In the example shown, we are summing all sales in the West region.
The formula in cell H6 is: = SUMIF ( region , "West" ,...
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For more information, see Section 11.3.4, “Automatic Initialization and Updating for TIMESTAMP and DATETIME”.
This occurs because the same time zone was not used for conversion in both directions.
The current time zone is available as the value of the PDF (US Ltr) - 46.7Mb PDF (A4) - 46.8Mb PDF (RPM) - 42.2Mb HTML Download (TGZ) - 10.8Mb HTML Download (Zip) - 10.8Mb HTML Download (RPM) - 9.3Mb Man Pages (TGZ) - 224.9Kb Man Pages (Zip) - 330.3Kb Info (Gzip) - 4.2Mb Info (Zip) - 4.2Mb My SQL Backup and Recovery My SQL Globalization My SQL Information Schema My SQL Installation Guide Security in My SQL Starting and Stopping My SQL My SQL and Linux/Unix My SQL and Windows My SQL and OS X My SQL and Solaris Building My SQL from Source My SQL Restrictions and Limitations My SQL Partitioning My SQL Secure Deployment Guide My SQL Tutorial My SQL Performance Schema My SQL Replication Using the My SQL Yum Repository When using the TIMESTAMP type in timezone settings with daylight savings, you must be aware that:* Storing data in the column will be ambiguous at the end of daylight savings, because the local-time hour gets repeated twice.* At the start of daylight savings, when clocks are turned forwards, there's a "missing hour".
As long as the time zone setting remains constant, you get back the same value you store.
If you store a value, and then change the time zone and retrieve the value, the retrieved value is different from the value you stored.