sql concatenate rows code example

Example 1: SQL: merging multiple row data in string

DECLARE @Names VARCHAR(8000) 
SELECT @Names = COALESCE(@Names + ', ', '') + 
    ISNULL(Name, 'N/A')
FROM People

Example 2: concatenation in sql

We use "||" to concatenation in Sql

example:
WHERE LOWER(FIRST_NAME || LAST_NAME)  LIKE '%d%' ;

Example 3: concat two columns in sql server

select Convert(nvarchar(50),ID)+'-'+Convert(nvarchar(50),Year) as ID_Year from tablename

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Sql Example

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