oracle数据库sql句子,Oracle数据库SQL句子入门攻略
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
猜你喜欢
- 数据库
大数据对科技的影响,科技开展的新引擎
大数据对科技的影响是深远的,它正在改动咱们与国际互动的办法,推进科技立异,并重塑各个工作。以下是大数据对科技影响的一些要害方面:1.人工智能和机器学习:大数据为人工智能(AI)和机器学习(ML)供给了很多的练习数据,使得算法能够更精确地学...
2025-01-22 0 - 数据库
sql别离数据库,什么是SQL别离数据库?
别离数据库一般意味着将一个数据库从其当时的环境中移除,以便将其移动到另一个方位或环境。这一般涉及到将数据库的数据文件和业务日志文件从原始方位仿制到新方位,并在新方位从头装备数据库。在SQLServer中,别离数据库的进程包含以下几个进...
2025-01-22 0 - 数据库
linux装置oracle数据库,Linux环境下装置Oracle数据库的具体攻略
在Linux上装置Oracle数据库是一个多进程的进程,需求保证你的体系满意Oracle的最低要求,并装置必要的依靠项。以下是一个根本的进程攻略,协助你开端装置:体系要求1.操作体系:Oracle支撑多种Linux发行版,包含RedH...
2025-01-22 0 - 数据库
大数据操作体系,大数据操作体系概述
大数据操作体系是一个专门为处理和剖析大规模数据集而规划的软件体系。它一般包含以下几个要害组件:1.数据存储:大数据操作体系需求能够存储和办理很多的数据。这一般经过散布式文件体系来完成,如Hadoop的HDFS(HadoopDistrib...
2025-01-22 0 - 数据库
SQL数据库有哪些, 什么是SQL数据库?
1.MySQL:由Oracle公司支撑的开源联系数据库办理体系,广泛使用于Web使用中。2.PostgreSQL:一个功能强壮的开源目标联系型数据库体系,具有强壮的扩展性和可靠性。3.MicrosoftSQLServer:由微软开...
2025-01-22 0 - 数据库
db2创立数据库,DB2数据库创立攻略
在DB2中创立数据库的进程一般包含确认数据库的称号、巨细、存储方位等参数。以下是一个根本的进程攻略:1.确认数据库的称号和途径。一般,数据库的称号应该简略且具有描述性,途径应该是一个有满足空间的当地。2.翻开DB2指令行界面或运用图形界...
2025-01-22 0 - 数据库
数据库衔接方法,数据库衔接方法概述
数据库衔接方法概述在当今的信息化年代,数据库作为数据存储和办理的中心,其衔接方法的挑选关于体系的稳定性和功用至关重要。数据库衔接方法指的是客户端程序与数据库服务器之间树立通讯的途径。本文将详细介绍几种常见的数据库衔接方法,协助读者了解其特色...
2025-01-22 0 - 数据库
数据库办理体系是体系软件吗,什么是数据库办理体系(DBMS)
是的,数据库办理体系(DatabaseManagementSystem,简称DBMS)是一种体系软件。它用于办理和安排数据库中的数据,供给数据存储、检索、更新、备份和康复等功用。DBMS是数据库体系的中心组件,它使得用户和应用程序能够方...
2025-01-22 0