update column sql server code example

Example 1: sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

Example 2: update column sql server

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

Example 3: update in sql

--update query example
 UPDATE table_name
 SET column1 = value1, column2 = value2, ...
 WHERE condition;

Example 4: alter table query sql server change column

ALTER TABLE table_name
  DROP COLUMN column_name;

Example 5: alter table query sql server change column

sp_rename 'table_name.old_column_name', 'new_column_name', 'COLUMN';

Example 6: alter table query sql server change column

sp_rename 'employees.last_name', 'lname', 'COLUMN';