This table is the primary table for information about work orders, and contains general information - including a description of the work, assigned title, request date and completion date - about each work order. Each row represents a single work order. The primary key field is EVT_CODE. The EVT_OBJECT field can be joined to the Assets table on OBJ_CODE to know which asset the work order was for.

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This table contains information about transactions. A transaction tracks the movement of parts and materials between store houses and work orders. Each record represents a single transaction. The primary key is TRA_CODE. When TRA_TOENTITY is “EVNT” then you can use the TRA_TOCODE field to join to the Work Orders table on EVT_CODE to know which transactions are associated with each work order.

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This table contains specific information about each part that is included in a transaction. Each record has information about one type of part in the transaction. A single transaction could have multiple lines (one for each type of part) in this table. The TRL_TRANS field can be joined to the Transactions table on TRA_CODE to know which parts were part the transaction.

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