This tool enables you to easily visualize column-level reference relationship (so called data lineage) between tables/views stored in Spark SQL. The feature is useful for understanding your data ...

SQL development is evolving fast, and Microsoft's Drew Skwiers-Koballa will explain it all in a featured session at the VS ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way for a Java developer to learn Java Database Connectivity (JDBC) is to experiment ...

TO_CHAR(ORDER_DATE, 'YYYY-MM') = '2013-03' SELECT order_month, 'SALES_ORDER_ID' AS column_name, ROUND(SALES_ORDER_ID / total_rows, 3) AS proportion FROM base UNION ...

Coronations, royal weddings, kings, queens, statesmen and soldiers; poets, heroes and villains – history happens here and it’s all waiting to be discovered.