comma split

Split method: splits a string into substrings and returns the result as an array of strings. Stringobj.split ([Separator],[limit])Parameters: Stringobj required option. the String object or text to be decomposed . The object is not modified by the

 because many business tables use a design pattern that violates the first paradigm for historical reasons or for performance reasons. That is, multiple attribute values are stored in the same column (see the following table for specific

SELECT Group_concat (REPLACE (Path, '/', ', ')) as path from Department b WHERE Department_type = 1Execution Result:Sql:Select DISTINCT Substring_index (Substring_index (A.path, ', ', b.help_topic_id + 1), ', ', -1) from (select Group_ CONCAT

 Reproduced1. For ' 1 ', ' 2 ', ' 3 ', ' 4 ', ' 5 ' (comma outside the string) sql> SELECT column_value from TABLE (SYS.  Odcivarchar2list (' 1 ',' 2 ',' 3 ',' 4 ',' 5 ')); Column_value -----------------------------------------

Objective:Because many business tables use a design pattern that violates the first paradigm for historical reasons or for performance reasons. That is, multiple attribute values are stored in the same column (see the following table for specific

Because many business tables use a design pattern that violates the first paradigm for historical reasons or performance reasons, multiple attribute values are stored in the same column. In this mode, the application often needs to divide the column

Comma operatorThe comma operator has the lowest precedence;The comma operator is used to split multiple expressions;The result of a comma-expression consisting of a comma operator is that the result of the last expressionAttention:int i;i =

VBScript Split function usage Usage: return array = Split (original string, string to find, split into several arrays)DescribeReturns a zero-based one-dimensional array that contains the specified number of substrings.GrammarSplit (expression[,

A very common requirement in our daily development process is to separate a string of characters separated by commas or/or other symbols into a single table data. In the front we introduced the [original]sql to convert the comma-separated

The segmented fields must be finite and small in number, and we cannot store infinitely many characters in a stringThe table that this field belongs to has a one-to-many relationship with the table associated with this field.For example, the