Free and Premium Alibaba Cloud ACA-Database Dumps Questions Answers

Standalone instance

Primary/secondary instance that consists of two nodes

Replica set instance that consists of three nodes

Sharded cluster instance

Replica set instance that consists of six nodes

Simplicity for queries

Simplicity in structure: presents the database as a set of virtual tables specific to particular users or groups of users

Easier for data visualization

Stabilization of information: presents a consistent, unchanged image of the database structure

True

False

Complex extract, transform, load (ETL)

Interactive analysis

Simple point query

Real-time update

Machine Learning

Use PolarDB-0 that is highly compatible with Oracle.

Use Advanced Database & Application Migration (ADAM) to evaluate the migration project.

Use ApsaraDB for Redis as a cache service to provide acceleration capabilities.

Use Data Transmission Service (DTS) to migrate data.

True

False

The rules of field metadata and data content can be automatically recognized.

De-identification algorithms can be managed. Multiple algorithms are supported, such as algorithms for masking specific positions and replacing fixed characters.

Field-level and row-level permissions are supported.

After you configure de-identification algorithms, you can view the de-identified data.

Logical backup

Physical backup

Snapshot backup

Full backup

DMS

DBS

DTS

DAS

DG

ApsaraDB for PolarDB is a cloud-native relational database service that is compatible with the MySQL, PostgreSQL, and Oracle engines

Each ApsaraDB for PolarDB cluster supports up to 100 TB of storage space and can handle up to one million queries per second (QPS)

ApsaraDB for PolarDB can scale clusters within a few minutes, recover from failures within a few seconds, and guarantee data consistency

An ApsaraDB for PolarDB cluster can also be scaled out to a maximum of 16 nodes, and provide up to 6 times of performance improvement traditional MySQL clusters at a 30% to 50% cost reduction

ApsaraDB for PolarDB is designed to handle large amounts of sequential queries

AnalyticDB for MySQL is a NoSQL database.

AnalyticDB for MySQL can be used to build enterprise-grade data warehouse projects.

AnalyticDB for MySQL can be used to build online transaction systems.

AnalyticDB for MySQL supports transactions.

True

False