Returning a Chunk of an Expression : SUBSTRING « String Functions « SQL Server / T-SQL Tutorial

1.	Query
2.	Insert Delete Update
3.	Table
4.	Table Join
5.	Data Types
6.	Set Operations
7.	Constraints
8.	Subquery
9.	Aggregate Functions
10.	Date Functions
11.	Math Functions
12.	String Functions
13.	Data Convert Functions
14.	Analytical Functions
15.	Sequence Indentity
16.	View
17.	Index
18.	Cursor
19.	Database
20.	Transact SQL
21.	Procedure Function
22.	Trigger
23.	Transaction
24.	XML
25.	System Functions
26.	System Settings
27.	System Tables Views
28.	User Role
29.	CLR

SQL Server / T-SQL Tutorial » String Functions » SUBSTRING

12.22.2.Returning a Chunk of an Expression

4>

5> DECLARE @BankAccountNumber char(14)

6> SET @BankAccountNumber = '1111-1111-1111'

7> SELECT 'XXXX-' + SUBSTRING(@BankAccountNumber, 6,4) + '-XXXX' Masked_BankAccountNumber

8> GO

Masked_BankAccountNumber

------------------------

XXXX-1111-XXXX



(1 rows affected)

1>

12.22.SUBSTRING
	12.22.1.	SUBSTRING is used to retrieve part of a string from another string. The syntax for the function is as follows:
	12.22.2.	Returning a Chunk of an Expression
	12.22.3.	Substring with variable
	12.22.4.	SUBSTRING(FullName, CHARINDEX(' ', FullName) + 1, LEN(FullName))
	12.22.5.	select SUBSTRING('(559) 555-1212', 7, 8)
	12.22.6.	Return first name
	12.22.7.	Get the last name
	12.22.8.	A SELECT statement that uses the LEFT, RIGHT, and SUBSTRING functions

java2s.com | Contact Us | Privacy Policy

All other trademarks are property of their respective owners.