sql 2008 charindex

SQL Server Character Processing (LastIndexOf usage), STUFF, CHARINDEX, REVERSE, LEN, charindexDECLARE @ s VARCHAR (100)SET @ s = 'r1-1-1 'Get the number after the last "-"Select REVERSE (@ s) Return Value: 1-1-1R reversed characters select LEN (@ s) Return Value: 6 get length select CHARINDEX ('-', REVERSE (@ s) return value: 2 -- Obtain the position where a stri

Northwind. dbo. Categories table contains all records containing the word "Bread" or "bread". Then the selection statement may be like this: Select Description from Northwind. dbo. CategoriesWhere patindex ("% [B, B] read %", description)> 0In PATINDEX, wildcards can be used to determine the upper and lower case "B" Example 2:Find out that the Description field in the Northwind. dbo. Categories table contains the word "Bread" or "bread", and the second sub-letter is not the record of "e. Select

string in another string. The charindex function is called as follows: Charindex (expression1, expression2 [, start_location]) Expression1 is the character to be searched in expression2. start_location is the position where the charindex function starts to find expression1 in expression2. The charindex function r

server| detailed SQL Server charindex and patindex detailed If you have written many programs, you may occasionally encounter the need to determine whether a character or character string is included in a text, and in this article I will discuss using the CHARINDEX and PATINDEX functions to search for text columns and strings. I'll tell you how these two function

the results of the following function commands: charindex (SQL, Microsoft SQL Server) This function command returns the starting position of SQL in Microsoft SQL Server, in which case the CHARINDEX function returns the locat

function command execution results:Charindex (SQL, microsoft SQL server)This function command returns the starting position of "SQL" in "microsoft SQL server". In this example, the charindex function returns position 11 of "s" in "microsoft

follows:CHARINDEX (expression1, expression2 [, Start_location])Expression1 is the character to look for in expression2, Start_location is where the CHARINDEX function begins to find expression2 in expression1.The CHARINDEX function returns an integer that is the position of the string to find in the string being searched for. If CHARINDEX does not find the strin

follows:CHARINDEX (expression1, expression2 [, Start_location])Expression1 is the character to look for in expression2, Start_location is where the CHARINDEX function begins to find expression2 in expression1.The CHARINDEX function returns an integer that is the position of the string to find in the string being searched for. If CHARINDEX does not find the strin

I. test environment: 1. Database: SQL Server 2008 2. Test Table: 15000 records, char primary key, no other indexes 3. Test Field: ntext type, maximum Data Length: 12000 Ii. Test statement: 1. Select * From producttemp where productdesc like '% 192.168.70.236%' 2. Select * From producttemp where charindex ('192. 168.70.236 ', productdesc)> 0 3. Select *

First, test environment: 1. Database: SQL Server 2008 2. Test table: 15000 records, char type primary key, no more index 3. Test field: ntext type, maximum data length 12000 Second, the test statement: 1. SELECT * from producttemp where productdesc like '%192.168.70.236% ' 2. SELECT * from Producttemp where charindex (' 192.168.70.236 ', Productde

Label:There are a lot of functions in SQL, and the following is an introduction to the SQL Charindex function, which hopefully will help you better learn how to use SQL functions.The SQL charindex function returns the starting pos

charindex not to be. Depending on your situation, these two functions are useful for searching, controlling, and analyzing strings in SQL Server. Second, SQL Server charindex and patindex detailed If you have written many programs, you may occasionally encounter the need to determine whether a character or character s

----------------------First introduce the CHARINDEX function----------------------------- The charindex function returns the starting position of a character or string within another string. The charindex function call method is as follows:CHARINDEX (expression1, expression2 [, start_location])Expression1 is the character to look for in expression2,

The CHARINDEX function returns the starting position of a character or string in another string. The CHARINDEX function is called as follows: CHARINDEX (expression1, expression2 [, start_location]) Expression1 is the character to be searched in expression2. start_location is the position where the CHARINDEX function

or higher, charindex returns NULL. If the database compatibility level is 65 or lower, charindex returns NULL only when both expression1 and expression2 are null.If expression1 cannot be found in expression2, charindex returns 0. Problems encountered during actual use:The cursor is used in the above trigger, but in the above usage, when

Tags: SQL statement string wildcard character article developmentAs a yard farmer, in development you may occasionally encounter to determine whether a character or character channeling is included in a text, in this article we will discuss using the CHARINDEX and PATINDEX functions to search for text columns and strings. The following will show you how these two functions work, explaining their differences

1. Left ()Left (Returns the integer_expression character from the left of character_expression.[SQL]View PlainCopy Select Left (' abcdef ', 3) [SQL]View PlainCopy --abc 2.charindex ()CHARINDEX (Returns the beginning of the occurrence of a specified substring in a string.Where substring _exp

Label:CHARINDEX (Transact-SQL) Syntax: CHARINDEX (expression 1, expression 2, start position)Parameters: Expression 1 Expression that contains the sequence-be found. ' xmlspace= ' preserve ' > a character expression that contains the sequence to find. Expressiontofind is limited to 8000 characters. ' xmlspace= ' preserve ' > expression 1 contains a maximum of 8,000 characters. Expression 2 The character ex

SQL has various functions. The following describes how to use the left () function and charindex () function in SQL, it is helpful for you to learn how to use SQL functions.View Code 1. left ()2 LEFT (3. The character character_expression starts from integer_expression on the left.45 2.

1. Left ()Left (Returns the integer_expression character from the left of character_expression.2.charindex ()CHARINDEX (Returns the beginning of the occurrence of a specified substring in a string.Where substring _expression is the character expression to look for, expression can be a string or a column name. If no substring is found, a value of 0 is returned.This function cannot be used with text and image