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on_demand_session_memberships.html
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on_demand_session_memberships.html
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<head>
<style>
div {
font-family: monospace;
}
table, th, td {
border: 1px solid black;
border-collapse: collapse;
}
tr:nth-child(odd) {
background-color: #FFFFFF;
}
tr:nth-child(even) {
background-color: #EBF2F2;
}
th, td {
text-align: left;
padding: 5px 10px 5px 5px;
}
</style>
</head>
<div>
<h1>on_demand_session_memberships</h1>
<h2>Description</h2>
<p>
For each course's session, list the learners with the role of 'member' in that session and their start/end timestamps
</p>
<h2> Columns </h2>
<table>
<tr><th>Name</th><th>Description</th></tr>
<tr>
<td>course_id</td><td>22 character unique string identifying an individual course</td>
</tr>
<tr>
<td>on_demand_session_id</td><td>unique identifer for a course's session on the Phoenix platform</td>
</tr>
<tr>
<td>gatech_user_id</td><td>Encrypted Coursera user id for gatech data.</td>
</tr>
<tr>
<td>on_demand_sessions_membership_start_ts</td><td>the datetime of when the learner became a 'member' role for this course's session</td>
</tr>
<tr>
<td>on_demand_sessions_membership_end_ts</td><td>the datetime of when the learner ended his or her 'member' role for this course's session</td>
</tr>
</table>
<h2>SQL create statement</h2>
<pre>
CREATE TABLE on_demand_session_memberships (
course_id varchar
,on_demand_session_id varchar
,gatech_user_id VARCHAR(50) NOT NULL
,on_demand_sessions_membership_start_ts timestamp
,on_demand_sessions_membership_end_ts timestamp
);
</pre>
</div>