what soundex

FunctionReturns a number that represents the sound of a string.GrammarSOUNDEX ( string-expression )ParametersThe string-expression string.UsageThe value of the SOUNDEX function of a string is based on the first letter and the next three consonants

Time Limit: 2 seconds memory limit: 65536 KB Soundex coding groups together words that appear to sound alike based on their spelling. For example, "can" and "khawn", "con" and "gone" wocould be equivalent under soundex coding. Soundex Coding

The SOUNDEX () function is an algorithm that converts any text string into a letter pattern that describes the speech representation.He considered similar to pronounced characters and bytes, and was able to compare the pronunciation of the text

// First confuse var B: Boolean; begin B: = ansiresemblestext ('abc', 'apc '); showmessage (booltostr (B); {true} B: = ansiresemblestext ('abc', 'agc '); showmessage (booltostr (B); {false} B: = ansiresemblestext ('abc', 'aac '); showmessage

-- Sentence skill -- Data Operations SELECT -- retrieve data rows and columns from database tables INSERT -- add new data rows to the database table DELETE -- DELETE data rows from a database table UPDATE -- UPDATE data in the database table -- Data

  -- Sentence skill 1. Data OperationsSelect -- retrieve data rows and columns from database tablesInsert -- add new data rows to the database tableDelete -- delete data rows from a database tableUpdate -- update data in the database table 2.

PL/SQL single-line functions and group functionsA function is a program that has 0 or more parameters and has a return value. Oracle built a series of functions in SQL that can be called SQL or PLFunctions are divided into two main categories:Single-

Comparison of common functions for SQL Server to Oracle 1. Absolute ValueS: Select ABS (-1) ValueO: Select ABS (-1) value from dual 2. INTEGER (large)S: Select ceiling (-1.001) ValueO: Select Ceil (-1.001) value from dual 3. Round (small)S: Select

String function string comparison function if the result length is greater than the maximum value of the max_allowed_packet system variable, the return value of the string value function is NULL. See section 7.5.2 "Adjust server Parameters ". String

Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring. Generally, the entire string is

String functionsstring comparison functionsIf the length of the result is greater than the maximum value of the Max_allowed_packet system variable, the return value of the string value function is null. See section 7.5.2, "Tuning server parameters."

SQL Server common functions I want to record some common SQL functions before, but it has never been implemented... Hey hey... Until today, the substring () function is used. in C #, the start value of this method is 0, while in SQL, the start value

Previously, I wanted to record some of the usual functions of SQL, but it has not been implemented ... Hey...Until today, the substring () function is used, and in C # The starting value of this method is 0, and the starting value in SQL is 1. Silly

Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring. The required and sufficient

String is a finite sequence composed of zero or multiple characters. It is generally recorded as s = 'a1a2 • an '(n> = 0 ). It is the data type that represents text in programming languages.Generally, the entire string is used as the operation

Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring. The required and sufficient

A string or string (string) is a finite sequence consisting of 0 or more characters. Generally recorded as s= ' a1a2 an ' (n>=0). It is the data type that represents text in the programming language. A string is usually used as an action object,

Some common knowledge of databases are important operation statements. Some common knowledge of databases are important operation statements. Drop view -- delete a VIEW from a database Create index -- CREATE an INDEX for the database table Drop

This article uses examples to parse SQL server connection fields ...... Today, icech of Western E wants to export some data of SQL Server. Originally, the year, month, and day are divided into three fields stored in staryear, starmonth, and starday,

Commons codec provides base64, Hex, metaphone, soundex, and Other encoding computations. : Http://commons.apache.org/codec/ A. base64 encoding/DecodingPackage demo; Import org. Apache. commons. codec. Binary. base64; Public class base64test