此问题的原因是因为表的列名称使用了Oracle声明的关键字,列名起的不好引起的. 如果列很多,又不好确定是哪个列名使用了关键字,以下建议可供参考: select * from v$reserved_words where keyword in( select COLUMN_NAME from all_tab_columns where table_name = 'HP_FFS' and owner='用户名大写' ); 除了与oracle关键字段冲突错误外(select * from v$res
原因:我是使用 CREATE TABLE XXX AS subquery 进行创建的数据表,主要是将相关的数据聚合在一起,然后通过导出为SQL脚本文件,进行导入到新库中,导致部分INSERT INTO语句,因数据库字符集的不一致生成的CREATE TABLE表结构的字段类型长度不一致,从而会插入失败value too large for column "SCHEMA"."TABLE"."COLUMN" (actual: 519, maximum:
Q: How do I see what the character set that a MySQL database, table and column are in? Is there something like SHOW CHARACTER SETFOR mydatabase; and SHOW CHARACTER SETFOR mydatabase.mytable; and SHOW CHARACTER SETFOR mydatabase.mytable.mycolumn; A: H
1.查询系统关键 select * from v$reserved_words 确认你使用的是否为关键字: select * from v$reserved_words w where w.KEYWORD='LEVEL'; 2.系统关键字需要加双引号 update UT_MENU set "LEVEL"=2 where menuid=57886 如果这条语句在在sqlplus里面执行,则同样会提示ORA-01747错误,可以到sqlplus命令行里面执行就ok.有知道sqlplus怎
1.检查sql书写正确性 2.如果sql书写正确,则是由于数据库列名起的不好引起的,名字用到了数据库的关键字. 如果列很多,又不好确定是哪个列名使用了关键字,以下建议可供参考: 我用以下方法定位 select * from v$reserved_words where keyword in( select COLUMN_NAME from all_tab_columns where table_name = '表名大写' and owner='用户名大写' ); 来自为知笔记(Wiz)
description Hi Jan, I have noticed that when I set a column width there is a discrepancy between the width that I set in code and what Excel reports. From the code below, Excel reports the width to be 11.27. Excel reports the height to be exactly wha
Namespace:DevExpress.XtraGrid.Columns Assembly:DevExpress.XtraGrid.v16.2.dll https://documentation.devexpress.com/#WindowsForms/clsDevExpressXtraGridColumnsGridColumntopic Represents an individual column in Grid Views and Card Views. Remarks GridColu
