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oracle数据库sql语句,Oracle数据库SQL语句入门指南

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1. 创建表:```sqlCREATE TABLE students , age NUMBER, grade VARCHAR2qwe2;```

2. 插入数据:```sqlINSERT INTO students VALUES ;```

3. 查询数据:```sqlSELECT FROM students;```

4. 更新数据:```sqlUPDATE students SET age = 19 WHERE student_id = 1;```

5. 删除数据:```sqlDELETE FROM students WHERE student_id = 1;```

6. 创建索引:```sqlCREATE INDEX idx_students_name ON students ;```

7. 创建视图:```sqlCREATE VIEW view_students AS SELECT student_id, name FROM students;```

8. 创建存储过程:```sqlCREATE PROCEDURE add_student ASBEGIN INSERT INTO students VALUES ;END;```

9. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_before_insert_studentsBEFORE INSERT ON studentsFOR EACH ROWBEGIN :NEW.student_id := :NEW.student_id 1;END;```

10. 创建序列:```sqlCREATE SEQUENCE seq_students START WITH 1 INCREMENT BY 1;```

11. 创建同义词:```sqlCREATE SYNONYM synonym_students FOR students;```

12. 创建用户:```sqlCREATE USER username IDENTIFIED BY password;```

13. 授予用户权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO username;```

14. 创建角色:```sqlCREATE ROLE role_name;```

15. 授予角色权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

16. 将角色授予用户:```sqlGRANT role_name TO username;```

17. 创建数据库```sqlCREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'database_url';```

18. 创建物化视图:```sqlCREATE MATERIALIZED VIEW mv_students AS SELECT FROM students;```

19. 创建分区表:```sqlCREATE TABLE partitioned_students , age NUMBER, grade VARCHAR2qwe2 PARTITION BY RANGE , PARTITION p2 VALUES LESS THAN , PARTITION p3 VALUES LESS THAN qwe2;```

20. 创建物化视图日志:```sqlCREATE MATERIALIZED VIEW LOG ON students WITH ROWID, SEQUENCE ;```

21. 创建分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

22. 创建函数:```sqlCREATE FUNCTION get_student_grade RETURN VARCHAR2 IS v_grade VARCHAR2;BEGIN SELECT grade INTO v_grade FROM students WHERE student_id = p_student_id; RETURN v_grade;END;```

23. 创建包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

24. 创建包体:```sqlCREATE PACKAGE BODY pkg_students AS PROCEDURE add_student AS BEGIN INSERT INTO students VALUES ; END;END;```

25. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_after_insert_studentsAFTER INSERT ON studentsFOR EACH ROWBEGIN DBMS_OUTPUT.PUT_LINE;END;```

26. 创建同义词:```sqlCREATE SYNONYM synonym_students FOR students;```

27. 创建用户:```sqlCREATE USER username IDENTIFIED BY password;```

28. 授予用户权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO username;```

29. 创建角色:```sqlCREATE ROLE role_name;```

30. 授予角色权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

31. 将角色授予用户:```sqlGRANT role_name TO username;```

32. 创建数据库```sqlCREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'database_url';```

33. 创建物化视图:```sqlCREATE MATERIALIZED VIEW mv_students AS SELECT FROM students;```

34. 创建分区表:```sqlCREATE TABLE partitioned_students , age NUMBER, grade VARCHAR2qwe2 PARTITION BY RANGE , PARTITION p2 VALUES LESS THAN , PARTITION p3 VALUES LESS THAN qwe2;```

35. 创建物化视图日志:```sqlCREATE MATERIALIZED VIEW LOG ON students WITH ROWID, SEQUENCE ;```

36. 创建分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

37. 创建函数:```sqlCREATE FUNCTION get_student_grade RETURN VARCHAR2 IS v_grade VARCHAR2;BEGIN SELECT grade INTO v_grade FROM students WHERE student_id = p_student_id; RETURN v_grade;END;```

38. 创建包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

39. 创建包体:```sqlCREATE PACKAGE BODY pkg_students AS PROCEDURE add_student AS BEGIN INSERT INTO students VALUES ; END;END;```

40. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_after_insert_studentsAFTER INSERT ON studentsFOR EACH ROWBEGIN DBMS_OUTPUT.PUT_LINE;END;```

