摘要： 本文转自：http://www.orzota.com/sql-for-hbase/HBase provides random, read-write access to Big Data stored in very large tables as a distributed columnar store. HBase thus gained immediately popularity as a Big Data technology that unlike Hadoop which was primarily used in the backend data warehousing inf 阅读全文

摘要： 本文转自http://phoenix-hbase.blogspot.com/Today the Phoenix blog is brought to you by my esteemed colleague and man of many hats, Mujtaba Chohan, who today is wearing his performance engineer hat.SKIP SCANPhoenix 1.2uses a Skip Scan for intra-row scanning which allows for significant performance improve 阅读全文

摘要： DDLData Definition Language(DDL) statements are used to define the database structure or schema. Some examples:CREATE - to create objects in the databaseALTER - alters the structure of the databaseDROP - delete objects from the databaseTRUNCATE - remove all records from a table, including all spaces 阅读全文