alter table change column name sql server code example

Example 1: sql server search column name in all tables

SELECT      COLUMN_NAME AS 'ColumnName'
            ,TABLE_NAME AS  'TableName'
FROM        INFORMATION_SCHEMA.COLUMNS
WHERE       COLUMN_NAME LIKE '%MyName%'
ORDER BY    TableName
            ,ColumnName;

Example 2: add column table sql default value

ALTER TABLE users
ADD visit_number INT DEFAULT 0;