boinc/doc/database.html

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
<html lang="en">
<head>
<title>The BOINC Database</title>
<meta name="generator" content="BBEdit 6.1.2">
</head>
<body>
<h2>The BOINC Database</h2>
<p>
BOINC uses a relational database to keep track of participants, work
and result. The reference implementation uses MySQL, but any SQL
database can be used.
</p>
<p>
In boinc/html_user/ there is a file called db_name containing only the
name of the database for that project. Each BOINC project will have a different database
name. This allows for access to different databases through the webpages of projects.
<p>
The database tables are as follows:
</p>
<dl>
<dt>
platform
</dt>
<dd>
Compilation targets of the core client and/or applications.
</dd>
<dt>
app
</dt>
<dd>
Applications. The core client is treated as an application; its
name is "core_client".
</dd>
<dt>
app_version
</dt>
<dd>
Versions of applications. Each record includes a URL for
downloading the executable, and the MD5 checksum of the executable.
</dd>
<dt>
user
</dt>
<dd>
Describes users, including their email address, name, web
password, and authenticator.
</dd>
<dt>
preferences
</dt>
<dd>
Describes preferences. The actual preference information is
stored in an XML document in a "blob" field of this table.
</dd>
<dt>
host
</dt>
<dd>
Describes hosts.
</dd>
<dt>
workunit
</dt>
<dd>
Describes workunits. The input file descriptions are stored in
an XML document in a blob field. Includes counts of the number of
results linked to this workunit, and the numbers that have been sent,
that have succeeded, and that have failed.
</dd>
<dt>
result
</dt>
<dd>
Describes results. Includes a "state" (whether the result has
been dispatched). Stores a number of items relevant only after the
result has been returned: CPU time, exit status, and validation status.
</dd>
</dl>
</body>
</html>