How do I select a special character in a string in SQL?

How do I find a specific character in a string in SQL?

SQL Server CHARINDEX() function overview

SQL Server CHARINDEX() function searches for a substring inside a string starting from a specified location. It returns the position of the substring found in the searched string, or zero if the substring is not found. The starting position returned is 1-based, not 0-based.

How do you handle special characters in SQL query?

Use braces to escape a string of characters or symbols. Everything within a set of braces in considered part of the escape sequence. When you use braces to escape a single character, the escaped character becomes a separate token in the query. Use the backslash character to escape a single character or symbol.

How do I select a string in SQL?

SQL Server SUBSTRING() Function

1. Extract 3 characters from a string, starting in position 1: SELECT SUBSTRING(‘SQL Tutorial’, 1, 3) AS ExtractString;
2. Extract 5 characters from the “CustomerName” column, starting in position 1: …
3. Extract 100 characters from a string, starting in position 1:

How do I select the first 3 characters in SQL?

SELECT LEN(column_name) FROM table_name; And you can use SUBSTRING or SUBSTR() function go get first three characters of a column.

How do I exclude a special character in SQL query?

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)

How remove special characters from a string in mysql select query?

This section will remove the characters from the string using the TRIM() function of MySQL. TRIM() function is used to remove any character/ whitespace from the start/ end or both from a string.
…
Remove characters from string using TRIM()

How do I remove special characters from a string?

Example of removing special characters using replaceAll() method

1. public class RemoveSpecialCharacterExample1.
2. {
3. public static void main(String args[])
4. {
5. String str= “This#string%contains^special*characters&.”;
6. str = str.replaceAll(“[^a-zA-Z0-9]”, ” “);
7. System.out.println(str);
8. }

How do I replace a character in a string in SQL Server?

To replace all occurrences of a substring within a string with a new substring, you use the REPLACE() function as follows:

1. REPLACE(input_string, substring, new_substring); …
2. SELECT REPLACE( ‘It is a good tea at the famous tea store.’, ‘

What is literal character string in SQL?

A string literal is a sequence of zero or more characters enclosed by single quotes. The null string ( ” ) contains zero characters. A string literal can hold up to 32,767 characters. PL/SQL is case sensitive within string literals. For example, PL/SQL considers the literals ‘white’ and ‘White’ to be different.

How do I get last three characters of a string in SQL?

SQL Server RIGHT() Function

1. Extract 3 characters from a string (starting from right): SELECT RIGHT(‘SQL Tutorial’, 3) AS ExtractString;
2. Extract 5 characters from the text in the “CustomerName” column (starting from right): …
3. Extract 100 characters from a string (starting from right):

How do you truncate a string in SQL?

The basic syntax is SUBSTR(string, position, length), where position and length are numbers. For example, start at position 1 in the string countryName, and select 15 characters. Length is optional in MySQL and Oracle, but required in SQL Server.

How do I get the first character of a string in mysql?

1 Answer

1. You can use MYSQL SUBSTRING () Function in this way:
2. Have a look at this video to understand where to use String Functions with syntax and examples.
3. Parameters used in the SUBSTRING method is as follows:
4. Col_Name: This is required to extract the string.
5. 1: This is required for start position.