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24 paź 2014 · I would like to convert a datetime field to varchar so I can show a blank or a message when the date is NULL. This is what I have so far: select isnull(us.Date,0) as USDate, isnull(au.Date,0) as A...
31 maj 2019 · I want to be able to pick the CloseddatetimeT dates regardless of their value. For example, if the date is null, meaning the task is not closed, show it to me. Also, if it has a value, meaning the task is closed, show it as well! –
17 lis 2015 · If you're checking whether or not the value is NULL, there is no need to convert it to a date, unless you wanted to return a date value (which you don't seem to). Instead, use: SELECT ISNULL( DOB , '') Which will return '' if the value is NULL. A NULL date is NULL (no value).
19 sty 2001 · SQL Server DATE and DATETIME data types store date and time values in a table. However, managing these values can become difficult sometimes, especially if the value saved is 1900-01-01. Moreover, we cannot show or display these figures anywhere, since it can be misleading.
10 cze 2023 · The first way is by specifying either NULLS FIRST (show NULL values at the top) or NULLS LAST (show NULL values at the bottom). This only works in PostgreSQL and Oracle. Using NULLS FIRST: SELECT first_name, last_name, email_address FROM customer ORDER BY email_address NULLS FIRST; Using NULLS LAST:
20 cze 2024 · This tip will help you understand what NULL means in the context of the Microsoft Fabric data universe, which includes SQL Server. It will then show how these values can make queries act unexpectedly and how to best interact with NULL values to avoid problems.
SQL Server comes with the following data types for storing a date or a date/time value in the database: DATE - format YYYY-MM-DD. DATETIME - format: YYYY-MM-DD HH:MI:SS. SMALLDATETIME - format: YYYY-MM-DD HH:MI:SS. TIMESTAMP - format: a unique number.
