mysql drop column
ALTER TABLE `claims_user_settings` DROP COLUMN `super_user`;
mysql drop column
ALTER TABLE `claims_user_settings` DROP COLUMN `super_user`;
alter table delete column
ALTER TABLE "table_name" DROP "column_name";
mysql add column
ALTER TABLE table_name
ADD [COLUMN] column_name column_definition [FIRST|AFTER existing_column];
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}]
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