[单选]
You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.
Which statement about the result is true？（）

A . The database instance starts，and Oracle sets the default value of SGA_TARGET to the same value as SGA_MAX_SIZE
B . The database instance starts，and Oracle automatically tunes memory and allocates 60 percent to the SGA and 40 percent to the PGA
C . The database instance starts，but Automatic Memory Management is disabled
D . The database instance will not start because you did not specify the PGA_AGGREGATE_TARGET or SGA_TARGET parameter

下列导电性最好的是（）。钢芯铝铰线。铝线。铜线。扩展标注语言的英文缩写是（） HTML。 XML。 SGML。 VRML。虚假人才推荐怎样提高教职工的工作积极性？（）从研究并且满足需要入手，保护和调动教职员工的工作积极性。从工作动机的培养方面，激发教职工的积极性。从工作目标的设置方面激励教职工。从工作环境的营造方面，激励教职工。 Your database is in ARCHIVELOG mode. You lost an index tablespace due to a disk failure while the database was open. You have neither a backup of the lost index tablespace nor the scripts containing the CREATE INDEX statements to recreate the indexes. Currently， several users are executing long-running queries on the database. What will happen to the ongoing activity in the database？（） The queries that are currently executing will abort and an error message will be returned to the user.。 The queries that are currently executing will execute normally but future queries will not executed.。 Data Manipulation Language （DML） statements cannot be performed on the tables on which the indexes are based.。 The currently executing and future queries will execute normally， but will be slower。

You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.
Which statement about the result is true？（）

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[单选] You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true？（）

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[单选]
You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance.
Which statement about the result is true？（）