数据库常见问题（一）

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问题：ERROR BGJOB_2]com.kingdee.bos.dao.ormapping.SQLAccessException: update data error.Error for batch element #1: The value of a host variable in the EXECUTE or OPEN statement is out of range for its corresponding use.. SQLCODE=-302, SQLSTATE=22001, DRIVER=3.68.61
Caused exception message is: DataLimit

Caused exception message is: Error for batch element #1: The value of a host variable in the EXECUTE or OPEN statement is out of range for its corresponding use.. SQLCODE=-302, SQLSTATE=22001, DRIVER=3.68.61

原因：sql中要更新的某个字段的长度超过了数据库表中字段的定义长度。