Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments |
|---|---|---|---|---|---|---|---|---|
| id | INT | 10 | √ | null |
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| instance | VARCHAR | 100 | √ | NULL |
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| year | INT | 10 | null |
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| month | INT | 10 | null |
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| numCheckouts | INT | 10 | 0 |
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| numFailedCheckouts | INT | 10 | 0 |
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| numRenewals | INT | 10 | 0 |
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| numEarlyReturns | INT | 10 | 0 |
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| numHoldsPlaced | INT | 10 | 0 |
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| numFailedHolds | INT | 10 | 0 |
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| numHoldsCancelled | INT | 10 | 0 |
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| numHoldsFrozen | INT | 10 | 0 |
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| numHoldsThawed | INT | 10 | 0 |
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| numDownloads | INT | 10 | 0 |
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| numPreviews | INT | 10 | 0 |
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| numOptionsUpdates | INT | 10 | 0 |
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| numApiErrors | INT | 10 | 0 |
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| numConnectionFailures | INT | 10 | 0 |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| overdrive_stats_s_pk | Primary key | Asc | id |
| instance | Performance | Asc/Asc/Asc | instance + year + month |
| PRIMARY | Must be unique | Asc | id |
Relationships
Close relationships within degrees of separation
