最新的Huawei HCIP-GaussDB-OLAP V1.0 - H13-922免費考試真題

A. Database mainly used for online analytical processing

B. belongs to the MPP schema database

C. belongs to OLAT type database

D. belongs to OLAP type database

A. pgxc_group

B. pgxc_node

C. pg_class

D. pgxc_class

A. NULL record ratio

B. Field width

C. ISTINCT value

D. MCV value (Most common value)

E. Number of tuples in the table

F. HB value

A. begin

B. commit

C. default

D. abort

E. inprgress

F. end

A. Support DDL operations in user concurrent transaction blocks during capacity expansion

B. Physical clusters support scaling

C. For logical cluster scaling, it can be performed with only one DN

D. User concurrent transaction blocks are not supported during expansion to create Temp tables.

A. Normally, the primary key of the table is selected as the distribution column.

B. Columns with fewer values are suitable as distribution columns, which can ensure that the data distribution is relatively concentrated.

C. Join conditions in queries are more suitable as distribution columns.

D. The filter condition of the query is name = 'wang five', so the name column should be used as the distribution column.

A. ExclusiveLock

B. AccessShareLock

C. RowExclusiveLock

D. ShareUpdateExlusiveLock

A. FALSE

B. TRUE

A. Deploy a logical cluster of data to be queried in real time

B. Deploy frequently updated data in a logical cluster

C. Logical clusters that require resources for business

D. Deploys the data that needs to be queried in a logical cluster