Dates and times are extremely frustrating data types and SQL doesn't make them any easier to work with than other languages. While date and time are actually. The date and time DataTypes on SQL Server and – time, date, smalldatetime, datetime, datetime2 and datetimeoffset – are greatly superior to. From the datetime value above, you want to extract the date value only and hide the time value. There are several ways to do that: 1.
Sql date - mine
This happens more often than you think. I have added in all of the examples the extraction of the current, previous and next part of the date week, day, month, year. Truncates the input week to start on the defined first day of the week. Tip The default value for the parameter is 0, which preserves the legacy Snowflake behavior ISO-like semantics ; however, we recommend changing this value to explicitly control the resulting behavior of the functions. For example, setting the parameter to 3 Wednesday changes the results of all the week-related functions columns 3 through 8: An important aspect of understanding how these parameters interact is the concept of ISO weeks.
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WOY for Jan 2nd and 3rd, moves to week 53 from 1. This means that all the weeks have 7 days, but the first days of January and the last days of December might belong to a week in a different year. The parameter can have two values: YOW for Jan 2nd and 3rd, moves to from WOY for is still 1.
Week 2 starts on Mon. Tip The default value for both parameters is 0, which preserves the legacy Snowflake behavior ISO-like semantics ; however, we recommend changing these values to explicitly control the resulting sql date
of the functions, sql date
. Thank you for the comments and suggestions. With decimal data type: The following example does this with simple query: These functions and date parts disregard the session parameters, i.