Oracle解锁与加锁（hr用户为例）-Mysql Tutorial-php.cn

Home

Database

Mysql Tutorial

Oracle解锁与加锁（hr用户为例）

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 07, 2016 pm 03:15 PM

oracleLockuserUnlockEnter

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入 SQL*Plus: Release 9.2.0.4.0 - Production on Tue Jul 14 18:12:38 2009 Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved. SQL conn sys/sys as sysdba Connected. SQL show u

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入

　　SQL*Plus: Release 9.2.0.4.0 - Production on Tue Jul 14 18:12:38 2009

　　SQL> conn sys/sys as sysdba

　　Connected.

　　SQL> show user

　　USER is "SYS"

　　SQL> desc dba_users

　　Name Null? Type

　　----------------------------------------- -------- ----------------------------

　　USERNAME NOT NULL VARCHAR2(30)

　　USER_ID NOT NULL NUMBER

　　PASSWORD VARCHAR2(30)

　　ACCOUNT_STATUS NOT NULL VARCHAR2(32)

　　LOCK_DATE DATE

　　EXPIRY_DATE DATE

　　DEFAULT_TABLESPACE NOT NULL VARCHAR2(30)

　　TEMPORARY_TABLESPACE NOT NULL VARCHAR2(30)

　　CREATED NOT NULL DATE

　　PROFILE NOT NULL VARCHAR2(30)

　　INITIAL_RSRC_CONSUMER_GROUP VARCHAR2(30)

　　EXTERNAL_NAME VARCHAR2(4000)

　　SQL> set lines 200

　　SQL> select username,account_status from dba_users;

　　USERNAME ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS OPEN

　　SYSTEM OPEN

　　DBSNMP OPEN

　　SCOTT OPEN

　　OUTLN EXPIRED & LOCKED

　　WMSYS EXPIRED & LOCKED

　　ORDSYS EXPIRED & LOCKED

　　ORDPLUGINS EXPIRED & LOCKED

　　MDSYS EXPIRED & LOCKED

　　CTXSYS EXPIRED & LOCKED

　　XDB EXPIRED & LOCKED

　　USERNAME ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　ANONYMOUS EXPIRED & LOCKED

　　WKSYS EXPIRED & LOCKED

　　WKPROXY EXPIRED & LOCKED

　　ODM EXPIRED & LOCKED

　　ODM_MTR EXPIRED & LOCKED

　　OLAPSYS EXPIRED & LOCKED

　　HR EXPIRED & LOCKED

　　OE EXPIRED & LOCKED

　　PM EXPIRED & LOCKED

　　SQL> alter user hr account unlock;（解锁）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS OPEN

　　SYSTEM OPEN

　　DBSNMP OPEN

　　SCOTT OPEN

　　HR EXPIRED

　　OUTLN EXPIRED & LOCKED

　　WMSYS EXPIRED & LOCKED

　　ORDSYS EXPIRED & LOCKED

　　ORDPLUGINS EXPIRED & LOCKED

　　QL> alter user hr identified by hr;（更改密码）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS OPEN

　　SYSTEM OPEN

　　DBSNMP OPEN

　　SCOTT OPEN

　　HR OPEN

　　OUTLN EXPIRED & LOCKED

　　SQL> conn hr/hr

　　Connected.

　　SQL> conn /as sysdba

　　Connected.

　　SQL> alter user hr account lock;（加锁）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS OPEN

　　SYSTEM OPEN

　　DBSNMP OPEN

　　SCOTT OPEN

　　HR LOCKED

　　OUTLN EXPIRED & LOCKED

　　SQL> alter user hr password expire;（密码失效）

　　User altered.

　　SQL> select username,account_status from dba_users;

　　USERNAME ACCOUNT_STATUS

　　------------------------------ --------------------------------

　　SYS OPEN

　　SYSTEM OPEN

　　DBSNMP OPEN

　　SCOTT OPEN

　　OUTLN EXPIRED & LOCKED

　　WMSYS EXPIRED & LOCKED

　　OLAPSYS EXPIRED & LOCKED

　　HR EXPIRED & LOCKED

　　OE EXPIRED & LOCKED

　　PM EXPIRED & LOCKED

　　SQL> conn hr/hr

　　ERROR:

　　ORA-28000: the account is locked

　　Warning: You are no longer connected to ORACLE.

