1. You could use the decode function in an SQL statement as follows: 2. 3. select supplier_name,decode(supplier_id,1000,'IBM',10001,'Microsoft','1002','Hewlett Packard','Gateway') result from suppliers; 1. 2. 3. 上面的sql语句相当于下面的IF-THEN-ELSE : 1. IF supplier_id = 10000 ...
TRUNC 和 INT 在两个返回整数时都类似。 TRUNC 删除数字的小数部分。 INT 根据数字的小数部分的值向下舍入到最接近的整数。 仅当使用负数时,INT 和 TRUNC 不同:TRUNC(-4.3)返回 -4,但INT(-4.3)返回 -5,因为 -5 是较小的数字。 示例1 以下公式返回 3,pi 的整数部分。
2. 返回等于或小于x的最大整数: SQL> select floor(23.33) from dual; FLOOR(23.33) --- 23 3. 返回舍入到小数点右边y位的x值:rcund(x,[y]) SQL> select round(23.33) from dual; ROUND(23.33) --- 23 4. 返回截尾到y位小数的x值:trunc(x,[y]) SQL> select trunc(23.33) from dual; TRU...
In this article, we explain how to use the TRUNC function and what makes it different from other techniques. Excel中有多种删除⼩数点和缩短数字值的⽅法。 在本⽂中,我们解释了如何使⽤TRUNC函数以及它与其他技术的不同之处。sql trunc函数sql trunc 函数...
In SQL, the “DATE_TRUNC” is a powerful and very useful function that allows us to truncate or round off the date and time values to a specific level of precision. A common use case of this function is when you need to group or aggregate the data based on a specific part of a ...
DATE_TRUNC()is particularly useful when you want to aggregate information over an interval of time. Using one of the mock datasets fromMode's SQL School, let's explore time-related trends in user signups as an example use case. Let's start with this query: ...
Utilizing the Date_trunc Feature in Databricks SQL Sunday as the Start of the Week Choosing data from the final quarter or last 60 days using an Amazon Redshift query Adding month interval between two dates using Redshift How to use date_trunc in Amazon Redshift?
问使用date_trunc时出现SQL语法错误EN问题描述 出现的问题如题目所示。 翻译一下：不能选择这个目录，...
The TransactionDate column from the Sales.CustomerTransactions table serves as an artificial argument to exemplify the use of an expression for the date parameter:SQL Kopiera SELECT DATETRUNC(m, SYSDATETIME()); SELECT DATETRUNC(yyyy, CONVERT(date, '2021-12-1')); USE WideWorldImporters; GO ...
In Snowflake and Databricks, you can use the DATE_TRUNC function using the following syntax:date_trunc(<date_part>, <date/time field>) In these platforms, the <date_part> is passed in as the first argument in the DATE_TRUNC function....