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oracle数据库sql句子,Oracle数据库SQL句子入门攻略

2025-01-22数据库 阅读 1

1. 创立表:```sqlCREATE TABLE students , age NUMBER, grade VARCHAR2qwe2;```

2. 刺进数据:```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. 删去数据:```sqlDELETE FROM students WHERE student_id = 1;```

6. 创立索引:```sqlCREATE INDEX idx_students_name ON students ;```

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

8. 创立存储进程:```sqlCREATE PROCEDURE add_student ASBEGIN INSERT INTO students VALUES ;END;```

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

10. 创立序列:```sqlCREATE SEQUENCE seq_students START WITH 1 INCREMENT BY 1;```

11. 创立近义词:```sqlCREATE SYNONYM synonym_students FOR students;```

12. 创立用户:```sqlCREATE USER username IDENTIFIED BY password;```

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

14. 创立人物:```sqlCREATE ROLE role_name;```

15. 颁发人物权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

16. 将人物颁发用户:```sqlGRANT role_name TO username;```

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

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

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

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

21. 创立分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

22. 创立函数:```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. 创立包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

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

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

26. 创立近义词:```sqlCREATE SYNONYM synonym_students FOR students;```

27. 创立用户:```sqlCREATE USER username IDENTIFIED BY password;```

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

29. 创立人物:```sqlCREATE ROLE role_name;```

30. 颁发人物权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

31. 将人物颁发用户:```sqlGRANT role_name TO username;```

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

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

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

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

36. 创立分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

37. 创立函数:```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. 创立包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

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

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

41. 创立近义词:```sqlCREATE SYNONYM synonym_students FOR students;```

42. 创立用户:```sqlCREATE USER username IDENTIFIED BY password;```

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

44. 创立人物:```sqlCREATE ROLE role_name;```

45. 颁发人物权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

46. 将人物颁发用户:```sqlGRANT role_name TO username;```

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

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

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

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

51. 创立分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

52. 创立函数:```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. 创立包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

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

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

56. 创立近义词:```sqlCREATE SYNONYM synonym_students FOR students;```

57. 创立用户:```sqlCREATE USER username IDENTIFIED BY password;```

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

59. 创立人物:```sqlCREATE ROLE role_name;```

60. 颁发人物权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

61. 将人物颁发用户:```sqlGRANT role_name TO username;```

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

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

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

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

66. 创立分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

67. 创立函数:```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. 创立包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

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

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

71. 创立近义词:```sqlCREATE SYNONYM synonym_students FOR students;```

72. 创立用户:```sqlCREATE USER username IDENTIFIED BY password;```

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

74. 创立人物:```sqlCREATE ROLE role_name;```

75. 颁发人物权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

76. 将人物颁发用户:```sqlGRANT role_name TO username;```

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

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

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

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

81. 创立分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

82. 创立函数:```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. 创立包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

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

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

86. 创立近义词:```sqlCREATE SYNONYM synonym_students FOR students;```

87. 创立用户:```sqlCREATE USER username IDENTIFIED BY password;```

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

89. 创立人物:```sqlCREATE ROLE role_name;```

90. 颁发人物权限:```sqlGRANT SELECT, INSERT, UPDATE, DELETE ON students TO role_name;```

91. 将人物颁发用户:```sqlGRANT role_name TO username;```

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

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

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

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

96. 创立分区索引:```sqlCREATE INDEX idx_students_name ON partitioned_students LOCAL;```

97. 创立函数:```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. 创立包:```sqlCREATE PACKAGE pkg_students AS PROCEDURE add_student ;END;```

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

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

这些SQL句子涵盖了Oracle数据库中的根本操作,如创立表、刺进数据、查询数据、更新数据、删去数据等。您能够依据实践需求挑选适宜的SQL句子进行操作。

Oracle数据库SQL句子入门攻略

Oracle数据库作为全球抢先的企业级数据库办理体系,其SQL(结构化查询言语)句子在数据库办理和使用开发中扮演着至关重要的人物。本文将为您具体介绍Oracle数据库SQL句子的根底知识,协助您快速入门。

一、Oracle SQL句子概述

SQL句子是用于操作Oracle数据库的东西,包括数据查询、数据刺进、数据更新和数据删去等。Oracle SQL句子遵从ANSI SQL规范,一起也包括Oracle特有的扩展功用。

二、Oracle SQL句子分类

Oracle SQL句子首要分为以下几类:

DML(数据操作言语)

SELECT:用于查询数据库中的数据。

INSERT:用于向数据库中刺进新数据。

UPDATE:用于更新数据库中的现有数据。

DELETE:用于删去数据库中的数据。

DDL(数据界说言语)

CREATE:用于创立数据库目标,如表、视图等。

ALTER:用于修正数据库目标的结构。

DROP:用于删去数据库目标。

DCL(数据操控言语)

GRANT:用于颁发用户或人物权限。

REVOKE:用于回收用户或人物的权限。

TCL(业务操控言语)

COMMIT:用于提交业务。

ROLLBACK:用于回滚业务。

SAVEPOINT:用于设置保存点。

三、常用Oracle SQL句子示例

1. 数据查询(SELECT)

SELECT句子用于从数据库中检索数据,以下是一个简略的查询示例:

SELECT column1, column2

FROM table_name

WHERE condition;

2. 数据刺进(INSERT)

INSERT句子用于向数据库中刺进新数据,以下是一个简略的刺进示例:

INSERT INTO table_name (column1, column2)

VALUES (value1, value2);

3. 数据更新(UPDATE)

UPDATE句子用于更新数据库中的现有数据,以下是一个简略的更新示例:

UPDATE table_name

SET column1 = value1, column2 = value2

WHERE condition;

4. 数据删去(DELETE)

DELETE句子用于删去数据库中的数据,以下是一个简略的删去示例:

DELETE FROM table_name

WHERE condition;

Oracle数据库SQL句子是数据库办理和使用开发的根底,把握SQL句子关于Oracle数据库用户来说至关重要。本文为您介绍了Oracle SQL句子的根底知识,期望对您的学习和作业有所协助。

Oracle数据库,SQL句子,数据操作言语,数据界说言语,数据操控言语,业务操控言语

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