How SQL Server stores data types: dates and times
This post dives into how SQL Server stores date and time data types in memory and on disk. But first, a note about endianness: CPUs manufactured by Intel and other vendors process binary values in…
Dates and Times in SQL Server: DATEPART()
In my previous posts in this series we’ve seen reference to Transact-SQL (T-SQL) functions that are used to get the specific part of a date and/or time (year, month, day, hour, minute, second, etc.). This…
Dates and Times in SQL Server: more functions you should never use
Previously we looked at four built-in functions to get the current date and time in SQL Server and Azure SQL Database using Transact-SQL (T-SQL). We identified that out of the options provided, SYSUTCDATETIME() is the…
Dates and Times in SQL Server: T-SQL functions to get the current date and time
We have come on quite a journey so far. SQL Server and Azure SQL Database provide date and time data types to help you design the best possible database. You can read more about that…
Dates and Times in SQL Server: the science of time redux
Last time, we began an in-depth look at how time is measured. This post continues our journey. If any of you are students of Albert Einstein and his theory of relativity, this might seem familiar.…
Dates and Times in SQL Server: the science of time
Now that we have covered the various date and time data types (see the post from last time) in SQL Server and Azure SQL Database, it’s time to review what we know about time itself…
Dates and Times in SQL Server: DATE
This post continues our look at date and time data types in SQL Server. SQL Server 2008 introduced new data types to handle dates and times in a more intelligent way than the DATETIME and SMALLDATETIME…
Be Wary of Date Formatting in T-SQL
Today’s public service announcement is a reminder to be wary of date formatting in SQL Server. On a recent mailing list discussion, one person demonstrated the following code (which I’ve adapted for this post): SET…