ORACLE笔记

sqlplus "/as sysdba"

sqlplus /nolog

conn /as sysdba

 

user_tables

dba_users

ALTER USER username ACCOUNT UNLOCK;

ALTER USER username IDENTIFIED password;

DESC tablename;

ORDER BY columnname DESC/ASC

& &&

DEFINE

BETEEN AND

IN

LIKE

DISTINCT

NULLS FIRST/LAST

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