IBM Information Management DB2 10 Technical Mastery Test v3 認定 P2090-018 試験問題:
1. Which one of the following options is NOT a new feature introduced in DB2 10?
A) INGEST utility
B) Temporal Tables
C) Multi-Temperature Data Management
D) Table Partitioning
2. Which one of the following options is FALSE about DB2's Multi-Temperature Data Storage capability?
A) Multi-temperature data management reduces the total cost of ownership by allowing efficient deployment of storage hardware with minimal administrative overhead.
B) You can use storage groups to implement multi-temperature data management in DB2.
C) Multi-temperature data management integrates with DB2's Workload Manager feature to let you prioritize your workloads based on the data being accessed.
D) Multi-temperature data management best practices recommend that cold data should be stored in faster devices in order to maximize overall system performance.
3. What are some of the benefits of DB2 Express?
A) DB2 Express is a tool that allows DBAs to quickly solve complex database issues.
B) DB2 Express is designed for development and testing. It is not used as a production database.
C) DB2 Express has affordable licensing terms with all of the core features of the DB2 engine.
D) DB2 Express is fastest and most powerful DB2 edition.
4. Which one of the following options is CORRECT about Temporal Tables?
A) System-period temporal tables combine the historical tracking of an Application-period temporal table with the time-specific data storage capabilities of a bitemporal table. They are used to keep user-based period information as well as system-based historical information.
B) Application-period temporal tables combine the historical tracking of a system-period temporal table with the time-specific data storage capabilities of a bitemporal table. They are used to keep user-based period information as well as system-based historical information.
C) System-period temporal tables are used to keep historical versions of records in a table. They use a history table to transparently store updated and deleted data rows.
D) Application-period temporal tables are used to keep historical versions of records in a table. They use a history table to transparently store updated and deleted data rows.
質問と回答：
| 質問 # 1 正解： D | 質問 # 2 正解： D | 質問 # 3 正解： C | 質問 # 4 正解： C |
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