readme to markdown

Author: Nick Gauthier

README renamed to README.md

@@ -1,12 +1,12 @@
-= KnowSQL
+# KnowSQL
 
-Goal:
+## Goal
 1) you don't know what you don't know
    awareness > complete comprehension
    open the fire hydant: you don't have to drink it all, but I will soak you
 2) Easier
 
-== Chapter 1: Indexing
+## Chapter 1: Indexing
  * Basic index (bench - show seq vs idx)
  * unique index (faster than rails - bench)
  * index on expressions (w/ unique)
@@ -16,14 +16,14 @@ Goal:
  * foreign keys
    * polymorphic foreign keys
 
-== Chapter 2: Fancy Queries
+## Chapter 2: Fancy Queries
  * Joins w/ :include and :select for single query access
  * complex aggregation (partition)
  * nested queries (Subquery)
  * pattern matching (LIKE and also regex)
  * views (like for search, or for a twitter timeline)
 
-== Chapter 3: Full Text Search
+## Chapter 3: Full Text Search
  * Simple single column
  * Show in rails (simpler setup than any external indexer)
  * Multi-column
@@ -36,7 +36,7 @@ Goal:
  * Fast (bench vs mongo? http://www.mongodb.org/display/DOCS/Full+Text+Search+in+Mongo )
  * Fast (bench vs solr? http://lucene.apache.org/solr/features.html )
 
-== Chapter 4: Geospatial
+## Chapter 4: Geospatial
  * Setup PostGIS (w/ ubuntu repo)
  * Easy migration to add a point to something
  * Geospatial index
@@ -45,18 +45,18 @@ Goal:
  * Fast (twitter? earthquakes?)
  * Fast (bench vs mongo geospatial? http://www.mongodb.org/display/DOCS/Geospatial+Indexing ) 
 
-== Chapter 5: Shoulders of Giants
+## Chapter 5: Shoulders of Giants
  * auto_explain (like slow query log) http://www.postgresql.org/docs/8.4/static/auto-explain.html
  * chkpass (leave pw encryption to db) http://www.postgresql.org/docs/8.4/static/chkpass.html
    * plus there is pgcrypto for tons of other cryptography functions
- * hstore (hashes in db => easy search and index) http://www.postgresql.org/docs/8.4/static/hstore.html
+ * hstore (hashes in db #> easy search and index) http://www.postgresql.org/docs/8.4/static/hstore.html
  * intarray (arrays in db) http://www.postgresql.org/docs/8.4/static/intarray.html
  * isn (isbn, upc, ismn, issn ... validation, check bits, etc) http://www.postgresql.org/docs/8.4/static/isn.html
  * ltree (tree structure - useful for category names) http://www.postgresql.org/docs/8.4/static/ltree.html
  * xml2 (xml validation and xpath querying) http://www.postgresql.org/docs/8.4/static/xml2.html
 
 
-== Chapter 6
+## Chapter 6
 
 
  * rails structure loading?