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OracleDELETE删除记录sql语句用法

来源:动视网 责编:小采 时间:2020-11-09 10:05:43
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OracleDELETE删除记录sql语句用法

OracleDELETE删除记录sql语句用法:语法与其它的sql是一样的,如下 DELETE FROM COURSES WHERE COURSE_DESIGNATER = 'Java110' 按条件比较复杂的操作方法 DELETE FROM CLASSCONVENINGS WHERE CLASSES_NUM_FK > 4 AND CLASS_CONVENE_DATE = TO
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导读OracleDELETE删除记录sql语句用法:语法与其它的sql是一样的,如下 DELETE FROM COURSES WHERE COURSE_DESIGNATER = 'Java110' 按条件比较复杂的操作方法 DELETE FROM CLASSCONVENINGS WHERE CLASSES_NUM_FK > 4 AND CLASS_CONVENE_DATE = TO


删除指定的内容

SQL> CREATE TABLE project (
2 pro_id NUMBER(4),
3 pro_name VARCHAR2(40),
4 budget NUMBER(9,2),
5 CONSTRAINT project_pk PRIMARY KEY (pro_id)
6 );

Table created.

SQL>
SQL>
SQL> INSERT INTO project(pro_id, pro_name, budget)VALUES (1001, 'A',1912000);

1 row created.

SQL> INSERT INTO project(pro_id, pro_name, budget)VALUES (1002, 'ERP',9999999);

1 row created.

SQL> INSERT INTO project(pro_id, pro_name, budget)VALUES (1003, 'SQL',7000);

1 row created.

SQL> INSERT INTO project(pro_id, pro_name, budget)VALUES (1004, 'CRM',294000);

1 row created.

SQL> INSERT INTO project(pro_id, pro_name, budget)VALUES (1005, 'VPN',415000);

1 row created.

SQL>
SQL>
SQL> SET ECHO ON
SQL> DELETE
2 FROM project
3 WHERE pro_id = 1006
4

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OracleDELETE删除记录sql语句用法

OracleDELETE删除记录sql语句用法:语法与其它的sql是一样的,如下 DELETE FROM COURSES WHERE COURSE_DESIGNATER = 'Java110' 按条件比较复杂的操作方法 DELETE FROM CLASSCONVENINGS WHERE CLASSES_NUM_FK > 4 AND CLASS_CONVENE_DATE = TO
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标签: 删除 记录 sql
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