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在 MSSQL 中,我可以选择一列并通过执行以下操作更改列标题:
SELECT mycolumn as 'MyNewColumnName' from MyTable
这在 Oracle 中不起作用。我如何在 Oracle 中执行相同的操作?
删除单引号
SELECT mycolumn as MyNewColumnName from MyTable
用双引号将别名括起来
SELECT mycolumn as "MyNewColumnName" from MyTable
在 Oracle 中,您可以只在列名之后提供一个空格并提供不带任何引号的别名作为
SELECT mycolumn MyNewColumnName from MyTable