5 | Field | Description | Type | Null | Key | Default | Extra |
6 | ----- | ----------- | ---- | ---- | --- | ------- | ----- |
7 | id | | int unsigned | YES | PRI | | auto_increment |
8 | uri | URI of an item | varbinary(255) | YES | | | |
9 | guid | A unique identifier for an item | varbinary(255) | NO | | | |
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