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A Cloud Guru

Query This XML File on Linux

You are working as a system administrator and have been tasked with querying an XML file using only the CLI (Command Line Interface). You can download the file using the following `curl` command: ``` curl -O -L https://github.com/linuxacademy/content-intro-to-databases-on-linux/raw/master/demo.xml ``` Using the Java-based BaseX client, you will need to query this file for the name of the user with an ID of **1**, and find the ID of the user with the name **Sue**.

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Path Info

Level

Beginner

Duration

15m

Published

Jun 26, 2020

Challenge

Start the BaseX Client
irst you will need to download the BaseX client from basex.org:
```
curl -O -L http://files.basex.org/releases/9.3.2/BaseX932.jar
```
The Java binaries will also be needed:
```
sudo yum -y install java
```
Finally, we can start the BaseX client:
```
java -cp BaseX932.jar org.basex.BaseX
```
Challenge

Open the demo.xml File
With the client installed and running, we can open the demo file:
```
CREATE DB demo demo.xml
```
Challenge

Print the Name of the User with an ID of 1
```
xquery /users/user[ID=1]/Name
```
Challenge

Print ID of the User with a Name of Sue
```
xquery /users/user[Name="Sue"]/ID
```

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!

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.