ExampleGet your own SQL ServerReturn the difference between two date values, in years:SELECT DATEDIFF(year, '2017/08/25', '2011/08/25') AS DateDiff; Try it Yourself » Definition and UsageThe DATEDIFF() function returns the difference between two dates, as an integer....
SQL Server报错The datediff function resulted in an overflow 可以看到,如果是到秒级,即datediff(ss),中间的时间差是可以长达68年19天3小时14分7秒的。 SQL Server报错The datediff function resulted in an overflow 也就是说,在为null的情况下,这个datetime类型的值,将有默认值来填充,所以也就出现了1900-01-...
SQL Server 2008 R2Microsoft SQL Server 2005SQL Server 2008 Service Pack 2SQL Server 2008 R2 Service Pack 1 Microsoft 将 Microsoft SQL Server 2005 或 Microsoft SQL Server 2008 或 SQL 2008 R2 修补程序分发为一个可下载文件。 由于修补程序是累积的,因此每个新版本都包含以前的 Microsoft...
See DATEDIFF_BIG (Transact-SQL) for a function that handles larger differences between the startdate and enddate values. See Date and Time Data Types and Functions (Transact-SQL) for an overview of all Transact-SQL date and time data types and functions....
In this situation, SQL Server may select a suboptimal query plan to run this query. Therefore, the query may run slowly. Cause This issue occurs because the SQL Server optimizer underestimates the number of row...
GETDATE() retrieves the current date and time in SQL Server. The difference in days from the order_date to today is calculated. Additional Notes The DATEDIFF() function returns an error if the result is out of range (i.e. the value is larger than +2,147,483,647 or smaller than -2...
See DATEDIFF_BIG (Transact-SQL) for a function that handles larger differences between the startdate and enddate values. See Date and Time Data Types and Functions (Transact-SQL) for an overview of all Transact-SQL date and time data types and functions....
SQL Server Azure SQL 資料庫 Azure SQL 受控執行個體 Azure Synapse Analytics Analytics Platform System (PDW) 此函式會傳回跨越指定startdate和enddate之指定 datepart 界限的計數 (作為帶正負號的整數值)。 如需處理 startdate 和enddate值之間較大差異的函式,請參閱DATEDIFF_BIG。 如需所有 Transact-SQL 日...
In this query, we’re using DATEDIFF in theWHEREclause to filter the results based on the difference between thestart_dateandend_datecolumns. DATEADD: The Companion Function Another useful function in SQL Server is DATEADD, which allows you to add or subtract a specified time interval from a ...
In this article Syntax Arguments Return types Return value Show 5 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) This function returns the count (as a signed integer value) of the specified datepart boundaries crosse...