Refresh tables to detect schema changes that occurred in your data source since you created the data source connection. Schema changes that are detected during refresh include:
New columns
Dropped columns
Changes in column data type; for example, varchar to integer
You can refresh tables at the connection level and the table level. When you refresh at the table level, the refresh is performed only on the selected tables.
Note: | You can refresh only relational data sources, including Oracle BI EE data sources. |
The following topics describe the refresh process: