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If a table is to be used in ACID writes (insert, update, delete) then the table property "transactional=true" must be set on that table, starting with Hive 0.14.0.  Without this valueAlso, hive.txn.manager must be set to org.apache.hadoop.hive.ql.lockmgr.DbTxnManager either in hive-site.xml or in the beginning of the session before any query is run. Without those, inserts will be done in the old style; updates and deletes will be prohibited.  However, this does not apply to Hive 0.13.0.

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