Oracle解锁与加锁（hr用户为例）

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

What Are the Limitations of Using Views in MySQL?May 14, 2025 am 12:10 AM

MySQLviewshavelimitations:1)Theydon'tsupportallSQLoperations,restrictingdatamanipulationthroughviewswithjoinsorsubqueries.2)Theycanimpactperformance,especiallywithcomplexqueriesorlargedatasets.3)Viewsdon'tstoredata,potentiallyleadingtooutdatedinforma

Securing Your MySQL Database: Adding Users and Granting PrivilegesMay 14, 2025 am 12:09 AM

ProperusermanagementinMySQLiscrucialforenhancingsecurityandensuringefficientdatabaseoperation.1)UseCREATEUSERtoaddusers,specifyingconnectionsourcewith@'localhost'or@'%'.2)GrantspecificprivilegeswithGRANT,usingleastprivilegeprincipletominimizerisks.3)

What Factors Influence the Number of Triggers I Can Use in MySQL?May 14, 2025 am 12:08 AM

MySQLdoesn'timposeahardlimitontriggers,butpracticalfactorsdeterminetheireffectiveuse:1)Serverconfigurationimpactstriggermanagement;2)Complextriggersincreasesystemload;3)Largertablesslowtriggerperformance;4)Highconcurrencycancausetriggercontention;5)M

MySQL: Is it safe to store BLOB?May 14, 2025 am 12:07 AM

Yes,it'ssafetostoreBLOBdatainMySQL,butconsiderthesefactors:1)StorageSpace:BLOBscanconsumesignificantspace,potentiallyincreasingcostsandslowingperformance.2)Performance:LargerrowsizesduetoBLOBsmayslowdownqueries.3)BackupandRecovery:Theseprocessescanbe

MySQL: Adding a user through a PHP web interfaceMay 14, 2025 am 12:04 AM

Adding MySQL users through the PHP web interface can use MySQLi extensions. The steps are as follows: 1. Connect to the MySQL database and use the MySQLi extension. 2. Create a user, use the CREATEUSER statement, and use the PASSWORD() function to encrypt the password. 3. Prevent SQL injection and use the mysqli_real_escape_string() function to process user input. 4. Assign permissions to new users and use the GRANT statement.

MySQL: BLOB and other no-sql storage, what are the differences?May 13, 2025 am 12:14 AM

MySQL'sBLOBissuitableforstoringbinarydatawithinarelationaldatabase,whileNoSQLoptionslikeMongoDB,Redis,andCassandraofferflexible,scalablesolutionsforunstructureddata.BLOBissimplerbutcanslowdownperformancewithlargedata;NoSQLprovidesbetterscalabilityand

MySQL Add User: Syntax, Options, and Security Best PracticesMay 13, 2025 am 12:12 AM

ToaddauserinMySQL,use:CREATEUSER'username'@'host'IDENTIFIEDBY'password';Here'showtodoitsecurely:1)Choosethehostcarefullytocontrolaccess.2)SetresourcelimitswithoptionslikeMAX_QUERIES_PER_HOUR.3)Usestrong,uniquepasswords.4)EnforceSSL/TLSconnectionswith

MySQL: How to avoid String Data Types common mistakes?May 13, 2025 am 12:09 AM

ToavoidcommonmistakeswithstringdatatypesinMySQL,understandstringtypenuances,choosetherighttype,andmanageencodingandcollationsettingseffectively.1)UseCHARforfixed-lengthstrings,VARCHARforvariable-length,andTEXT/BLOBforlargerdata.2)Setcorrectcharacters

See all articles

Hot AI Tools

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress images for free

Clothoff.io

AI clothes remover

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

How to fix KB5055612 fails to install in Windows 10?

4 weeks agoByDDD

Roblox: Grow A Garden - Complete Mutation Guide

3 weeks agoByDDD

Roblox: Bubble Gum Simulator Infinity - How To Get And Use Royal Keys

3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Nordhold: Fusion System, Explained

4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Mandragora: Whispers Of The Witch Tree - How To Unlock The Grappling Hook

3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Easy-to-use and free code editor

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.