update a column in sql server code example
Example 1: update column sql server
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
Example 2: alter table query sql server change column
ALTER TABLE table_name
ALTER COLUMN column_name column_type;
Example 3: alter table query sql server change column
ALTER TABLE employees
ALTER COLUMN last_name VARCHAR(75) NOT NULL;