摘要:
创建删除查看node group create node group wxy_node_group with (dn_6004_6005_6006); drop node group wxy_node_group; select * from pgxc_group; SELECT group_nam 阅读全文
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sql语句学习网站 https://www.runoob.com/sql/sql-join.html sql语句 select oid from pg_class where relname='foo'; select oid from pg_proc; select * from pg_proc 阅读全文
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创建非空约束 create database test with template = template0 encoding='UTF8' lc_collate='C' lc_ctype='C'; \c test create table tbl_null (a int not null,b var 阅读全文