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; Note: The date types are chosen for a column when you create a new table in your database!

2009年1月20日 · Always make the start date a datetime and use zero time on the day you want, and make the condition ">=". Always make the end date the zero time on the day after you want and use "<". Doing that, you will always include any …

2011年5月25日 · SELECT * FROM TABLENAME WHERE DateTime >= '12/04/2011 12:00:00 AM' AND DateTime <= '25/05/2011 3:53:04 AM' Also, it is recommended to use ISO8601 format YYYY-MM-DDThh:mm:ss.nnn[ Z ], as this one will not depend on your server's local culture.

2024年12月19日 · Handling date and time data in SQL is essential for many database operations. SQL provides a variety of date and time functions that help users work with date values, perform calculations, and format them as needed.

SELECT * FROM dbo.March2010 A WHERE A.Date >= '2010-04-01'; SELECT * FROM dbo.March2010 A WHERE A.Date >= CAST('2010-04-01' as Date); SELECT * FROM dbo.March2010 A WHERE A.Date >= Convert(datetime, '2010-04-01' )

2024年12月16日 · SQL provides various tools and data types to work with date and time effectively. In this guide, we will focus on working with the DATETIME2 datatype in Microsoft SQL Server, including querying specific time ranges, retrieving …

2024年12月2日 · We will explain how to retrieve and manipulate date values using SQL queries, including DATE, DATETIME, TIMESTAMP, and related SQL functions.

2024年6月28日 · Learn how to query and filter a date greater than a specific date in SQL. Compare how the date greater than logic differs in MySQL, PostgreSQL, and SQL Server.

SQL date functions allow you to manipulate date and time effectively. You can use the date functions for various operations such as adding days to a date, calculating the difference between two dates, or extracting a part of a date.

Learn how to query and manipulate date and time data in SQL Server using datetime and timestamp values. Discover how to retrieve the current date and time, filter records between specific dates or timestamps, extract parts of a timestamp, find the day of the week, and convert timestamps to Unix timestamps for easier comparison and calculation.