How do I select a substring from a column in SQL?

How do I select a substring from a column in SQL?

SQL Server SUBSTRING() function

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

How can I cast a substring in SQL?

Syntax

  1. — Use CAST.
  2. USE sample;
  3. WE GO.
  4. SELECT SUBSTRING(OrderName, 1, 40) AS OrderName, OrderAddress.
  5. FROM Order Details.
  6. WHERE CAST (Order ID AS int) LIKE ‘10%’;
  7. WE GO.
  8. — Use CONVERT.

How can I cast a column in SQL?

We use the CAST function to convert numeric data to character or string data… SQL CAST function

  1. CAST(EXPRESSION AS Data_Type[(Longitud)]
  2. _ _ CAST in the SQL example.
  3. SELECT CAST(123 AS VARCHAR(20)) [result_name]
  4. OF [Fuente]

How to get a substring from a string in SQL Server?

SQL Server: – Get first 3 characters SELECT SUBSTRING (‘New York’, 1, 3) ; # New — Get last 4 characters SELECT RIGHT(‘New York’, 4) ; #York.

How does the substring function work in Oracle?

In Oracle, the SUBSTR function returns the substring of a string starting at the specified position and having the specified length (or to the end of the string, by default). In SQL Server, you can use the SUBSTRING function, but it does not allow you to specify a negative start position, and the length of the substring must be specified.

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How to get part of a string in SQL?

To get the part of a string from a long string, you can use the SQL builtin function i.e. SUBSTRING. Note: This function is called SUBSTRING in MS SQL Server, while in MySQL database, it is called SUBSTR(), SUBSTRING and MID function. All these functions in MySQL database extract the substring.

Is substring function in MS SQL negative?

The SUBSTRING function in the MySQL database starts counting from the end of the string if you supply a negative number. However, the MS SQL Server SUBSTRING function does not. The following example shows the use of the MySQL SUBSTRING function with a negative leading position.