The CBSE Class 10 and Class 12 board examinations are set to begin in February. The examination for both classes will start on February 17. The Class 10 exams will end on March 10, while Class 12 ...

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Your browser does not support the audio element. In one of the previous articles, I described how to create test cases for MySQL, as well as display their results in ...

Abstract: With the widespread of the internet, text-based data sources have become ubiquitous and the demand of effective support for string matching queries becomes ever increasing. The relational ...

There are quite a few ways to extract words and substrings from lines of text on a Linux system, replace them with other strings, select delimiters, and even get rid of white space at the beginning ...

在使用MySQL进行模糊查询的时候，很自然的会用到like语句。通常情况下，在数据量小的时候，不容易看出查询的效率。但在数据量达到百万级、千万级的时候，查询的效率就很容易显现出来。这个时候查询的效率就显得很重要！ 一般情况下like模糊查询的写法为 ...

How to Extract a Substring in Excel Using FIND() and MID() Functions Your email has been sent Learn how to use MID() and FIND() and then combine them to parse substrings from inconsistent data.

I have a column of data with values resembling this: HL7_Result_for_Message_ID_123Q324343.hl7 I need to grab that ID number (in bold), the challenge being that it can be any and all lengths. I have ...