Online Access Free ACA-Database Exam Questions

Which of the following specifications of AnalyticDB supports tiered storage of cold and hot data?

• A.Basic Edition
• B.S series
• C.C series
• D.Elastic Mode

If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?

• A.Level 1 backup + Redo log
• B.Level-2 backup
• C.Level-1 backup
• D.Level-2 backup + Redo log

Which of the following statements about Data Transmission Service (DTS) migration scenarios is NOT true?

• A.DTS can migrate data from several source databases to one destination database, for example, A > C and B > C.
• B.DTS can migrate data from one source database to several destination databases, for example, A > B and A > C.
• C.DTS can migrate data in a circular way, for example, A > B > C > A.
• D.DTS can migrate data from one source database to one destination database, for example, A > B.

Which of the following are the benefits of database views? (Number of correct answers: 3)

• A.Easier for data visualization
• B.Stabilization of information: presents a consistent, unchanged image of the database structure
• C.Simplicity in structure: presents the database as a set of virtual tables specific to particular users or groups of users
• D.Simplicity for queries

Which of the following features is provided by Data Management (DMS)?

• A.Enables online database management, such as data query, database and table management, and permission management
• B.Evaluates the database migration project
• C.Backs up multiple types of databases
• D.Integrates data across multiple data sources