concatenate columns in sql code example

Example 1: sql concat string with column value

SELECT CONCAT(name, "string_value") AS name
FROM 
  users;

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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