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 ...

REGEXP(string1, string2)--Returns TRUE if any (possibly empty) substring of string1 matches the Java regular expression string2, otherwise FALSE. Returns NULL if any of arguments is NULL.

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 ...

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 ...

Get global perspectives and insights from CEOs on the biggest stories in business. New jobs and developments are booming, but locals have been left to guess how their community fits into the ...

SELECT TO_DATE('{RUN_DATE_YYYY/MM/DD}', 'YYYY/MM/DD') - (TO_NUMBER(TO_CHAR(TO_DATE('{RUN_DATE_YYYY/MM/DD}', 'YYYY/MM/DD'),'DD')) - 1) AS Snapshot_Day ,ASIN ,Order_ID ...

Is it possible to order by a substring in a returned field?<BR>I've got a query which returns at most probably around 10 or so rows of 1 column. However the way this data is formated, it'd be convient ...