[Err] 1054 - Unknown column 's.sno' in 'field list'

This error message usually occurs when a SQL query is trying to reference a column that does not exist in the specified table or view. In this case, the error message is indicating that the column 'sno' cannot be found in a table or view that is being queried.

To resolve this error, you should check the spelling and syntax of the SQL query to ensure that the column name is correct and matches the actual column name in the table or view. You may also need to check the table schema to verify that the desired column is present and has the correct data type.

相关问题

[Err] 1054 - Unknown column 'information_schema' in 'field list'

根据提供的引用内容，[Err] 1054 - Unknown column 'information_schema' in 'field list'是一个错误提示，提示在查询操作中使用了一个不存在的字段名。具体原因可能是数据库表结构的问题，该字段不存在于所查询的表中。此外，还可以通过检查查询语句是否正确、表名或字段名是否拼写错误等方面来解决此问题。