Use native SQLite types
diff --git a/Doc/lib/libsqlite3.tex b/Doc/lib/libsqlite3.tex
index 7517f6b..a05f5af 100644
--- a/Doc/lib/libsqlite3.tex
+++ b/Doc/lib/libsqlite3.tex
@@ -36,8 +36,8 @@
 
 # Create table
 c.execute('''create table stocks
-(date timestamp, trans varchar, symbol varchar,
- qty decimal, price decimal)''')
+(date text, trans text, symbol text,
+ qty real, price real)''')
 
 # Insert a row of data
 c.execute("""insert into stocks