Micro Focus Lcc

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Charles Edward Bear

Yuanzhe Bei

Vivek Bharathan

Michael Leuchtenburg

According to an example, a system may receive a refresh column command for a column-oriented database. The refresh column command may identify a table in the column-oriented database and a denormalized column in the table. The system may determine column definitions for the column, generate a query to populate values from a data source associated with the column into the column based on the column definitions, and may execute the query to replace entire set of existing column values with the data source values.

Database column refresh via replacement

A user-defined function (UDF) is received. Then, execution of the UDF is distributed into a plurality of phases. Lastly, each of the phases is executed separately on a relational database including an aggregate projection that stores an aggregate value calculated from a table column of a table using an aggregate function.

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