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Using POSITION Functions
When you're experimenting with substring functions, check to see if your system allows an optional third argument. If no third argument is required, and you leave it out, the SQL engine displays all c...
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How to Update a Substring in Oracle
1. Determine the column that contains the substring to update. In this example, column "ID" in table "Users" requires updating: each entry in ID contains the substring "id," which you update to "pid"....
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Change a Substring with SQL
However, my SQL command gives me an invalid token error at the opening parenthesis of SUBSTR in the SET statement. Is there a rule that you can’t use SUBSTR in a SET statement? If so, do you have a wo...
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Use SQL To Change A Substring
Occasionally I need to change part of a string value in a database table. SQL has three mechanisms that let me accomplish such a thing. Do you know what those three mechanisms are and how to use them?...
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Substring Function in SQL Server
Is there any way i can get the substring of above string ? Thanks in advance for your help. SUBSTRING(N’世田谷区経堂世田谷区経堂’,5,6) will give the expected result, but since am writing a function to handle such...
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MySQL Substring to Find a Character & Return Left
McDonnell, Steve. "MySQL Substring to Find a Character & Return Left." Small Business - Chron.com, http://smallbusiness.chron.com/mysql-substring-character-return-left-38065.html. Accessed 10...
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Comparing SQL Server and MySQL Functions
You’ll be happy to know that the following functions are usable in both MySQL and SQL Server queries without any modifications: ASCII, LEFT, LOWER, LTRIM, REPLACE, REVERSE, RIGHT, RTRIM, SOUNDEX, ...
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REGEXP_SUBSTR
REGEXP_SUBSTR extends the functionality of the SUBSTR function by letting you search a string for a regular expression pattern. It is also similar to REGEXP_INSTR, but instead of returning the ...
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Normalizing Name Data in SQL Server
My article titled "String Manipulations with SQL Server 2000" gives a quick overview of all string ... IN ('jr', 'sr', 'ii', 'md', 'iv') AND SUBSTRING(REVERSE(full_name), 3, 1) IN (' ', ',', '.') THEN...
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SQL Substring function in SQL Server
The requirement of data refactoring is very common and vital in data mining operations. In the previous article, you’ll learn the tips for getting started with SQL string functions, including the SQL ...
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Parsing HTML in SQL Server
Parse the data with something else. T-SQL does have functions like REPLACE, CHARINDEX, and SUBSTRING though, perfect for searching for tags and returning just the values between them. CLRs could do it...
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