Query This XML File on Linux

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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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Lab Info

Level

Beginner

Last updated

Sep 23, 2025

Duration

15m

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
```

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