数据仓库服务 GaussDB(DWS)-ANALYZE | ANALYSE:示例

时间:2025-02-12 15:05:10

示例

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DROP TABLE IF EXISTS CUSTOMER;CREATE TABLE CUSTOMER(        C_CUSTKEY     BIGINT NOT NULL CONSTRAINT C_CUSTKEY_pk PRIMARY KEY  ,     C_NAME        VARCHAR(25)  ,     C_ADDRESS     VARCHAR(40)  ,     C_NATIONKEY   INT          ,     C_PHONE       CHAR(15)     ,     C_ACCTBAL     DECIMAL(15,2)  )DISTRIBUTE BY HASH(C_CUSTKEY);
使用ANALYZE语句更新表customer_info统计信息:
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ANALYZE CUSTOMER;
使用ANALYZE VERBOSE语句更新表customer_info统计信息,并输出表的相关信息:
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ANALYZE VERBOSE CUSTOMER;
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