How do I replace multiple substrings in SQL?

How do you do multiple replace in SQL?

You can do it using CTE to split the table values into E, P and M, then replace and put back together. I assumed each record has a unique identifer Id but please replace that with whatever you have.

How do I replace in SQL?

The basic syntax of replace in SQL is: REPLACE(String, Old_substring, New_substring); In the syntax above: String: It is the expression or the string on which you want the replace() function to operate.

How can I replace multiple characters in a string in Oracle?

SELECT REPLACE(REPLACE(‘TEST123′,’123′,’456′),’45’,’89’) FROM DUAL; will replace the 123 with 456, then find that it can replace the 45 with 89. For a function that had an equivalent result, it would have to duplicate the precedence (ie replacing the strings in the same order).

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How can I remove multiple special characters from a string in SQL?

How To Remove Characters & Special Symbols From String Using SQL Function

  1. Create function [dbo].[RemoveCharSpecialSymbolValue](@str varchar(500))
  2. returns varchar(500)
  3. begin.
  4. declare @startingIndex int.
  5. set @startingIndex=0.
  6. while 1=1.
  7. begin.
  8. set @startingIndex= patindex(‘%[^0-9. ]%’,@str)

Is there a Replace function in SQL?

SQL Server REPLACE() Function

The REPLACE() function replaces all occurrences of a substring within a string, with a new substring. Note: The search is case-insensitive. Tip: Also look at the STUFF() function.

How do I change the first 3 characters in SQL?

Remove first and last character from a string in SQL Server

  1. Using the SQL Left and Right Functions. Declare @name as varchar(30)=’Rohatash’ Declare @n varchar(40) =left(@name, len(@name)-1) Select right(@n, len(@n)-1)
  2. Using the Substring and Len Functions. Declare @string varchar(50) SET @string=’rohatash’

How do I replace multiple characters in a string in SQL Server?

If you use SQL Server 2017 or 2019 you can use the TRANSLATE function. In this example de pipe, plus, comma en minus are all replaced by an underscore. You can change every character with its own one. So in the next example the plus and minus are replaced by a hash.

How can I replace part of a string in a column in SQL?

If you’d like to replace a substring with another string, simply use the REPLACE function. This function takes three arguments: The string to change (which in our case was a column). The substring to replace.

How does replace into work?

The REPLACE [INTO] syntax allows us to INSERT a row into a table, except that if a UNIQUE KEY (including PRIMARY KEY) violation occurs, the old row is deleted prior to the new INSERT, hence no violation.

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How can I remove multiple special characters from a string in Oracle?

If you want to replace multiple, you can use nested functions, which can get messy. REGEXP_REPLACE uses regular expressions to replace characters.

In Oracle SQL, you have three options for replacing special characters:

  1. Using the REPLACE function.
  2. Using the REGEXP_REPLACE function.
  3. Using the TRANSLATE function.

What is regex replace in SQL?

REGEXP_REPLACE extends the functionality of the REPLACE function by letting you search a string for a regular expression pattern. By default, the function returns source_char with every occurrence of the regular expression pattern replaced with replace_string .

How does regex replace work?

Replace(String, String, String, RegexOptions, TimeSpan) In a specified input string, replaces all strings that match a specified regular expression with a specified replacement string. Additional parameters specify options that modify the matching operation and a time-out interval if no match is found.

How do you replace special characters in SQL query?

Try this:

  1. DECLARE @name varchar(100) = ‘3M 16″x25″x1″ Filtrete® Dust Reduction Filter’;
  2. SELECT LOWER(REPLACE(REPLACE(REPLACE(REPLACE(@name, ‘”x’, ‘-inches-x-‘), ‘” ‘, ‘-inches-‘), CHAR(174), ”), ‘ ‘, ‘-‘));

How do I remove extra characters in SQL?

SQL Server TRIM() Function

The TRIM() function removes the space character OR other specified characters from the start or end of a string. By default, the TRIM() function removes leading and trailing spaces from a string. Note: Also look at the LTRIM() and RTRIM() functions.

How do I remove special characters from a column in SQL?

You can remove special characters from a database field using REPLACE() function. The special characters are double quotes (“ “), Number sign (#), dollar sign($), percent (%) etc.

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