1.依次在orclpdb1,orclpdb2,orclpdb3,orclpdb4创建测试数据。
1.创建yuanzj用户,编写脚本
[oracle@yuanzjora19c:/home/oracle/soft]$ vim yuanzj.sql[oracle@yuanzjora19c:/home/oracle/soft]$ cat yuanzj.sqlcreate tablespace yuanzj datafile size 50m autoextend on next 50m maxsize 30g extent management local;create temporary tablespace yuanzj_temp tempfile size 50m autoextend on next 10m maxsize 30g;create user yuanzj identified by yuanzj123 default tablespace yuanzj temporary tablespace yuanzj_temp;grant connect,resource,create any view to yuanzj;grant execute on dbms_job to yuanzj;grant debug connect session to yuanzj;grant dba to yuanzj;alter profile default limit password_life_time unlimited;alter system set deferred_segment_creation=false;
2.分别在orclpdb1,orclpdb2,orclpdb3,orclpdb4执行创建脚本(以orclpdb1为例)
[oracle@yuanzjora19c:/home/oracle/soft]$ sqlplus sys/oracle_4U@orclpdb1 as sysdbaSQL*Plus: Release 19.0.0.0.0 - Production on Fri May 28 19:30:58 2021Version 19.11.0.0.0Copyright (c) 1982, 2020, Oracle. All rights reserved.Connected to:Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - ProductionVersion 19.11.0.0.0SYS@orclpdb1> @yuanzj.sqlTablespace created.Tablespace created.User created.Grant succeeded.Grant succeeded.Grant succeeded.Grant succeeded.Profile altered.System altered.
3.分别在orclpdb1,orclpdb2,orclpdb3,orclpdb4执行创建脚本创建测试数据
a.在orclpdb1创建测试数据
1、创建表test:create table test(id number(4) not null primary key,name varchar(25),age int);2、创建序列sql_test:create sequence seq_testincrement by 4 --每次加几个start with 1 --从1开始计数nomaxvalue --不设置最大值nocycle --直累加,不循环cache 10 ;3、创建触发器tri_test:create trigger tri_testbefore insert on test for each rowwhen (new.id is null)beginselect seq_test.nextval into :new.id from dual;end;/4、像MSSQL中一样插入数据(不需要加ID)insert into test (name, age) Values ('yuanzj', 30);insert into test (name, age) Values ('yuanzj5', 30);
b.在orclpdb2创建测试数据
1、创建表test:create table test(id number(4) not null primary key,name varchar(25),age int);2、创建序列sql_test:create sequence seq_testincrement by 4 --每次加几个start with 2 --从1开始计数nomaxvalue --不设置最大值nocycle --直累加,不循环cache 10 ;3、创建触发器tri_test:create trigger tri_testbefore insert on test for each rowwhen (new.id is null)beginselect seq_test.nextval into :new.id from dual;end;/4、像MSSQL中一样插入数据(不需要加ID)insert into test (name, age) Values ('yuanzj2', 30);insert into test (name, age) Values ('yuanzj6', 30);
c.在orclpdb3创建测试数据
1、创建表test:create table test(id number(4) not null primary key,name varchar(25),age int);2、创建序列sql_test:create sequence seq_testincrement by 4 --每次加几个start with 3 --从1开始计数nomaxvalue --不设置最大值nocycle --直累加,不循环cache 10 ;3、创建触发器tri_test:create trigger tri_testbefore insert on test for each rowwhen (new.id is null)beginselect seq_test.nextval into :new.id from dual;end;/4、像MSSQL中一样插入数据(不需要加ID)insert into test (name, age) Values ('yuanzj3', 30);insert into test (name, age) Values ('yuanzj7', 30);1、创建表test:create table test(id number(4) not null primary key,name varchar(25),age int);
d..在orclpdb4创建测试数据
1、创建表test:create table test(id number(4) not null primary key,name varchar(25),age int);2、创建序列sql_test:create sequence seq_testincrement by 4 --每次加几个start with 4 --从1开始计数nomaxvalue --不设置最大值nocycle --直累加,不循环cache 10 ;3、创建触发器tri_test:create trigger tri_testbefore insert on test for each rowwhen (new.id is null)beginselect seq_test.nextval into :new.id from dual;end;/4、像MSSQL中一样插入数据(不需要加ID)insert into test (name, age) Values ('yuanzj4', 30);insert into test (name, age) Values ('yuanzj8', 30);
注意:注意观察每次个数据库里的序列
文章转载自yuanzj,如果涉嫌侵权,请发送邮件至:contact@modb.pro进行举报,并提供相关证据,一经查实,墨天轮将立刻删除相关内容。




