Fixed SQL/Pandas examples (fix #245)

Author: roll

examples/table_pandas.py

@@ -14,7 +14,7 @@ def skip_under_30(erows):
 
 # Export to pandas
 table = Table(SOURCE, post_convert=[skip_under_30])
-storage = table.save('persons', backend='pandas')
+storage = table.save('persons', storage='pandas')
 pprint(storage['persons'])
 # Will print (if use skip_under_30 filter)
 # id age name

examples/table_sql.py

@@ -11,10 +11,11 @@
 
 # Open from WEB save to SQL database
 table = Table(SOURCE, schema=SCHEMA)
-table.save('articles', backend='sql', engine=db)
+table.save('articles', storage='sql', engine=db)
 
 # Open from SQL save to DRIVE
-table = Table('articles', backend='sql', engine=db)
+table = Table('articles', storage='sql', engine=db)
+table.infer()
 table.schema.save('tmp/articles.json')
 table.save('tmp/articles.csv')