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  1. Valid-Time Table

    A temporal database supports multiple version of rows. Dealing with multiple versions can be quite complicated. A number of DBMS vendors have added support for temporal support.

    As an example of a valid-time table consider the emp is shown below.

    Name Dept VTS VTE
    Karen RD 10 20
    Karen HR …
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  3. Temporal Again

    A temporal database supports multiple version of rows. Dealing with multiple versions can be quite complicated. A number of DBMS vendors have added support for temporal support.

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