Oracle数据库中,使用case语句,遇到VARCHAR2与NVARCHAR2问题
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了Oracle数据库中,使用case语句,遇到VARCHAR2与NVARCHAR2问题,小编现在分享给大家,供广大互联网技能从业者学习和参考。文章包含3610字,纯文字阅读大概需要6分钟。
内容图文
![Oracle数据库中,使用case语句,遇到VARCHAR2与NVARCHAR2问题](/upload/InfoBanner/zyjiaocheng/501/b8316eea8b8c4270a62b054c2488516e.jpg)
问题:
在有sqlserver数据库迁移至Oracle数据库时,遇到将VARCHAR2付给NVARCHAR2问题
原sql
CASE A .kindCode
WHEN ‘2321034‘ THEN ‘02049‘ WHEN ‘2321035‘ THEN ‘11067‘ WHEN ‘2321022‘ THEN ‘11067‘ WHEN ‘2321039‘ THEN ‘02049‘
WHEN ‘2321041‘ THEN ‘10064‘ WHEN ‘2321030‘ THEN ‘10047‘ WHEN ‘2321031‘ THEN ‘10048‘ WHEN ‘2321032‘ THEN ‘02049‘
WHEN ‘2321033‘ THEN ‘02049‘ WHEN ‘2321001‘ THEN ‘11030‘ WHEN ‘2321002‘ THEN ‘10039‘ WHEN ‘2321003‘ THEN ‘10040‘
WHEN ‘2321004‘ THEN ‘10041‘ WHEN ‘2321005‘ THEN ‘10042‘ WHEN ‘2321006‘ THEN ‘02017‘ WHEN ‘2321007‘ THEN ‘02049‘
WHEN ‘2321008‘ THEN ‘02049‘ WHEN ‘2321009‘ THEN ‘11067‘ WHEN ‘2321010‘ THEN ‘11067‘ WHEN ‘2321011‘ THEN ‘11067‘
WHEN ‘2321017‘ THEN ‘02049‘ WHEN ‘2321018‘ THEN ‘02049‘ WHEN ‘2321019‘ THEN ‘02049‘ WHEN ‘2321020‘ THEN ‘04029‘
WHEN ‘2321021‘ THEN ‘02049‘ WHEN ‘2321025‘ THEN ‘02049‘ WHEN ‘2321040‘ THEN ‘02049‘ WHEN ‘2321016‘ THEN ‘02049‘
ELSE ‘2312‘ END AS CLASSESCODE,
修改后
CASE A .kindCode
WHEN CAST(‘2321034‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321035‘ as nvarchar2(10)) THEN CAST(‘11067‘as nvarchar2(10))
WHEN CAST(‘2321022‘ as nvarchar2(10)) THEN CAST(‘11067‘as nvarchar2(10)) WHEN CAST(‘2321039‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10))
WHEN CAST(‘2321041‘ as nvarchar2(10)) THEN CAST(‘10064‘as nvarchar2(10)) WHEN CAST(‘2321030‘ as nvarchar2(10)) THEN CAST(‘10047‘as nvarchar2(10))
WHEN CAST(‘2321031‘ as nvarchar2(10)) THEN CAST(‘10048‘as nvarchar2(10)) WHEN CAST(‘2321032‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10))
WHEN CAST(‘2321033‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321001‘ as nvarchar2(10)) THEN CAST(‘11030‘as nvarchar2(10))
WHEN CAST(‘2321002‘ as nvarchar2(10)) THEN CAST(‘10039‘as nvarchar2(10)) WHEN CAST(‘2321003‘ as nvarchar2(10)) THEN CAST(‘10040‘as nvarchar2(10))
WHEN CAST(‘2321004‘ as nvarchar2(10)) THEN CAST(‘10041‘as nvarchar2(10)) WHEN CAST(‘2321005‘ as nvarchar2(10)) THEN CAST(‘10042‘as nvarchar2(10))
WHEN CAST(‘2321006‘ as nvarchar2(10)) THEN CAST(‘02017‘as nvarchar2(10)) WHEN CAST(‘2321007‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10))
WHEN CAST(‘2321008‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321009‘ as nvarchar2(10)) THEN CAST(‘11067‘as nvarchar2(10))
WHEN CAST(‘2321010‘ as nvarchar2(10)) THEN CAST(‘11067‘as nvarchar2(10)) WHEN CAST(‘2321011‘ as nvarchar2(10)) THEN CAST(‘11067‘as nvarchar2(10))
WHEN CAST(‘2321017‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321018‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10))
WHEN CAST(‘2321019‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321020‘ as nvarchar2(10)) THEN CAST(‘04029‘as nvarchar2(10))
WHEN CAST(‘2321021‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321025‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10))
WHEN CAST(‘2321040‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10)) WHEN CAST(‘2321016‘ as nvarchar2(10)) THEN CAST(‘02049‘as nvarchar2(10))
ELSE CAST(‘2312‘ as nvarchar2(10)) END AS CLASSESCODE,
详细问题:https://blog.csdn.net/liuxiyangyang/article/details/8446692
Oracle数据库中,使用case语句,遇到VARCHAR2与NVARCHAR2问题
标签:语句 art else 数据库 迁移 https 遇到 ast 问题:
本文系统来源:https://www.cnblogs.com/zhxb/p/9777249.html
内容总结
以上是互联网集市为您收集整理的Oracle数据库中,使用case语句,遇到VARCHAR2与NVARCHAR2问题全部内容,希望文章能够帮你解决Oracle数据库中,使用case语句,遇到VARCHAR2与NVARCHAR2问题所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错,欢迎将互联网集市网站推荐给程序员好友。
内容备注
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 gblab@vip.qq.com 举报,一经查实,本站将立刻删除。
内容手机端
扫描二维码推送至手机访问。