This is a performance testing framework for Spark SQL in Apache Spark 2.2+. The framework contains twelve benchmarks that can be executed in local mode. They are organized into three classes and ...

A cron job that worked perfectly for six months suddenly runs two hours early. A payment dashboard shows yesterday's revenue in today's column. Session tokens expire at unpredictable times. These bugs ...

title Get the Latest Restorable Timestamp for Accounts With Continuous Backup Mode description Learn how to get the latest restorable timestamp for accounts enabled with continuous backup mode. It ...

It’s the week of Fabcon Europe and you’re about to be overwhelmed with new Fabric feature announcements. However there is a new blink-and-you’ll-miss-it feature that appeared in the latest version of ...

如题，两个TIMESTAMP类型的值相减如何得到秒？ 例如"2008-05-22-23.25.00.000000"-"2008-05-21-23.25.00.000000",如果直接相减得出结果是1000000.000000 我想要结果是86400.000000（24×3600秒） 而且跨年、跨月要把闰年、大小月也考虑进去，请问各位高手SQL可以如何实现？