CREATE FUNCTION [dbo].[udf_Split] ( @InputString VARCHAR(8000), @Delimiter VARCHAR(50) ) RETURNS @Items TABLE (ID INTEGER IDENTITY(1,1), Item VARCHAR(8000)) AS BEGIN IF @Delimiter = ' ' BEGIN SET @Delimiter = ',' SET @InputString = REPLACE(@InputString, ' ', @Delimiter) END IF...
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look to pre-processing the source data that was used to populate this table before ingesting into...
look to pre-processing the source data that was used to populate this table before ingesting into...
SELECT value FROM STRING_SPLIT('apple,banana,orange', ','); 这将返回一个包含三行的结果集,每行包含一个拆分后的值。 使用自定义函数:除了内置函数,还可以编写自定义函数来实现字符串拆分为列的操作。这通常涉及使用字符串处理函数和循环来逐个拆分字符串,并将拆分后的值插入到临时表中。以下是一个示例自定...
然后,使用动态SQL构建了一个查询语句。首先,通过STRING_SPLIT函数将CommaSeparatedValues列拆分为多行。然后,使用PIVOT函数将多行转换为多列,每个逗号分隔的值对应一列。最后,执行动态SQL语句,将转换后的结果输出。 这种方法适用于逗号分隔的列数量不确定的情况,可以动态地根据数据进行列的生成和转换。
doing here is building a CTE to hold the numbers from 1 to the length of the longest string ...
This isn't going to be achievable withSTRING_SPLITas Microsoft refuse to supply the ordinal ...
Your results should return, as expected, two columns - the id column and the address column. Notice the address column is returned as a single string value in image 1. Image 1 Breaking down the data into individual columns. The next step will be to parse out the three individual parts o...
Create table t4 and specify the character type of its columns. CREATE TABLE t4 (a text); 2. Insert data into table t4. The inserted value contains an empty string and NULL. INSERT INTO t4 VALUES('abc'),(''),(null); INSERT 0 3 3. Check whether t4 contains null values. SELECT a,...