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电动机的热态和冷态？
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The ORDERS table in the database of a company contains one million records. The table is stored in the DATA tablespace and the index created on the ORDERS table is stored in the index tablespace named INDEXES. On Monday， you failed to start the database because the datafiles of the INDEXES tablespace were missing. You dropped and recreated the INDEXES tablespace by issuing the following command： SQL>DROP TABLESPACE INDEXES INCLUDING CONTENTS； SQL> CREATE TABLESPACE INDEXES DATAFILE ’C：\ORACLE\ORADATA\ORA101t\INDEX01.DBF’ SIZE 50m； After that， you issued the following command to recreate the index： CREATE UNIQUE INDEX sales_index_pk ON sales （order_id） PCTFREE 10 INITRANS 2 MAXTRANS 255 TABLESPACE indexes STORAGE （ INITIAL 1m NEXT 1m PCTINCREASE 0 MINEXTENTS 1 MAXEXTENTS 8192 ） NOLOGGING PARALLEL（ degree 4） Which two clauses are responsible for reducing the time for the recreation of the index？（）
办理服务贸易境内外汇划转业务，由划付方金融机构按相关规定审查并留存交易单证。
全国统一组织专业技术资格考试的专业及级别，仍需要进行专业技术的资格评审工作。
（）又称临床式访问，是为搜索个人特定经验的过程及其动机和情感资料所作的访问。
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