How do I extract a string after a character in SQL?

How do you get a string after a specific character in SQL?

A possible query will look like this (where col is the name of the column that contains your image directories: SELECT SUBSTRING(col, LEN(SUBSTRING(col, 0, LEN(col) – CHARINDEX (‘/’, col))) + 1, LEN(col) – LEN(SUBSTRING(col, 0, LEN(col) – CHARINDEX (‘/’, col))) – LEN(SUBSTRING( col, CHARINDEX (‘.

How do I extract a string from a word in SQL?

Introduction to the SQL SUBSTRING function

  1. The source_string is the string from which you want to extract the substring.
  2. The position is the starting position where the substring begins. The first position of the string is one (1).
  3. The length is the length of the substring. The length argument is optional.

How do I substring a character in SQL?

SQL Server SUBSTRING() function overview

  1. input_string can be a character, binary, text, ntext, or image expression.
  2. start is an integer that specifies the location where the returned substring starts. …
  3. length is a positive integer that specifies the number of characters of the substring to be returned.
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How do I get the value before a specific character in SQL?

You can use the MySQL SUBSTRING_INDEX() function to return everything before or after a certain character (or characters) in a string. This function allows you to specify the delimiter to use, and you can specify which one (in the event that there’s more than one in the string).

What is Instr in SQL?

INSTR() is a string function in standard query language (SQL) which returns the starting position or location of a substring or pattern in the given input string. … SQL INSTR() function returns the first occurrence of a substring in an input string.

How do you extract a substring from a string in Python?

Extract Substring Using String Slicing in Python

  1. [:] -> Returns the whole string.
  2. [4 : ] -> Returns a substring starting from index 4 till the last index.
  3. [ : 8] -> Returns a substring starting from index 0 till index 7 .
  4. [2 : 7] -> Returns a substring starting from index 2 till index 6 .

How do you find the length of a string in SQL?

Well, you can use the LEN() function to find the length of a String value in SQL Server, for example, LEN(emp_name) will give you the length of values stored in the column emp_name.

How do you concatenate in SQL?

SQL Server CONCAT() Function

  1. Add two strings together: SELECT CONCAT(‘W3Schools’, ‘.com’);
  2. Add 3 strings together: SELECT CONCAT(‘SQL’, ‘ is’, ‘ fun!’ );
  3. Add strings together (separate each string with a space character): SELECT CONCAT(‘SQL’, ‘ ‘, ‘is’, ‘ ‘, ‘fun!’ );

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

SELECT `name` FROM `students` WHERE `marks` > 75 ORDER BY SUBSTR(`name`, -3), ID ASC; SUBSTR(name, -3) will select the last three characters in the name column of the student table.

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How do you check if a column contains a particular value in SQL?

“how to check if a column contains a particular value in sql” Code Answer

  1. Declare @mainString nvarchar(100)=’Amit Kumar Yadav’
  2. —Check here @mainString contains Amit or not, if it contains then retrun greater than 0 then print Find otherwise Not Find.
  3. if CHARINDEX(‘Amit’,@mainString) > 0.
  4. begin.
  5. select ‘Find’ As Result.

How do I separate a character from a number in SQL?

SQL Server User-Defined Function

  1. CREATE FUNCTION dbo.GetNumericValue.
  2. (@strAlphaNumeric VARCHAR(256))
  3. RETURNS VARCHAR(256)
  4. AS.
  5. BEGIN.
  6. DECLARE @intAlpha INT.
  7. SET @intAlpha = PATINDEX(‘%[^0-9]%’, @strAlphaNumeric)
  8. BEGIN.

What are SQL constraints?

Constraints are the rules that we can apply on the type of data in a table. That is, we can specify the limit on the type of data that can be stored in a particular column in a table using constraints. The available constraints in SQL are: … That is, the values in any row of a column must not be repeated.

How do I left a character in SQL?

The LEFT() function extracts a given number of characters from the left side of a supplied string. For example, LEFT(‘SQL Server’, 3) returns SQL . In this syntax: The input_string can be a literal string, variable, or column.

How Use Left query in SQL?

SQL Server LEFT() Function

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