However, using the ORDER BY clause guarantees that the records in the output are sorted in ascending or descending order. This clause allows sorting of the table by defining single or multiple columns.SyntaxThe following are the syntax that illustrates the ORDER BY clause in SQL Server:...
二、“order by”引发的乱序 经过一番排查,发现罪魁祸首其实是order by。当使用order by的字段存在多行相同值时,就会导致上面出现的乱序问题,这里我们来看下官方的解释[1]: ❝If multiple rows have identical values in theORDER BYcolumns, the server is free to return those rows in any order, ...
SELECT Measures.[Reseller Order Count] ON COLUMNS, Order( [Date].[Calendar].[Calendar Quarter].MEMBERS, Measures.[Reseller Order Count], DESC ) ON ROWS FROM [Adventure Works] 请注意,在此示例中,当 DESC标志更改为BDESC时,层次结构被破坏,并且返回日历季度列表而不考虑层次结构: ...
官方文档里面做了如下说明: If multiple rows have identical values in the ORDER BY columns, the server is free to return those rows in any order, and may do so differently depending on the overall execution plan. In other words, the sort order of those rows is nondeterministic with respect ...
这种行为的一种表现是带有和不带有 LIMIT 的 ORDER BY 查询可能会以不同的顺序返回行,如本节后面所述。 原文: If multiple rows have identical values in the ORDER BY columns, the server is free to return those rows in any order, and may do so differently depending on the overall execution plan...
Multiple sort columns can be specified. Column names must be unique. The sequence of the sort columns in theORDER BYclause defines the organization of the sorted result set. That is, the result set is sorted by the first column and then that ordered list is sorted by the second column, ...
sys.server_triggers sys.server_trigger_events sys.sql_dependencies sys.sql_expression_dependencies sys.sql_modules sys.stats sys.stats_columns sys.synonyms sys.system_columns sys.system_objects sys.系统参数 sys.system_sql_modules sys.system_views 系统表类型(sys.table_types) sys.table...
If multiple rows have identical values in theORDER BYcolumns, the server is free to return those rows in any order, and may do so differently depending on the overall execution plan. In other words, the sort order of those rows is nondeterministic with respect to the nonordered columns. ...
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