Oracle Apps Inventory Tables

Following are important tables in Oracle Apps Inventory

MTL_SYSTEM_ITEMS_B
 This table holds the definitions for inventory items, engineering items, and purchasing items. The primary key for an item is the INVENTORY_ITEM_ID and ORGANIZATION_ID.

MTL_ITEM_STATUS
This is the definition table for material status codes. Status code is a required item attribute. It indicates the status of an item, i.e., Active, Pending, Obsolete.

MTL_UNITS_OF_MEASURE_TL
This is the definition table for both the 25-character and the 3-character units of measure. The base_uom_flag indicates if the unit of measure is the primary unit of measure for the uom_class. Oracle Inventory uses this table to keep track of the units of measure used to transact an item.

MTL_ITEM_LOCATIONS
This is the definition table for stock locators. The associated attributes describe which subinventory this locator belongs to, what the locator physical capacity is, etc.

MTL_ITEM_CATEGORIES
This table stores inventory item assignments to categories within a category set.

MTL_CATEGORIES_B
This is the code combinations table for item categories.

MTL_CATEGORIES_B and MTL_CATEGORIES_TL. MTL_CATEGORIES_TL table holds translated Description for Categories.

MTL_CATEGORY_SETS_B
It contains the entity definition for category sets.

MTL_DEMAND
This table stores demand and reservation information used in Available To Promise, Planning and other Manufacturing functions. There are three major row types stored in the table: Summary Demand rows,Open Demand Rows, and Reservation Rows.

MTL_SECONDARY_INVENTORIES
This is the definition table for the subinventory.

MTL_ONHAND_QUANTITIES 
It stores quantity on hand information by control level and location.

MTL_TRANSACTION_TYPES
It contains seeded transaction types and the user defined ones.

MTL_MATERIAL_TRANSACTIONS
This table stores a record of every material transaction or cost update performed in Inventory.

MTL_ITEM_ATTRIBUTES
This table stores information on item attributes.

MTL_ITEM_CATALOG_GROUPS_B
This is the code combinations table for item catalog groups.

MTL_ITEM_REVISIONS_B
It stores revision levels for an inventory item.

MTL_CUSTOMER_ITEMS
It stores customer item information for a specific customer. Each record can be defined at one of the following levels: Customer, Address Category, and Address. The customer item definition is organization independent.

MTL_SYSTEM_ITEMS_INTERFACE
It temporarily stores the definitions for inventory items, engineering items and purchasing items before loading this information into Oracle Inventory.

MTL_TRANSACTIONS_INTERFACE
It allows calling applications to post material transactions (movements, issues, receipts etc. to Oracle Inventory  transaction module.

MTL_ITEM_REVISIONS_INTERFACE
It temporarily stores revision levels for an inventory item before loading this information into Oracle Inventory.

MTL_ITEM_CATEGORIES_INTERFACE
This table temporarily stores data about inventory item assignments to category sets and categories before loading this information into Oracle Inventory.

MTL_DEMAND_INTERFACE
It is the interface point between non-Inventory applications and the Inventory demand module. Records inserted into this table are processed by the Demand Manager concurrent program.

MTL_INTERFACE_ERRORS
It stores errors that occur during the item interface process reporting where the errors occurred along with the error messages.

MTL_PARAMETERS
It maintains a set of default options like general ledger accounts; locator, lot, and serial controls, inter-organization options, costing method, etc. for each organization defined in Oracle Inventory.