Hive中指定分区的命令是() A: DIVIDED BY B: PARTITIONED BY C: SORTED BY D: DIVIDED IN
Hive中指定分区的命令是() A: DIVIDED BY B: PARTITIONED BY C: SORTED BY D: DIVIDED IN
Which of the following is required to connect a partitioned p5-550 to a modem?() A: A modem adapter B: An async adapter and serial cable C: An Ethernet adapter D: A 9-pin to 25-pin converter and serial cable
Which of the following is required to connect a partitioned p5-550 to a modem?() A: A modem adapter B: An async adapter and serial cable C: An Ethernet adapter D: A 9-pin to 25-pin converter and serial cable
A customer currently has five partitioned POWER4 systems and is adding new systems. When the pSeries technical specialist introduces the first p5 system with CoD into this environment, how should the HMC be handled?()
A customer currently has five partitioned POWER4 systems and is adding new systems. When the pSeries technical specialist introduces the first p5 system with CoD into this environment, how should the HMC be handled?()
Click the Exhibit(s) button to view the EMPLOYEES table. The EMPLOYEE table contains thousands of rows. The EMP_CODE column is the primary key column. At the end of every month, you are required to perform search queries based on the BASIC_SAL+COMM column values. Which type of index will you create?() A: B-tree Index B: Bitmap Index C: Function-based Index D: Partitioned Index
Click the Exhibit(s) button to view the EMPLOYEES table. The EMPLOYEE table contains thousands of rows. The EMP_CODE column is the primary key column. At the end of every month, you are required to perform search queries based on the BASIC_SAL+COMM column values. Which type of index will you create?() A: B-tree Index B: Bitmap Index C: Function-based Index D: Partitioned Index
You work as a database administrator for Supportcenter.cn. Because of space constraints, you decided to manually shrink the table. You executed the ALTER TABLE ....SHRINK SPACE statement to shrink the space and you receive an error as follows: A: The table is partitioned B: The table name is wrong. C: It is an index-Organized table (IOT) D: The table is stored in locally managedtablespace. E: The table is stored in atablespacewhere segment space is managed manually.
You work as a database administrator for Supportcenter.cn. Because of space constraints, you decided to manually shrink the table. You executed the ALTER TABLE ....SHRINK SPACE statement to shrink the space and you receive an error as follows: A: The table is partitioned B: The table name is wrong. C: It is an index-Organized table (IOT) D: The table is stored in locally managedtablespace. E: The table is stored in atablespacewhere segment space is managed manually.
While designing the database for one of your online transaction processing (OLTP) applications, you want to achieve the following: a) high availability of data b) faster primary key access to the table data c) compact storage for the table Which type of tables would you use to achieve these objectives?() A: heap tables B: object tables C: partitioned tables D: indexorganized tables (IOTs)
While designing the database for one of your online transaction processing (OLTP) applications, you want to achieve the following: a) high availability of data b) faster primary key access to the table data c) compact storage for the table Which type of tables would you use to achieve these objectives?() A: heap tables B: object tables C: partitioned tables D: indexorganized tables (IOTs)
关于分区表的下列说法,错误的是:( ) A: 表的分区是一种根据“分区列”的值对表进行粗略划分的机制。 B: 对表进行分区可用减少每一次扫描的总数据量,对表进行合理的管理以及提高查询效率。 C: 指定分区信息时所使用的列,必须是表中已经存在的列。 D: 创建表的时候使用Partitioned by(分区列1 数据类型, 分区列2 数据类型…)指定分区信息。
关于分区表的下列说法,错误的是:( ) A: 表的分区是一种根据“分区列”的值对表进行粗略划分的机制。 B: 对表进行分区可用减少每一次扫描的总数据量,对表进行合理的管理以及提高查询效率。 C: 指定分区信息时所使用的列,必须是表中已经存在的列。 D: 创建表的时候使用Partitioned by(分区列1 数据类型, 分区列2 数据类型…)指定分区信息。