ACA-Database ACA Database Certification Questions and Answers

True

False

90%

99%

99.5%

99.99%

Use the command line like 'mysql' to connect to a cluster

Use DMS to connect to a cluster

Use a client like HeidiSQL to connect to a cluster

Use PolarDB console to log into a cluster

Database migration without interrupting services / downtime

Geo-disaster recovery and active geo-redundancy for databases

Synchronizing data to data warehouses in real time to build data warehouses for real-time analytics.

Configuring data audit rules to manage data quality.

Synchronizing information about user accounts and permissions.

Change tracking and data distribution.

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.

Structured data in rows and columns

Document-oriented unstructured data

Large amounts of time series data

Key-value (KV) data that is frequently read and written

Delete your DTS instance and start over

Restart the migration task from the console

Your database can't be migrated: you need to abandon the migration

You need to switch to ADAM, as DTS cannot complete the migration

1TB

10TB

50TB

100TB

No, this type of migration isn't supported

You can migrate between MySQL and Oracle but not between PostgreSQL

Yes, migration between different types of databases is supported by DTS