Inventory Management - EBS (MOSC)

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Performance Issues with INV Tables and Indexes in Oracle EBS R12.2.10 – Need Expert Guidance

edited Aug 11, 2025 4:11PM in Inventory Management - EBS (MOSC) 4 commentsAnswered

Hi Oracle Community,

We are currently experiencing performance issues in our Oracle EBS environment, particularly related to several tables and indexes in the INV schema. These objects seem to be frequently accessed and are contributing to slowdowns during transaction processing and inventory operations.

Below is a consolidated list of the tables and indexes observed to be problematic:

Frequently Involved Tables and Indexes:

  • MTL_TRANSACTION_LOTS_INTERFACE
  • MTL_TRANSACTIONS_INTERFACE
    • MTL_TRANSACTIONS_INTERFACE_N1
    • MTL_TRANSACTIONS_INTERFACE_N4
    • MTL_TRANSACTIONS_INTERFACE_U1
  • MTL_SYSTEM_ITEMS_B
    • MTL_SYSTEM_ITEMS_B_U1
  • MTL_LOT_NUMBERS
    • MTL_LOT_NUMBERS_N2
    • MTL_LOT_NUMBERS_U1
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