sql joun string code example

Example 1: sql convert float to string

SELECT STR(float_field, 25, 5)

Example 2: sql value of string

-- Specifically for Oracle

-- EXAMPLE
CAST('732.98' AS INT)

/* SYNTAX
CAST(<value_to_cast> AS <data_type_to_cast_to>)
*/

Example 3: concatenation in sql

We use "||" to concatenation in Sql

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

Example 4: concat two columns in sql server

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