Modeler 6.4.4.42 — Toad Data

Compare production DB (reverse engineered) with development model.

1. Introduction & Version Context Version: 6.4.4.42 (Build 6.4.4.42) Era: Late 2010s stable release. No longer supported by Quest, but still widely used for offline modeling, reverse engineering, and legacy database support (Oracle, SQL Server, MySQL, PostgreSQL, Sybase, DB2). Toad Data Modeler 6.4.4.42

| Layer | Purpose | Objects | |-------|---------|---------| | | Business entities, no datatypes | Entity, Attribute, Primary/Alternate Key, Relationship (non-identifying/identifying) | | Physical | Database-specific implementation | Table, Column (with datatype), Physical FK, Index, Storage clause, Partitioning | and legacy database support (Oracle

View → Logical Model / Physical Model