oerr ora 0650206502, 00000, "PL/SQL: numeric or value error%s"// *Cause: An arithmetic, numeric, string, conversion, or constraint error// occurred. For example, this error occurs if an attempt is made to// assign the value NULL to a variable de…
1.错误提示: mysql的Data truncation: Data too long for column 'path' at row 1 错误原因: 1.字段过长而导致出错的, 2. 可能是因为数据库里的表设置的字符集不相同. 解决办法: varchar(10) ——>varchar(20) alter table `cms_activity_test` convert to character set gbk collate gbk_chinese_ci;(单独修改指定表的字符集) 其他…
关于oracle varchar2 官方文档的描述 VARCHAR2 Data Type The VARCHAR2 data type specifies a variable-length character string. When you create a VARCHAR2 column, you supply the maximum number of bytes or characters of data that it can hold. Oracle subsequently st…
转自:https://blog.csdn.net/edward9145/article/details/21398657 Oracle数据库 number 长度与 Short Integer Long BigDecimal 对应关系 Oracle数据库,用mybatis-gen.xml 自动生成Java对象的时候,会根据number类型的长度不同生成不同的数据类型 number长度 Java类型 1~4 Short 5~9 Integer 10~18 Long 18+ BigDecimal 例如…