17. HDFS en MapReduce
MAP REDUCE
SELECT * FROM
COUNT(*)
WEB_CLICKS;
SORT/SHUFFLE
GROUP BY SESSION
MAP REDUCE MAP REDUCE
SELECT * FROM SELECT * FROM
COUNT(*) COUNT(*)
WEB_CLICKS; WEB_CLICKS;
18. NoSQL
index A B C D E F G H I J K L M N O P Q R S T U V W X Y Z