取决于你是在谈论三行还是三列。答案可能会根据您的需要而改变。我会回答两个值，你想要选择一个列，或者你想选择一行（包括所有列）。



如果你想选择只有一列，然后在SELECT语句中写入列名。

Depends on whether you are talking about three rows or three columns. The answer may alter as per your need. I would answer both values, in which you want to either select a column, or you want to select one row (with all columns).

If you want to select only one column, then write the column name in the SELECT statement.

SELECT column_name FROM table_name

这将只选择一列，而不是所有列（ * ）。



如果要选择一行，可以使用 TOP 子句选择一条记录，

This would select only one column, instead of all columns (*).

If you want to select one row, you can use TOP clause to select one record,

SELECT TOP 1 * FROM table_name

上面的代码具有相同的所有行（ * ）但只有一条记录，即前一条记录。要选择哪一个，可以使用ORDER BY或DESC或其他子句来改变结果。

The above code has same all rows (*) but only one record, the top one. To select which one, you can use ORDER BY or DESC or other clauses to alter the results.