https://github.com/liuzl/db2
DB2 with pandas
https://github.com/liuzl/db2
db2 docker mac pandas
Last synced: about 2 months ago
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DB2 with pandas
- Host: GitHub
- URL: https://github.com/liuzl/db2
- Owner: liuzl
- Created: 2018-08-01T02:18:48.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2018-08-02T03:20:17.000Z (almost 8 years ago)
- Last Synced: 2024-12-25T20:26:13.761Z (over 1 year ago)
- Topics: db2, docker, mac, pandas
- Language: Jupyter Notebook
- Homepage:
- Size: 24.4 KB
- Stars: 2
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
## 使用docker安装db2环境
```sh
# 拉取db2的docker镜像
docker pull ibmcom/db2express-c
# 启动docker
docker run --name DB2ExpressC -d -p 50000:50000 -e DB2INST1_PASSWORD=db2inst1 -e LICENSE=accept ibmcom/db2express-c:latest db2start
# 进入到启动的容器
docker exec -it DB2ExpressC /bin/bash
# 切换用户到 db2inst1
su - db2inst1
# 安装默认实例
db2sampl
# 连接到新创建的数据库实例
db2 connect to sample
# 执行SQL
db2 "SELECT * FROM STAFF"
```
## Python连接db2
```python
import ibm_db
conn = ibm_db.connect("DATABASE=sample;HOSTNAME=localhost;PORT=50000;PROTOCOL=TCPIP;UID=db2inst1;PWD=db2inst1;", "", "")
sql = "SELECT * FROM STAFF"
stmt = ibm_db.exec_immediate(conn, sql)
result = ibm_db.fetch_both(stmt)
while result:
print(result)
result = ibm_db.fetch_both(stmt)
```
## db2常见命令
```sh
$ #连接数据库
$ db2 connect to sample
$ #列出数据表
$ db2 list tables
$ #列出系统表
$ db2 list tables for system
$ #列出所有表
$ db2 list tables for all
$ #列出用户表
$ db2 list tables for user
$ #显示表结构
$ db2 describe table tablename
```