sql server default value datatype code example

Example 1: how to check default value of column in sql server

SELECT object_definition(default_object_id) AS definition
FROM   sys.columns
WHERE  name      ='colname'
AND    object_id = object_id('dbo.tablename')

Example 2: sql server create table column default value constraint name

CREATE TABLE dbo.doc_exz (
      column_a INT,
      column_b INT CONSTRAINT DF_Doc_Exz_Column_B DEFAULT 50);