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Query This Berkeley DB on Linux

You are working as a system administrator and have been tasked with querying an existing Berkeley DB using Python. The database file can be downloaded from the following URL: *https://github.com/linuxacademy/content-intro-to-databases-on-linux/raw/master/demo.db* You are to open the file as read-only, to ensure no data is changed, and print the value associated with the key **2**.

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Path Info

Level

Beginner

Duration

10m

Published

Jul 23, 2020

Challenge

Open the Database
You must first download the database file:
```
curl -O -L https://github.com/linuxacademy/content-intro-to-databases-on-linux/raw/master/demo.db
```
Once downloaded, the database should be opened as read-only, to prevent any data from being changed:
```
import bsddb
db = bsddb.btopen('demo.db', 'r')
```
Challenge

Print a Value
Next you will print the name of the third student by querying the value associated with the key 2:
```
print ('The name of student 2 is ' + db['2'])
```
Challenge

Close the Database
Lastly, you should close the database file and exit the Python interrupter:
```
db.close()
```
Pressing Ctrl d will exit the interpreter.

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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