目录1、LIMIT 关键字：2、FETCH FIRST ROW ONLY：3、TOP-N 查询：总结在 oracle 数据库中，如果你想从查询结果中只获取一行数据，你可以使用如下几种方法：
What programming languages are a good choice for High Integrity Systems? An example of a bad choice is Java as there is a considerable amount of code that is inaccessible to the programmer. I am look
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