摘要:
postgrep数据库新建函数 create function get_id_by_field(p_table_name text, p_field_value text) returns text security definer language plpgsql as $$ DECLARE v_ 阅读全文
摘要:
SELECT x.relname AS 表英文名, bn.table_comment AS 表中文名, x.attnum, x.字段名称, x.字段类型, x.字段长度, x.字段说明 FROM ( SELECT c.relname, a.attnum, a.attname AS 字段名称, CAS 阅读全文
摘要:
Java二进制操作符只有7个,如下 OperatorDescription ~ Unary bitwise complement << Signed left shift >> Signed right shift >>> Unsigned right shift & Bitwise AND ^ B 阅读全文