1、建立測試表,create table test_con_x(company_name varchar(200), remark varchar2(200));
2、插入測試資料,
insert into test_con_x values("中心學校","學校");
insert into test_con_x values("北京銀行","銀行");
insert into test_con_x values("人民保險","保險");
insert into test_con_x values("金融公司","金融");
insert into test_con_x values("無所謂","XX");
3、查詢表中所有資料,select t.*, rowid from test_con_x t;
4、編寫sql,根據指定條件查詢所需資料,
select t.*, rowid from test_con_x t
where regexp_like(company_name,"學校|銀行|保險|金融")
可以看到只有四條所需記錄,
1、建立測試表,create table test_con_x(company_name varchar(200), remark varchar2(200));
2、插入測試資料,
insert into test_con_x values("中心學校","學校");
insert into test_con_x values("北京銀行","銀行");
insert into test_con_x values("人民保險","保險");
insert into test_con_x values("金融公司","金融");
insert into test_con_x values("無所謂","XX");
3、查詢表中所有資料,select t.*, rowid from test_con_x t;
4、編寫sql,根據指定條件查詢所需資料,
select t.*, rowid from test_con_x t
where regexp_like(company_name,"學校|銀行|保險|金融")
可以看到只有四條所需記錄,