index.js
function(tableName, columnName, callback) {
    var cqlString = util.format('ALTER TABLE %s DROP %s', tableName, columnName);
    return this.runSql(cqlString, callback).nodeify(callback);
  }
function(tableName, columnName, callback) {
    var cqlString = util.format('ALTER TABLE %s DROP %s', tableName, columnName);
    return this.runSql(cqlString, callback).nodeify(callback);
  }
function ( tableName , columnName , callback ) { var cqlString = util . format ( 'ALTER TABLE %s DROP %s' , tableName , columnName ) ; return this . runSql ( cqlString , callback ) . nodeify ( callback ) ; }
Remove a column form an existing table

@param string tableName - The name of the table to be altered
@param string columnName - Name of the column to be removed
@param callback
Remove a column form an existing table