SQL

change name of colum in sql table

ALTER TABLE "table_name" RENAME COLUMN "column 1" TO "column 2";

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);

how to change a collumn name in sql

ALTER TABLE `table_name` 
CHANGE `old_name` `new_name` VARCHAR(10) 
CHARACTER SET utf8 
COLLATE utf8_general_ci NULL 
DEFAULT NULL;

modify column name in sql

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

change column name sql

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

sql change column name based on value

SELECT CASE lower(col1)
	WHEN 'agree' THEN 'Ok'
    ELSE
        CASE 
            WHEN col2 = 1 THEN 'Ko'
            ELSE 'Maybe'
        END
END AS my_result
FROM table_name;

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;