oracle数据库sql语句,Oracle数据库SQL语句入门指南

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