Trong bài viết này Summary See Also SummarySemijoins are U-SQL’s way to filter a rowset based on the inclusion of its rows in another rowset. Other SQL dialects express this with the SELECT * FROM A WHERE A.key IN (SELECT B.key FROM B) pattern. There are two variants: LEFT...
Trong bài viết này Syntax Arguments Remarks Examples See Also Applies to: SQL Server Azure SQL Database Azure SQL Managed InstanceJoin hints specify that the query optimizer enforce a join strategy between two tables in SQL Server. For general information about joins and join syntax, ...
Trong bài viết này Syntax Arguments Remarks Example 1: Singleton Query Hiện thêm 3 Applies to: SQL Server Analysis ServicesUses a mining model to predict the states of columns in an external data source. The PREDICTION JOIN statement matches each case from the source query to ...