SQL

sql server alter column

ALTER TABLE table_name 
ALTER COLUMN column_name new_data_type(size);

alter table name

ALTER TABLE old_table_name RENAME new_table_name;

change column name in sql

MySQL:
ALTER TABLE Customer CHANGE Address Addr char(50);

Oracle:
ALTER TABLE Customer RENAME COLUMN Address TO Addr;

how to change column name in sql

ALTER TABLE Student RENAME COLUMN NAME TO FIRST_NAME;
ALTER TABLE `Table Name` MODIFY COLUMN `Column Name` Datatype(Size);

alter table query sql server change column

ALTER TABLE employees
  ALTER COLUMN last_name VARCHAR(75) NOT NULL;

modify column name in sql

ALTER TABLE `Table Name` MODIFY COLUMN `Column Name` Datatype(Size);

alter table name sql

-- Microsoft SQL style
EXEC sp_rename 'TableOldName', 'TableNewName';

rename column name sql server

EXEC sp_RENAME 'table_name.old_name', 'new_name', 'COLUMN'

alter table query sql server change column

ALTER TABLE table_name
  ALTER COLUMN column_name column_type;

sql alter column name sql server

EXEC sp_RENAME 'table_name.oldColumn_name' , 'newColumn_name', 'COLUMN'

change column name sql

ALTER TABLE `db_name`.`table_name` 
	CHANGE `current_column_name` `new_column_name` datatype(size) NOT NULL COMMENT '';

changing column names in sql query results

SELECT NAME AS "Employee Name" FROM PEOPLE;

SELECT p.NAME AS "Employee Name", s.SALARY AS "Employee Salary"
FROM PEOPLE p
JOIN SALARIES s ON p.ID = s.ID;

how to rename column name in sql server using query

EXEC sp_RENAME 'TableName.OldColumnName' , 'NewColumnName', 'COLUMN'

alter table query sql server change column

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

alter table query sql server change column

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

alter table query sql server change column

ALTER TABLE table_name
  DROP COLUMN column_name;