Oracle的用户

前端之家收集整理的这篇文章主要介绍了Oracle的用户前端之家小编觉得挺不错的,现在分享给大家,也给大家做个参考。
登录sql Plus
系统用户
sys,system :密码是安装数据库时设置,sys用管理员和普通用户登录,system直接登录
sysman: 密码是安装数据库时设置。@H_403_11@
scott: 密码是tiger。@H_403_11@
使用system系统用户登录
[username/password][@server][as sysdba|sysoper]
举例:system/root @orcl as sysdba
解释:orcl就是自己设置得服务名
实例:

@H_403_11@
二 查看登录用户
show user命令
dba_users数据字典
数据字典是数据库提供的表,用于查看数据库的信息。
  1. 请输入用户名:@H_403_11@ system@H_403_11@
  2. 输入口令:@H_403_11@
  3. 连接到:@H_403_11@
  4. Oracle@H_403_11@Database@H_403_11@11g@H_403_11@Enterprise@H_403_11@Edition@H_403_11@Release@H_403_11@11.2@H_403_11@.@H_403_11@0.1@H_403_11@.@H_403_11@0@H_403_11@-@H_403_11@64bit@H_403_11@Production@H_403_11@
  5. With@H_403_11@ the @H_403_11@Partitioning@H_403_11@,@H_403_11@ OLAP@H_403_11@,@H_403_11@Data@H_403_11@Mining@H_403_11@and@H_403_11@Real@H_403_11@Application@H_403_11@Testing@H_403_11@ options@H_403_11@
  6. sql@H_403_11@>@H_403_11@ show user@H_403_11@
  7. USER @H_403_11@为@H_403_11@"SYSTEM"@H_403_11@
  8. sql@H_403_11@>@H_403_11@ desc dba_users@H_403_11@
  9. 名称@H_403_11@是否为空?@H_403_11@类型@H_403_11@
  10. -----------------------------------------@H_403_11@--------@H_403_11@----------------------------@H_403_11@
  11. USERNAME NOT NULL VARCHAR2@H_403_11@(@H_403_11@30@H_403_11@)@H_403_11@
  12. USER_ID NOT NULL NUMBER@H_403_11@
  13. PASSWORD VARCHAR2@H_403_11@(@H_403_11@30@H_403_11@)@H_403_11@
  14. ACCOUNT_STATUS NOT NULL VARCHAR2@H_403_11@(@H_403_11@32@H_403_11@)@H_403_11@
  15. LOCK_DATE DATE@H_403_11@
  16. EXPIRY_DATE DATE@H_403_11@
  17. DEFAULT_TABLESPACE NOT NULL VARCHAR2@H_403_11@(@H_403_11@30@H_403_11@)@H_403_11@
  18. TEMPORARY_TABLESPACE NOT NULL VARCHAR2@H_403_11@(@H_403_11@30@H_403_11@)@H_403_11@
  19. CREATED NOT NULL DATE@H_403_11@
  20. PROFILE NOT NULL VARCHAR2@H_403_11@(@H_403_11@30@H_403_11@)@H_403_11@
  21. INITIAL_RSRC_CONSUMER_GROUP VARCHAR2@H_403_11@(@H_403_11@30@H_403_11@)@H_403_11@
  22. EXTERNAL_NAME VARCHAR2@H_403_11@(@H_403_11@4000@H_403_11@)@H_403_11@
  23. PASSWORD_VERSIONS VARCHAR2@H_403_11@(@H_403_11@8@H_403_11@)@H_403_11@
  24. EDITIONS_ENABLED VARCHAR2@H_403_11@(@H_403_11@1@H_403_11@)@H_403_11@
  25. AUTHENTICATION_TYPE VARCHAR2@H_403_11@(@H_403_11@8@H_403_11@)@H_403_11@
  26. sql@H_403_11@>@H_403_11@select@H_403_11@ username @H_403_11@from@H_403_11@ dba_users@H_403_11@;@H_403_11@
  27. USERNAME@H_403_11@
  28. ------------------------------@H_403_11@
  29. MGMT_VIEW@H_403_11@
  30. SYS@H_403_11@
  31. SYSTEM@H_403_11@
  32. DBSNMP@H_403_11@
  33. SYSMAN@H_403_11@
  34. OUTLN@H_403_11@
  35. FLOWS_FILES@H_403_11@
  36. MDSYS@H_403_11@
  37. ORDSYS@H_403_11@
  38. EXFSYS@H_403_11@
  39. WMSYS@H_403_11@
  40. USERNAME@H_403_11@
  41. ------------------------------@H_403_11@
  42. APPQOSSYS@H_403_11@
  43. APEX_030200@H_403_11@
  44. OWBSYS_AUDIT@H_403_11@
  45. ORDDATA@H_403_11@
  46. CTXSYS@H_403_11@
  47. ANONYMOUS@H_403_11@
  48. XDB@H_403_11@
  49. ORDPLUGINS@H_403_11@
  50. OWBSYS@H_403_11@
  51. SI_INFORMTN_SCHEMA@H_403_11@
  52. OLAPSYS@H_403_11@
  53. USERNAME@H_403_11@
  54. ------------------------------@H_403_11@
  55. SCOTT@H_403_11@
  56. ORACLE_OCM@H_403_11@
  57. XS$NULL@H_403_11@
  58. BI@H_403_11@
  59. PM@H_403_11@
  60. MDDATA@H_403_11@
  61. IX@H_403_11@
  62. SH@H_403_11@
  63. DIP@H_403_11@
  64. OE@H_403_11@
  65. APEX_PUBLIC_USER@H_403_11@
  66. USERNAME@H_403_11@
  67. ------------------------------@H_403_11@
  68. HR@H_403_11@
  69. SPATIAL_CSW_ADMIN_USR@H_403_11@
  70. SPATIAL_WFS_ADMIN_USR@H_403_11@
  71. 已选择@H_403_11@36@H_403_11@行。@H_403_11@
三 启用scott用户(默认用户之一)
启用用户的语句
ater user username account unlock
使用scott用户登录sql Plus
  1. sql@H_403_11@>@H_403_11@ alter user scott account unlock@H_403_11@;@H_403_11@
  2. 用户已更改。@H_403_11@
  3. sql@H_403_11@>@H_403_11@ connect scott@H_403_11@/@H_403_11@tiger@H_403_11@
  4. ERROR@H_403_11@:@H_403_11@
  5. ORA@H_403_11@-@H_403_11@28001@H_403_11@:@H_403_11@ the password has expired@H_403_11@
  6. 更改@H_403_11@ scott @H_403_11@的口令@H_403_11@
  7. 新口令:@H_403_11@
  8. 重新键入新口令:@H_403_11@
  9. 口令已更改@H_403_11@
  10. 已连接。@H_403_11@
  11. sql@H_403_11@>@H_403_11@ show user@H_403_11@
  12. USER @H_403_11@为@H_403_11@"SCOTT"@H_403_11@

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