cross apply

SQLServerCentral Article

4.9 (10)

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2022-07-13

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Technical Article

Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays

  • Script

This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node.  The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression. 

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2019-11-25 (first published: )

771 reads

Technical Article

Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays

  • Script

This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node.  The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression. 

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2019-11-12 (first published: )

2,058 reads

SQLServerCentral Article

Parse Data from a Field Containing Multiple Values using CROSS APPLY

  • Article

It is possible for a field in a character-delimited text file to contain a list of further-delimited values instead of the customary single value. This article demonstrates how to load such a file into a staging table, then use a CROSS APPLY query to parse the list of values into a related table.

3.27 (15)

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2019-06-07 (first published: )

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Question of the Day

Strange String Splits

When I run this code, how many rows are returned?

DECLARE @meals NVARCHAR(1000) = N'夕食昼食朝食'
DECLARE @s NVARCHAR(1) = N'食'
SELECT value
FROM STRING_SPLIT(@meals, @s)
GO

See possible answers