We are on DB2 Version 8 for z/OS ______________________________________________________________________ * IDUG 2009 Rome, Italy * 5-9 October * ORG/Events * ______________________________________________________________________ was recently updated requiring members to use a new password.See Chapter 1, “Controlling Physical Data Placement,” in the Performance and Tuning Series: Physical Database Tuning and Chapter 5, “Indexes,” in the Performance and Tuning Series: Locking and Concurrency Control.Partitioning enhances the performance, manageability, and availability of a wide variety of applications and helps reduce the total cost of ownership for storing large amounts of data. So session 1 is waiting for the lock on child row 2.14402, 00000, "updating partition key column would cause a partition change"// *Cause: An UPDATE statement attempted to change the value of a partition// key column causing migration of the row to another partition// *Action: Do not attempt to update a partition key column or make sure that// the new partition key is within the range containing the old// partition key.When updating row(s) of a multi-tenant table, a regular tenant can only update rows in its partition, and the rows remain in the same tenant partition, but a super-tenant or a DBA can update rows in all the tenant partitions and group partitions.
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If a table has a primary or candidate key, and if the columns to be updated are a part of the primary or candidate key, SQL checks to determine if there is a corresponding row in the referencing table.This behavior can be seen in inserts and deletes on data-only-locked tables that do not use partitions.It exists for updates only when the partition-key values are updated such that the row moves from one partition to another.You should have gotten an e-mail with the temporary password assigned to your account. If you are not already an member, please register at * IDUG 2009 Denver, CO, USA * May 11-15, 2009 *
You should have gotten an e-mail with the temporary password assigned to your account.
Such an operation on data-only-locked tables causes the row ID (RID) to change, and may result in scan anomalies.