ocr: FIGURE 1: Each package encapsulates rules for one entity, but a rule may be enforced by the code in more than one package. CVL RULE 1 Stotement check - a Table A : constraints RULE 2 Siatement check2 pockage RULE n Satement Table. B - checkn constroints pockage Constraints Package Attributes: 1.Ali the procedures in a packoge govem only procedural constroints on that table. 2. Procedures enforcing a rule can be overloaded. 3, One rule moy require severol pracedures as delermined from the CVL.
