Siebel Merge or Delta Merge Fails With "Unable to connect to the database" And "ORA-24345: A Truncation or null fetch error occurred" In The MERGE Log
(Doc ID 1073581.1)
Last updated on JANUARY 31, 2022
Applies to:Siebel CRM - Version 8.1.1  and later
Information in this document applies to any platform.
Siebel merge or delta merge fails with:
!!ERROR::SBL-DEV-62158: MergeType. Type - Type - exiting with error Error retrieving next record from the database.(SBL-DBC-00104)--
ORA-24345: A Truncation or null fetch error occurred
Siebel Tools Pop-up error is displayed: "Unable to connect to the database".
With Oracle RDBMS 11.2, the default value for the _add_col_optim_enabled hidden parameter is TRUE. This affects ALTER TABLE commands that add a column with a default value specified. When the ALTER TABLE .. ADD .. DEFAULT commands are executed as part of the Siebel upgrade database schema process (upgrep) and the RDBMS hidden parameter is enabled (TRUE) we will execute SQL to set the new column to the default value via an UPDATE command.
The following RDBMS article describes in detail the impact of the _add_col_optim_enabled hidden RDBMS parameter: (Doc 1492674.1)
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