" 7 seconds ago Up 7 seconds (health: starting) 1521/tcp ora23ai$ sudo docker logs -f 9b019091af82
Starting Oracle Net Listener.
Oracle Net Listener started.
Starting Oracle Database instance FREE.
Oracle Database instance FREE started.The Oracle base remains unchanged with value /opt/oracle
#########################
DATABASE IS READY TO USE!
#########################
The following output is now a tail of the alert.log:
2024-05-09T10:20:27.724737+00:00
FREEPDB1(3):Opening pdb with Resource Manager plan: DEFAULT_PLAN
Completed: Pluggable database FREEPDB1 opened read write
Completed: ALTER DATABASE OPEN
2024-05-09T10:20:28.938466+00:00
===========================================================
Dumping current patch information
===========================================================
No patches have been applied
===========================================================
登录数据库：
$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9b019091af82 container-registry.oracle.com/database/free "/bin/bash -c $ORACL…" 3 minutes ago Up 3 minutes (healthy) 1521/tcp ora23ai$ sudo docker exec -it ora23ai bash
bash-4.4$ id
uid=54321(oracle) gid=54321(oinstall) groups=54321(oinstall),54322(dba),54323(oper),54324(backupdba),54325(dgdba),54326(kmdba),54330(racdba)bash-4.4$ sqlplus / as sysdbaSQL*Plus: Release 23.0.0.0.0 - Production on Thu May 9 10:24:13 2024
Version 23.4.0.24.05Copyright (c) 1982, 2024, Oracle. All rights reserved.Connected to:
Oracle Database 23ai Free Release 23.0.0.0.0 - Develop, Learn, and Run for Free
Version 23.4.0.24.05SQL> select 'Hello World';'HELLOWORLD
-----------
Hello WorldSQL> exit
Disconnected from Oracle Database 23ai Free Release 23.0.0.0.0 - Develop, Learn, and Run for Free
Version 23.4.0.24.05bash-4.4$ exit
exit
关机下班：
$ sudo docker stop ora23ai
ora23ai$ sudo docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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