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POSQL Server - Return sets with repeating values in sequential records
 

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  1. POSQL Server - Return sets with repeating values in sequential records
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    <p>I have data that looks like the following:<br> The data is ordered by processID, then by step start date.<br> Step start date determines the sequence of the steps. Each step is approved by an approver (the approver ID's below are arbitrary)</p> <pre><code>╔═══════════╦══════════════════════════╦═══════════════╦════════════╗ ║ ProcessID ║ StepName ║Step Start Date║ ApproverID ║ ╠═══════════╬══════════════════════════╬═══════════════╬════════════╣ ║ 1 ║ Supervisor Approval ║1/1/2013 07:24 ║ A ║ ║ 1 ║ Sales Manager Approval ║1/1/2013 13:35 ║ B ║ ║ 1 ║ General Manager Approval ║1/3/2013 08:00 ║ B ║ ║ 1 ║ CEO Approval ║1/5/2013 14:40 ║ C ║ ║ 2 ║ Supervisor Approval ║1/2/2013 07:00 ║ A ║ ║ 2 ║ Sales Manager Approval ║1/2/2013 08:00 ║ B ║ ║ 2 ║ General Manager Approval ║1/2/2013 09:00 ║ C ║ ║ 2 ║ CEO Approval ║1/2/2013 10:00 ║ B ║ ╚═══════════╩══════════════════════════╩═══════════════╩════════════╝ </code></pre> <p>I need a TSQL query that would return the [ProcessID]'s for any process that has the same ApproverID in 2 or more consecutive steps.</p> <p>So in the example above, ProcessID #1 would be returned because Approver B approved steps 2 and 3 (consecutively). ProcessID #2 would not be returned because even though Approver B approved steps 2 and 4, they were not consecutive.</p> <p>Here is a SQL fiddle with the schema setup and some sample data: <a href="http://sqlfiddle.com/#!3/48589/1" rel="nofollow">SQL Fiddle</a></p> <p>Any help would be greatly appreciated!</p>
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      1. VTUpMod
    1. COHow are we supposed to know the sequence for the steps??
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      1. USLamak
    2. COHave you tried writing a query?
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      1. USNick Vaccaro
    3. COThe sequence of the steps is already set in the result set above. They were ordered by the date the step started. Unfortunately, there is no numerical ID or anything like that which maps a step name to a sequence id. A datetime column could be included which is the date the step started (which is how the data is currently ordered).
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