Answers for "modify query in sql"

sql change column types

ALTER TABLE table_name
ALTER COLUMN column_name datatype;

-- Example
ALTER TABLE product
ALTER COLUMN description VARCHAR(250);

Posted by: Guest on May-07-2020

how to change the value of a table in sql

UPDATE employees 
SET 
    address = '1300 Carter St',
    city = 'San Jose',
    postalcode = 95125,
    region = 'CA'
WHERE
    employeeID = 3;

Posted by: Guest on March-08-2020

ALTER IN SQL

ALTER TABLE DataFlair
ADD emp_id varchar(5);

Posted by: Guest on July-18-2021

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