Difference between revisions of "Command-Line Client"
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This page is part of the [[Getting Started]] Section. | This page is part of the [[Getting Started]] Section. | ||
− | BaseX offers a standalone | + | BaseX offers a standalone mode in which all [[Commands|database commands]] can be executed from the command line or console. |
− | The article on the [[Database Server]] provides numerous examples for running commands in the | + | The article on the [[Database Server]] provides numerous examples for running commands in the standalone mode. |
− | ( | + | (Note that the standalone mode does ''not'' interact with the client/server architecture.) |
=Startup= | =Startup= | ||
− | First of all, | + | First of all, launch a '''standalone''' version of BaseX: double click on the '''BaseX''' icon (Windows only) or run the <code>basex</code> script. Click on the following links to find more information on [[Startup#Standalone_Mode|starting the standalone mode]], [[Start_Scripts#Standalone|the standalone mode's start script]] or [[Command-Line_Options#Standalone|the standalone mode's command-line options]]. |
− | =Create a | + | =Create a Database= |
* To create a database you need an XML document, e.g. [http://files.basex.org/xml/factbook.xml factbook.xml]. | * To create a database you need an XML document, e.g. [http://files.basex.org/xml/factbook.xml factbook.xml]. | ||
* Save this document to your working directory. | * Save this document to your working directory. | ||
− | * Type in the following command: | + | * Type in the following command to create and open the database: |
<code> | <code> | ||
> [[Commands#CREATE DB|CREATE DB]] factbook factbook.xml | > [[Commands#CREATE DB|CREATE DB]] factbook factbook.xml | ||
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; Where is the database stored? | ; Where is the database stored? | ||
− | By default, databases are stored in the <code> | + | By default, databases are stored in the <code>basex/data</code> directory, which is located in your home folder. |
− | Depending on your [[Configuration]], the location of your home folder varies. For example, on a Mac it's <code>/Users/John</code>, if your name is John. | + | Depending on your [[Configuration]], the location of your home folder varies. For example, on a Mac it's <code>/Users/John</code>, if your name is John. |
+ | |||
+ | =Execute a Query= | ||
− | |||
The [[Commands#XQUERY|XQUERY]] command lets you run a query. | The [[Commands#XQUERY|XQUERY]] command lets you run a query. | ||
− | * For example, | + | * For example, the following query returns all country nodes in the currently opened factbook database. |
<code> | <code> | ||
> [[Commands#XQUERY|XQUERY]] //country | > [[Commands#XQUERY|XQUERY]] //country | ||
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</code> | </code> | ||
− | = | + | =Database Commands= |
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* The following command lists all databases than can be opened by the currently logged in user: | * The following command lists all databases than can be opened by the currently logged in user: | ||
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<code> | <code> | ||
> [[Commands#LIST|LIST]] | > [[Commands#LIST|LIST]] | ||
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<code> | <code> | ||
> [[Commands#OPEN|OPEN]] factbook | > [[Commands#OPEN|OPEN]] factbook | ||
+ | </code> | ||
+ | |||
+ | * To get information on the currently opened database, type: | ||
+ | <code> | ||
+ | > [[Commands#INFO|INFO]] | ||
</code> | </code> | ||
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</code> | </code> | ||
− | + | * To [[Commands|close]] the current database, please type: | |
− | * To [[Commands|close]] the current | ||
<code> | <code> | ||
> [[Commands#CLOSE|CLOSE]] | > [[Commands#CLOSE|CLOSE]] | ||
</code> | </code> | ||
− | * Use the [[Commands#DROP DB|DROP DB]] command to delete | + | * Use the [[Commands#DROP DB|DROP DB]] command to delete a database: |
<code> | <code> | ||
− | > [[Commands#DROP DB|DROP DB]] | + | > [[Commands#DROP DB|DROP DB]] factbook |
</code> | </code> | ||
− | = | + | =Multiple Resources= |
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− | + | One database can contain not only a single, but millions of documents. All documents can have a different structure. | |
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− | + | With the following commands, you can create an empty database and add two documents. It is also possible to address resources via URLs: | |
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<code> | <code> | ||
− | > [[Commands# | + | > [[Commands#CREATE DB|CREATE DB]] store |
− | </code> | + | </code><br/> |
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<code> | <code> | ||
− | > [[Commands# | + | > [[Commands#ADD|ADD]] factbook.xml |
− | </code> | + | </code><br/> |
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<code> | <code> | ||
− | > [[Commands# | + | > [[Commands#ADD|ADD]] http://files.basex.org/xml/xmark.xml |
</code> | </code> | ||
− | * | + | * Deleting a document from a database is easy, but make sure that the database, which contains the addressed document, is currently opened: |
<code> | <code> | ||
− | > [[Commands# | + | > [[Commands#DELETE|DELETE]] factbook.xml |
</code> | </code> | ||
− | + | =Backup and Restore= | |
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* To backup your database, type: | * To backup your database, type: | ||
<code> | <code> | ||
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</code> | </code> | ||
− | + | The backup file is stored in the database directory. | |
− | + | It contains the name of the database and a timestamp: <code>[db-name]-[timestamp].zip</code>. | |
− | The backup | + | If a database is to be restored, and if several backups exist, the backup with the newest timestamp is taken. |
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Revision as of 13:40, 1 April 2019
This page is part of the Getting Started Section. BaseX offers a standalone mode in which all database commands can be executed from the command line or console. The article on the Database Server provides numerous examples for running commands in the standalone mode. (Note that the standalone mode does not interact with the client/server architecture.)
Contents
Startup
First of all, launch a standalone version of BaseX: double click on the BaseX icon (Windows only) or run the basex
script. Click on the following links to find more information on starting the standalone mode, the standalone mode's start script or the standalone mode's command-line options.
Create a Database
- To create a database you need an XML document, e.g. factbook.xml.
- Save this document to your working directory.
- Type in the following command to create and open the database:
> CREATE DB factbook factbook.xml
- factbook is the name of the database
- factbook.xml is the initial input of the database
- Where is the database stored?
By default, databases are stored in the basex/data
directory, which is located in your home folder.
Depending on your Configuration, the location of your home folder varies. For example, on a Mac it's /Users/John
, if your name is John.
Execute a Query
The XQUERY command lets you run a query.
- For example, the following query returns all country nodes in the currently opened factbook database.
> XQUERY //country
- You can also run queries in files:
> RUN /Users/John/query.xq
Database Commands
- The following command lists all databases than can be opened by the currently logged in user:
> LIST
- To open an existing database, execute the following:
> OPEN factbook
- To get information on the currently opened database, type:
> INFO
- You can also address a database within your query with the db:open function:
> XQUERY db:open("factbook")//country
- To close the current database, please type:
> CLOSE
- Use the DROP DB command to delete a database:
> DROP DB factbook
Multiple Resources
One database can contain not only a single, but millions of documents. All documents can have a different structure.
With the following commands, you can create an empty database and add two documents. It is also possible to address resources via URLs:
> CREATE DB store
> ADD factbook.xml
> ADD http://files.basex.org/xml/xmark.xml
- Deleting a document from a database is easy, but make sure that the database, which contains the addressed document, is currently opened:
> DELETE factbook.xml
Backup and Restore
- To backup your database, type:
> CREATE BACKUP factbook
- To restore your database, type:
> RESTORE factbook
The backup file is stored in the database directory.
It contains the name of the database and a timestamp: [db-name]-[timestamp].zip
.
If a database is to be restored, and if several backups exist, the backup with the newest timestamp is taken.