sql server fuzzy string comparison

Default in SQL Server is not sensitive to case, for example, Username= ' Jesse ' and Username= ' Jesse ' result are the same. When validating a password, you may need to be sensitive to string capitalization, and you need to do some processing to introduce two methods: Method Ⅰ: Convert to binary and then compare, because the case of the ASC code is different. F

Tags: sele replace char convert get serve strong--weightOriginal address: http://www.maomao365.com/?p=7307Summary:previously, when splitting a string, it was handled in a way similar to the Split function, and the following shared a way of separating a regular string.that is: 1. Use the Replace function to turn the string into a compliant XML format string2. Get the specified

Label:One, SQL Server date-time functionsDate and time functions in SQL Server1. Current system date, timeSelect GETDATE ()2. DateAdd returns a new datetime value based on adding a period of time to the specified dateExample: Add 2 days to the dateSelect DATEADD (day,2, ' 2004-10-15 ')--return: 2004-10-17 00:00:00.0003. DateDiff returns the number of date and tim

Tags: MVC ASP. NetLearning ASP. NET MVC5 Official Tutorial Summary (v) Creating a connection string using SQL Server LocalDBIn the previous chapter, we created the Moviedbcontext class to connect to the database, to manipulate the mapping of the movie object and the database record. However, we did not specify which database to use or which database to use. In fa

Source: Author: Water-Scarce dolphin sources: Blog Park Published: 2010-09-21 21:47 read: 6,136 recommendations: 0 original link [favorites]absrtact: The data content used by ExtJS is basically JSON format, and to be developed with ASP, it is necessary to format the data into JSON. So the author implements a method for generating a JSON string. Recently in Learning ExtJS and ASP, the former use of data content is basically JSON format, and then want t

Copy codeThe Code is as follows: CREATE function getcolor (@ Varchar (50), @ varchar (50 )) Returns varchar (200) As Begin Declare @ SQL varchar (2000); set @ SQL ='' -- Distinct Select @ SQL = @ SQL + color + ', 'From ( Select distinct color from yourtablename where Well id = @ well ID and horizon = @ horizon and colo

the number of students. The difficulty lies in how to count different email servers. For example, the cbmichael@163.com richman@163.com is a 163.com email in statistics. That is to say, what we really want to calculate is the part following! Here I first thought about getting the string part. I remember that there was a mid function in Excel that could work like this. Now I want to change the SQL and find

Grammar REPLACE (' String_expression1 ', ' string_expression2 ', ' String_expression3 ') Parameter description ' String_expression1 ' The string expression to search for. String_expression1 can be either character data or binary data. ' String_expression2 ' The string expression to find. String_expression2 can be either character data or binary data. ' String_expression3 ' The

Summary of ASP. NET MVC5 official tutorial (5) use SQL Server LocalDB to create a connection string, mvc5localdbSummary of ASP. NET MVC5 official tutorial (5) use SQL Server LocalDB to create a connection string In the previous ch

Found today Microsoft ole db provider for SQL Server (0x80040e07) A syntax error occurs when converting a string to datetime. . Check the program and find that the current time obtained in the program uses now () and response. the write output indicates that "Morning" or "Afternoon" appears in the string, while the dat

Label:Sometimes we use the bulk operation to split the string, but SQL Server does not have the Split function, so you have to implement it yourself. There's nothing to say, just take it with the friends you need. SETAnsi_nulls on GO SETQuoted_identifier on GO /*by Kudychen 2011-9-28*/ CREATE function [dbo].[splitstring] ( @Input nvarchar(Max),--input

Label: string AA="1,2,3"; String Sqltxt="Select*from thewhere in ("+ AA+")"; It is possible to convert a string such as "one-way" to a temporary table with one column, 3 rows, and one item in each row (separated by commas) This function can be written like this: GO /** * * * object:userdefinedfunction [dbo]. [Strtotable] Script DATE:2016/3/1 18:53:35 * * * *

Three database date conversions comparison:http://blog.csdn.net/zljjava/article/details/17552741SQL type conversion function: Cast (type1 as Type2)Date types in the database SQL SERVERDATE 1970-01-01DATETIME 1970-01-01 00:00:00OracleDATE 2015-08-07 17:34:37TIMESTAMP 1970-01-01 00:00:00.000000 is the extended type of date, with fractional secondsDate-to-string OracleTo_char (sysdate, ' yyyy-mm-dd ')Select To

Tags: string conversion character name number keyword function execution injection stringIn SQL Server, a string that is separated by a comma "," is converted to a table and applied with the in condition Select from where inch (1,2,3) Such statements and commonly used, but if in the next one of the next-to-last is a v