03 2023 档案
摘要:查看是否走索引 explain select id,tenant_id ,orderid,localorderid,item_code ,item_name ,weight,quantity,price,total,sku_id,discountprice,payamount from ORDER_
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摘要:use hive;# mysql元数据库alter table COLUMNS_V2 modify column COMMENT varchar(256) character set utf8;alter table TABLE_PARAMS modify column PARAM_VALUE va
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