摘要:
select sum(c) into cc from ( (select 1 as c from qhdata_warehouse_north_stat.dw_ytb_org_base where occur_period = max_period limit 1 ) union all (sele 阅读全文
摘要:
show variables where Variable_name like 'COLLATION%' collation_connection utf8mb4_0900_ai_cicollation_database utf8mb4_general_cicollation_server utf8 阅读全文