2014-01-04

Multi-temporal Features in Oracle 12c

Oracle 12c has a feature called Temporal Validity. With Temporal Validity, you can add one or more valid time dimensions to a table using existing columns, or using columns automatically created by the database. This means that Oracle offers combined with Flashback Data Archive native bi-temporal and even multi-temporal historization features. This […]
2014-01-02

Column-less Table Access

While writing some JUnit tests after fixing bugs in dependency analysis views, I came up with the following query: The first view tvd_object_usage_v contains all table/view usages per object. The second view tvd_object_col_usages_v contains all column usages per object. The idea was to check the completeness of the second view tvd_object_col_usages_v. I […]