Database Autonomy Service (DAS) provides storage analysis to help you monitor database instance storage health. Use this feature to track current usage across multiple dimensions, forecast how many days of storage remain before capacity is exhausted, and inspect tablespace details including fragmentation and anomaly diagnosis results.
Limits
Storage analysis supports up to 20,000 tables per analysis.
View storage usage
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Log on to the DAS console.
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In the left-side navigation pane, click Instance Monitoring.
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Find the database instance you want to manage and click its instance ID. The instance details page opens.
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In the left-side navigation pane, click Storage Analysis.
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On the Storage Overview and Data Space tabs, review the storage information described in the following table.
| Tab | Section | Description |
|---|---|---|
| Storage Overview | Storage | Displays storage metrics across four dimensions: Exception, Avg Daily Increase in Last Week, Available Days of Storage, and Used Storage. Click the  icon next to a dimension to see its detailed breakdown. |
| Exceptions | Lists exception information for tables or collections in the instance. | |
| Storage Trend | Shows storage usage over a selected time range of up to seven days. | |
| Tablespaces | Lists each table with its storage usage details. Click a table name to view its Field and Index information. | |
| Data Space | Shows storage usage by database and by table within each database. Click a table name to view its Field and Index information. | |