为实现经济和生态的同步可持续发展,要大力发展绿色技术,包括()
A. 治理污染技术
B. 清洁生产技术
C. 有利健康技术
D. 改善生态技术
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绿色消费是指人类的消费行为符合()
A. 节约资源的要求
B. 减少污染的要求
C. 循环利用的要求
D. 有益健康的要求
TheDB_BLOCK_CHECKINGinitializationparameterissettoTRUE.Whatwouldbetheresultofthissettingonthedatablocksbeingwrittentothedatafiles,everytimetheDBWnwrites?()
A. TheOracledatabasewillcheckalldatablocksbygoingthroughthedataoneachblock,makingsurethedataisself-consistent.
B. TheDBWnandthedirectloaderwillcalculateachecksumandstoreitinthecacheheaderofeverydatablockwhenwritingittodisk.
C. TheOracledatabasewillcheckdatablocksbelongingtotheSYSTEMtablespaceonly,bygoingthroughthedataoneachblock,makingsurethedataisself-consistent.
D. TheOracledatabasewillcheckdatablocksbelongingtotheSYSAUXtablespaceonly,bygoingthroughthedataoneachblock,makingsurethedataisself-consistent.
E. TheOracledatabasewillcheckdatablocksintheSYSTEMandSYSAUXtablespacesonly,bygoingthroughthedataoneachblock,makingsurethedataisself-consistent.
可持续发展战略的根本目的是实现()
A. 生态可持续发展
B. 经济可持续发展
C. 社会可持续发展
D. 环境可持续发展
Whichbuilt-inreturnsaBOOLEANvaluethatindicatedwhetheranobjectsinternalIDisavailable?()
A. GET_ID
B. ID_NULL
C. ID_FIND
D. FIND_ID