create a new column in sql code example
Example 1: sql server alter column
ALTER TABLE table_name
ALTER COLUMN column_name new_data_type(size);
Example 2: create column sql server
ALTER TABLE table_name
ADD column_name datatype;
Example 3: sql server add column
ALTER TABLE dbo.doc_exa ADD column_b VARCHAR(20) NULL, column_c INT NULL ;
Example 4: how to make new column in sql
<?php
echo str_replace("john", "jack", "hello i am john");
?>