---++ Introduction

The RelationalAlgebra package defines an [[abstract syntax]] for relational algebra, a presentation of relational algebra in MathML and optimization of relational algebra expressions.

---++ Download and installation

<pre>
	svn checkout %SVNSTRATEGOXT%/trunk/experimental/relational-algebra
</pre>

---++ See also

	* [[SqlFront][sql-front]]
	* [[QueryCompiler][query-compiler]]