mysql how to delete a column code example

Example 1: how remove column in mysql

ALTER TABLE "table_name" DROP "column_name";

Example 2: alasql delete column

var data = [{a:1,b:10},{a:2,b:20}];
    var res = alasql('SELECT * REMOVE COLUMN b FROM ?',[data]);
    // returns [{a:!},{a:2}]