各数据库修改用户密码
PG
alter user XXx with password 'XXX';
SQLServer
alter login xxx with password='XXX';
Oracle
alter user XXX identified by XXX;
DM
alter user XxX identified by "XXX";
MysQL
alter user XXX IDENTIFIED by "XXX";
Oscar
ALTER USER XXX WITH PASSWORD 'XXX';
KingBase
ALTER USER XXX WITH PASSWORD 'XXX';