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I am converting a rpg program that uses a chain, followed by a readpe to retrieve a value.
I am converting this program to pull the same data from a sql server table using Scott Klements jdbc methods.
I am looking at using the sql lag function, but that does not seem to be what I need.
Data looks like the following
ID TYPE Date Status
21489 RECHECK 20180928 2
21489 REGRADE 20180418 2
21489 REPAIR 20190102 0
Key in file is ID,TYPE,Date
Chain looks for the REPAIR, then does a read prior equal on the ID to get the previous status
Is there a way I can do the same thing using sql ?
Thanks
MIke
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