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1、1系统问题XX公司BI系统上线运行以来，客户反映系统目前存在着下面的几个问题，涉及到数据库和ETL.问题一：表空间增长太快，每个月需增加35G空间。问题二：ETLJOB会经常导致数据库产生表空间不足错误。2系统优化分析2.1分析思路要解决表空间的问题，我们必须搞清楚下面几个问题：思路一：真正每个月数据仓库增量是多少空间？目的：得出一个正确的月表空间增长量。思路二：目前的数据仓库表空间是是如何分布的。目的：找出那些对象是最占空间，分析其合理性。2.2分析过程要得到真实的数据分布必须对表进行分析，首先需要对数据仓库的oracle数据库进行表分析，。执行下面脚本可以对数据库进行表分析。脚本一comp
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8、putestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatisti
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11、IS_KEY_MESSAGEanalyzetableSA_DRIVER_REASONanalyzetableSA_REF_MR_CUSTanalyzetableSA_BARRIER_REASONanalyzetableSA_ACCOUNTanalyzetableSA_REF_MR_PRODanalyzetableSA_REF_VENDOR_EMPanalyzetableSA_FINANCE_ACT_ADJUSTMENTanalyzetableSA_RANKING_MESSAGEanalyzetableSA_TCanalyzetableSA_CUST_PARENTanalyzetableSA_E
12、XCHANGE_RATE_ACT_MTHanalyzetableSA_EXCHANGE_RATEanalyzetableSA_DASH_GROWTH_BUBBLEanalyzetableSA_COST_CENTERanalyzetablePM_KEYanalyzetableSA_CM_REF_TERR_OCManalyzetableSA_CM_REF_TERR_CUanalyzetableSA_BPCS_TO_ISMIanalyzetablePRODUCTanalyzetableSA_SHIFT_LEVELanalyzetableSA_SFE_VARIABLESanalyzetableSA_P
13、RODUCTanalyzetableSA_PATIENT_TYPE_ENanalyzetableSA_MR_KEY_PRODUCTanalyzetableSA_MAP_TEAM_BRANDcomputestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computes
14、tatistics;computestatistics;Lcomputestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;c
15、omputestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;computestatistics;analyzetableSA_MAP_CUSTOMERanalyzetableSA_MAP_AGGRanalyzetableSA_LOCATIONanalyzetableSA_INCREMENTAL_SHIFTanalyzetableSA_IMS_CITYanalyzetableSA_TGT_FREQanalyzetableSA_TGT_CALLSanalyzetableSA_FINANCE_ANPanalyzetableSA_COMPANY_DAILY_SALES_23analyzetableS
