Here in the given example, the T-SQL query selects the “FirstName” column from the “Hospital” table and uses the STRING_AGG function to concatenate the names. By adding the “WITHIN GROUP” clause and specifying the “ORDER BY” statement with “FirstName ASC”, the names are sorted ...
Alternative to STRING_AGG in SQL 1. Using FOR XML PATH in SQL Server SQL Server provides the FOR XML PATH method to concatenate rows into a single string. Example: SELECT STUFF(( SELECT ', ' + column_name FROM table_name FOR XML PATH(''), TYPE ).value('.', 'NVARCHAR(MAX)'), 1...
The following example replaces null values with 'N/A' and returns the names separated by commas in a single result cell. SQL USEAdventureWorks2022; GOSELECTSTRING_AGG(CONVERT(NVARCHAR(MAX),ISNULL(FirstName,'N/A')),',')AScsvFROMPerson.Person; GO ...
Before SQL Server 2017 (SQL Server 2014 below), concatenating rows of strings into one column could be done using the STUFF function that combines with FOR XML PATH. However, in my opinion, it's quite messy.In this article, we'll explore SQL's STRING_AAG function and see how we can ...
B. Generate list of names separated with comma without NULL values The following example replaces null values with 'N/A' and returns the names separated by commas in a single result cell. SQL USEAdventureWorks2022; GOSELECTSTRING_AGG(CONVERT(NVARCHAR(max),ISNULL(FirstName,'N/A')),',')AS...
B. Generate list of names separated with comma without NULL values The following example replaces null values with 'N/A' and returns the names separated by commas in a single result cell. SQL USEAdventureWorks2022; GOSELECTSTRING_AGG(CONVERT(NVARCHAR(max),ISNULL(FirstName,'N/A')),',')AS...
Looking for a use case? Let’s delve into a simple example. Assume we are crafting some dynamic SQL string containing the names of all the databases on the instance. Perhaps we use this in a cursor to run some commands against multiple databases. ...
In this example, we will test howString_AggSQL Server 2017 string concatenation function works with NULL column values. drop table if exists [kodyaz_users] create table [kodyaz_users] ( id int identity(1,1), username varchar(20),
Sorting result of STRING_AGG function in SQL STRING_AGG function allows sorting concatenated expressions in descending or ascending order. In this example, we will sort the concatenated expressions according to the FirstName column rows expression with the WITHIN GROUP statement: 1 2 3 SELECT Fir...
The PIVOT operator converts every row from a result set into multiple rows with a reduced number of columns. As an example, the PIVOT operator can be applied on a result set that returns the daily reported COVID cases from the ECDC data set. In this data s...