Splitting Comma-Separated Values in MySQL and Performing Count Statistics
Splitting Strings Using Built-in Tables
To transform a comma-separated string into rows, the help_topic system table can be used. This approach leverages the sequential IDs present in the table.
SELECT
SUBSTRING_INDEX(
SUBSTRING_INDEX('a,b,c,d,e,f,g,h', ',', help_topic_id + 1),
',',
-1
) AS extracted_value
FROM mysql.help_top ...
Posted on Sat, 19 Sep 2026 16:18:19 +0000 by MHardeman25
Essential MySQL Functions for String, Numeric, Date, and Conditional Operations
MySQL functions are predefined code blocks that perform specific operations and return a result. They are categorized into four primary types: string functions, numeric functions, date functions, and conditional (flow control) functions.
String Functions
Commonly used string manipulation functions include:
Function
Description
concat(s1, ...
Posted on Mon, 14 Sep 2026 16:47:21 +0000 by widget
String Concatenation and Aggregation Functions in MySQL
MySQL offers several functions for string manipulation and aggregation in queries, such as CONCAT(), CONCAT_WS(), and GROUP_CONCAT(). These tools are essential for combining text data and summarizing grouped results efficiently.
The CONCAT() Function
CONCAT() merges multiple strings into a single string. Its syntax is:
CONCAT(string1, string2, ...
Posted on Tue, 08 Sep 2026 16:23:21 +0000 by ossi69