Alibaba Group Holding Limited
EFFICIENT LARGE COLUMN VALUES STORAGE IN COLUMNAR DATABASES

Abstract:

Efficient large column values storage in columnar databases is disclosed, including: providing a database comprising a write storage, a read storage, and an auxiliary storage, and wherein the auxiliary storage is used to store a large column value of a row that is associated with either the write storage or the read storage, wherein the large column value comprises a column value that meets a set of large column value criteria; and operating the database using the write storage, the read storage, and the auxiliary storage.