SQL是一种非常常见且功能强大的工具，可以帮助从任何数据库中提取、转换和加载数据。数据查询的本质在于SQL。随着公司和组织发现自己处理的数据量迅速增加，开发人员越来越需要有效地使用数据库来处理这些数据。因此，掌握SQL语言是必不可少的。

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.

After #9114, the IT engine fails to run well with the SELECT DISTINCT SQL. It is necessary to find the cause and fix it.

This pattern explains how to perform SELECT DISTINCT by using queries in Microsoft Dynamics NAV. It is brought to you by Bogdana Botez from the Dynamics NAV team here at Microsoft Development Center ...