D4 (programming language): Difference between revisions

Revision as of 20:18, 9 June 2009

Revision as of 03:12, 1 August 2010

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===Data Definition Language===

The DDL for Dataphor bears many similarities to other DBMSs, but with an obviously Pascal-like twist. Many of the allowed DDL operations, like constraints allow [[relational]] [[Declarative_programmingDeclarative programming|declarative]] statements to be used, which many believe is superior to the procedural style operations used in [[SQL]] ex: create,drop,truncate,alter.

===Data Manipulation Language===

The DML syntax at first glance may appear to be similar to [[SQL]]s syntax, but because of D4's closer ties to [[relational algebra]], the syntax has a cleaner definition, and most users greatly prefer it over SQL. {{FactCitation needed|date=June 2009}}

===Imperative Language===

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