| 发明名称 |
PRIVACY RESTRICTIONS FOR COLUMNAR STORAGE |
| 摘要 |
In privacy restrictions for columnar storage, a query including operations on one or more protected columns is received. The one or more protected columns are specified with one or more access restricting metadata in a columnar table. It is determined whether the received query comprises operations on the one or more protected columns specified with the one or more access restricting metadata. The execution of the query is restricted and a constraint violation is displayed, based on the determination. |
| 申请公布号 |
US2015379299(A1) |
申请公布日期 |
2015.12.31 |
| 申请号 |
US201414314046 |
申请日期 |
2014.06.25 |
| 申请人 |
KLEIN UDO;ODENHEIMER JENS |
发明人 |
KLEIN UDO;ODENHEIMER JENS |
| 分类号 |
G06F21/62;G06F21/60 |
主分类号 |
G06F21/62 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A non-transitory computer-readable medium to store instructions, which when executed by a computer, cause the computer to perform operations comprising:
receive a query comprising operations on one or more protected columns, wherein the one or more protected columns are specified with one or more access restricting metadata in a columnar table; determine whether the received query comprises operations on the one or more protected columns specified with the one or more access restricting metadata; and based on the determination, restrict execution of the query and display a constraint violation. |
| 地址 |
WALLDORF DE |
