test4union

\BEGIN{TABLE}
    \caption {test4union}
    \BEGIN{tabular}{|l|}
    \hline
    Test query BEFORE                                                                                                                                                                                                                                                                                        \\ \hline
    SELECT DISTINCT personID, groupID, moduleID, taskID, SubmissionTime\\   FROM Submissions WHERE PassedTests IS NOT NULL \\UNION \\SELECT DISTINCT personID, groupID, moduleID, taskID, SubmissionTime\\  FROM Submissions WHERE PassedTests IS NULL;                                                         \\ \hline
    Client side timing: 0.1400\\Server side timing: 0.1337                                                                                                                                                                                                                                                   \\ \hline
    Test query after                                                                                                                                                                                                                                                                                         \\ \hline
    SELECT DISTINCT personID, groupID, moduleID, taskID \\  FROM Submissions WHERE PassedTests IS NOT NULL \\UNION ALL\\SELECT DISTINCT personID, groupID, moduleID, taskID \\  FROM Submissions WHERE PassedTests IS NOT NULL;                                                                                \\ \hline
    Client side timing: 0.0780\\Server side timing: 0.0657                                                                                                                                                                                                                                                   \\ \hline
    \END{tabular}
\END{TABLE}