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d'ORModel

d'ORModel is an ORM for Delphi, based on models and object fields. for now, it uses the "database first" approach: all objects and metadata (delphi attributes) are generated from the database (MS SQL Server + CE, MySQL is pending). Everything is fully typed with no hard coded strings (no FieldByName('field1')!) so you can use the compiler to check your models and code! When you change the database, just regenerate the models and metadata and recompile: the compiler will gives errors when you use an old renamed field, so no nasty runtime errors :).

The models and attributes can be used for all layers and tiers:

Instead of datamodules with queries and hidden design time textual sql statements and fields, everything is done in code with objects.

LINQ

By using a query builder with fluent interfaces, you can create sql statements in your code which are typesafe and checked by the compiler.

For example:

  TESTCrud.NewQuery
    .Select          ([TESTCrud.Data.ID])
    .Where.FieldValue(TESTCrud.Data.Name).Equal('test');
  if TESTCrud.QuerySelectSingle then
    MessageDlg('Record is found in database!');

There are many more cool features, take a look at the unit tests for examples.