LOADING QUERY RESULT SETS FOR STORAGE IN DATABASE SYSTEMS

A database system is operable to generate and a first plurality of column-formatted segments from a first plurality of rows. A query indicates parameters for generating a result set, and further indicating an instruction to store the result set. A query operator execution flow that includes a loading operator is generated. The query is executed based on accessing at least one of the first plurality of rows, processing the at least one of the first plurality of rows to generate a second plurality of rows as the result set, and executing the loading operator. At least one new column-formatted segment is from the second plurality of rows based on execution of the loading operator. The at least one new column-formatted segment is stored access in future query executions.