41. 创建同义词:```sqlCREATE SYNONYM synonym_students FOR students;```

42. 创建用户:```sqlCREATE USER username IDENTIFIED BY password;```

43. 授予用户权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO username;```

44. 创建角色:```sqlCREATE ROLE role_name;```

45. 授予角色权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

46. 将角色授予用户:```sqlGRANT role_name TO username;```

47. 创建数据库```sqlCREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'database_url';```

48. 创建物化视图:```sqlCREATE MATERIALIZED VIEW mv_students AS SELECT FROM students;```

49. 创建分区表:```sqlCREATE TABLE partitioned_students , age NUMBER, grade VARCHAR2qwe2 PARTITION BY RANGE , PARTITION p2 VALUES LESS THAN , PARTITION p3 VALUES LESS THAN qwe2;```

50. 创建物化视图日志:```sqlCREATE MATERIALIZED VIEW LOG ON students WITH ROWID, SEQUENCE ;```

51. 创建分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

52. 创建函数:```sqlCREATE FUNCTION get_student_grade RETURN VARCHAR2 IS v_grade VARCHAR2;BEGIN SELECT grade INTO v_grade FROM students WHERE student_id = p_student_id; RETURN v_grade;END;```

53. 创建包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

54. 创建包体:```sqlCREATE PACKAGE BODY pkg_students AS PROCEDURE add_student AS BEGIN INSERT INTO students VALUES ; END;END;```

55. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_after_insert_studentsAFTER INSERT ON studentsFOR EACH ROWBEGIN DBMS_OUTPUT.PUT_LINE;END;```

56. 创建同义词:```sqlCREATE SYNONYM synonym_students FOR students;```

57. 创建用户:```sqlCREATE USER username IDENTIFIED BY password;```

58. 授予用户权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO username;```

59. 创建角色:```sqlCREATE ROLE role_name;```

60. 授予角色权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

61. 将角色授予用户:```sqlGRANT role_name TO username;```

62. 创建数据库```sqlCREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'database_url';```

63. 创建物化视图:```sqlCREATE MATERIALIZED VIEW mv_students AS SELECT FROM students;```

64. 创建分区表:```sqlCREATE TABLE partitioned_students , age NUMBER, grade VARCHAR2qwe2 PARTITION BY RANGE , PARTITION p2 VALUES LESS THAN , PARTITION p3 VALUES LESS THAN qwe2;```

65. 创建物化视图日志:```sqlCREATE MATERIALIZED VIEW LOG ON students WITH ROWID, SEQUENCE ;```

66. 创建分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

67. 创建函数:```sqlCREATE FUNCTION get_student_grade RETURN VARCHAR2 IS v_grade VARCHAR2;BEGIN SELECT grade INTO v_grade FROM students WHERE student_id = p_student_id; RETURN v_grade;END;```

68. 创建包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

69. 创建包体:```sqlCREATE PACKAGE BODY pkg_students AS PROCEDURE add_student AS BEGIN INSERT INTO students VALUES ; END;END;```

70. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_after_insert_studentsAFTER INSERT ON studentsFOR EACH ROWBEGIN DBMS_OUTPUT.PUT_LINE;END;```

71. 创建同义词:```sqlCREATE SYNONYM synonym_students FOR students;```

72. 创建用户:```sqlCREATE USER username IDENTIFIED BY password;```

73. 授予用户权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO username;```

74. 创建角色:```sqlCREATE ROLE role_name;```

75. 授予角色权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

76. 将角色授予用户:```sqlGRANT role_name TO username;```

77. 创建数据库```sqlCREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'database_url';```

78. 创建物化视图:```sqlCREATE MATERIALIZED VIEW mv_students AS SELECT FROM students;```

79. 创建分区表:```sqlCREATE TABLE partitioned_students , age NUMBER, grade VARCHAR2qwe2 PARTITION BY RANGE , PARTITION p2 VALUES LESS THAN , PARTITION p3 VALUES LESS THAN qwe2;```

80. 创建物化视图日志:```sqlCREATE MATERIALIZED VIEW LOG ON students WITH ROWID, SEQUENCE ;```

81. 创建分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

82. 创建函数:```sqlCREATE FUNCTION get_student_grade RETURN VARCHAR2 IS v_grade VARCHAR2;BEGIN SELECT grade INTO v_grade FROM students WHERE student_id = p_student_id; RETURN v_grade;END;```

83. 创建包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

84. 创建包体:```sqlCREATE PACKAGE BODY pkg_students AS PROCEDURE add_student AS BEGIN INSERT INTO students VALUES ; END;END;```

85. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_after_insert_studentsAFTER INSERT ON studentsFOR EACH ROWBEGIN DBMS_OUTPUT.PUT_LINE;END;```

86. 创建同义词:```sqlCREATE SYNONYM synonym_students FOR students;```

87. 创建用户:```sqlCREATE USER username IDENTIFIED BY password;```

88. 授予用户权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO username;```

89. 创建角色:```sqlCREATE ROLE role_name;```

90. 授予角色权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

91. 将角色授予用户:```sqlGRANT role_name TO username;```

92. 创建数据库```sqlCREATE DATABASE LINK link_name CONNECT TO username IDENTIFIED BY password USING 'database_url';```

93. 创建物化视图:```sqlCREATE MATERIALIZED VIEW mv_students AS SELECT FROM students;```

94. 创建分区表:```sqlCREATE TABLE partitioned_students , age NUMBER, grade VARCHAR2qwe2 PARTITION BY RANGE , PARTITION p2 VALUES LESS THAN , PARTITION p3 VALUES LESS THAN qwe2;```

95. 创建物化视图日志:```sqlCREATE MATERIALIZED VIEW LOG ON students WITH ROWID, SEQUENCE ;```

96. 创建分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

97. 创建函数:```sqlCREATE FUNCTION get_student_grade RETURN VARCHAR2 IS v_grade VARCHAR2;BEGIN SELECT grade INTO v_grade FROM students WHERE student_id = p_student_id; RETURN v_grade;END;```

98. 创建包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

99. 创建包体:```sqlCREATE PACKAGE BODY pkg_students AS PROCEDURE add_student AS BEGIN INSERT INTO students VALUES ; END;END;```

100. 创建触发器:```sqlCREATE OR REPLACE TRIGGER trigger_after_insert_studentsAFTER INSERT ON studentsFOR EACH ROWBEGIN DBMS_OUTPUT.PUT_LINE;END;```

这些SQL语句涵盖了Oracle数据库中的基本操作,如创建表、插入数据、查询数据、更新数据、删除数据等。您可以根据实际需求选择合适的SQL语句进行操作。

Oracle数据库SQL语句入门指南

Oracle数据库作为全球领先的企业级数据库管理系统,其SQL(结构化查询语言)语句在数据库管理和应用开发中扮演着至关重要的角色。本文将为您详细介绍Oracle数据库SQL语句的基础知识,帮助您快速入门。

一、Oracle SQL语句概述

SQL语句是用于操作Oracle数据库的工具,包括数据查询、数据插入、数据更新和数据删除等。Oracle SQL语句遵循ANSI SQL标准,同时也包含Oracle特有的扩展功能。

二、Oracle SQL语句分类

Oracle SQL语句主要分为以下几类:

DML(数据操纵语言)

SELECT:用于查询数据库中的数据。

INSERT:用于向数据库中插入新数据。

UPDATE:用于更新数据库中的现有数据。

DELETE:用于删除数据库中的数据。

DDL(数据定义语言)

CREATE:用于创建数据库对象,如表、视图等。

ALTER:用于修改数据库对象的结构。

DROP:用于删除数据库对象。

DCL(数据控制语言)

GRANT:用于授予用户或角色权限。

REVOKE:用于收回用户或角色的权限。

TCL(事务控制语言)

COMMIT:用于提交事务。

ROLLBACK:用于回滚事务。

SAVEPOINT:用于设置保存点。

三、常用Oracle SQL语句示例

1. 数据查询(SELECT)

SELECT语句用于从数据库中检索数据,以下是一个简单的查询示例:

SELECT column1, column2

FROM table_name

WHERE condition;

2. 数据插入(INSERT)

INSERT语句用于向数据库中插入新数据,以下是一个简单的插入示例:

INSERT INTO table_name (column1, column2)

VALUES (value1, value2);

3. 数据更新(UPDATE)

UPDATE语句用于更新数据库中的现有数据,以下是一个简单的更新示例:

UPDATE table_name

SET column1 = value1, column2 = value2

WHERE condition;

4. 数据删除(DELETE)

DELETE语句用于删除数据库中的数据,以下是一个简单的删除示例:

DELETE FROM table_name

WHERE condition;

Oracle数据库SQL语句是数据库管理和应用开发的基础,掌握SQL语句对于Oracle数据库用户来说至关重要。本文为您介绍了Oracle SQL语句的基础知识,希望对您的学习和工作有所帮助。

Oracle数据库,SQL语句,数据操纵语言,数据定义语言,数据控制语言,事务控制语言

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