Merge pull request #131 from nilportugues/svg-diagram

Add diagram.svg to readme

Author: nilportugues

README.md

@@ -1,7 +1,7 @@
 SQL Query Builder
 =================
 
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 An elegant lightweight and efficient SQL Query Builder with fluid interface SQL syntax supporting bindings and complicated query generation. **Works without establishing a connection to the database.** 
@@ -63,6 +63,8 @@ php composer.phar require nilportugues/sql-query-builder
 
 The SQL Query Builder allows to generate complex SQL queries standard using the `SQL-2003` dialect (default) and the `MySQL` dialect, that extends the `SQL-2003` dialect.
 
+<img src="./diagram.svg" />
+
 <a name="block2.1"></a>
 ### 2.1. Generic Builder [↑](#index_block)
 The Generic Query Builder is the default builder for this class and writes standard SQL-2003.