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How to delete data from act_ge_bytearray and act_hi_actiinst tables

Question asked by ujjwalchoudharing on May 24, 2016
Latest reply on Jun 3, 2016 by ujjwalchoudharing
My application is on production and data in the above 2 table is huge. I want to clean up data. Although my ACT_HI_DETAIL tables is empty.

My concerns are :-

1. Does any body got the way to clear ACT_GE_BYTEARRAY table? how to find the records from bytearray table to be deleted? what is the relation of bytearray table and ACT_HI_ACTINST table in DB? How can I fetch records from ACT_GE_BYTEARRAY table starting from ACT_HI_ACTINST table?

2. How to find what all history data i can delete? can anybody post any query ? what all checks i need to keep in mind regarding date or anything else?

3. Data in my ACT_HI_DETAIL table is empty. Does this mean that all the History data is not of any use for me?