how to format sql query output

This example describes the. NET based on the MVC4 WEB API output JSON format method, share for everyone to reference. The implementation methods are as follows: 1. Add JSON output in Global Copy Code code as follows: GLOBALCONFIGURATION.CONFIGURATION.FORMATTERS.JSONFORMATTER.MEDIATYPEMAPPINGS.ADD (New querystringmapping ("JSON"), "True", "Applica

Php array format output question, ask the gods I have the following table How can I let him output the following array format based on the type and typeid? Thank you. Array ([0] => array ([0] => [1] => wedding service [2] => mechanical equipment [3] => hospital medical service [4] => lighting and lighting [5] =

SQL language Query Basics: Connection queries Multiple table queries can be implemented by connecting operators. Connection is the main feature of relational database model, and it is also a symbol distinguishing from other types of database management system. In the relational database management system, the relationship between the data in the table is not determined, and all the information of an entity

line 31st is a "where 1=1", similar to the placeholder in the programming language, so that WHERE the statement even if there is no error, the following will explain why also add @nl. starting at line 33rd, checks for all single-valued query parameters, and if the argument is not NULL, it is added to the corresponding column of the final SQL string. From here, pay attention to the use of single quotes, dou

Remove latin1 encoded characters from MySQL, display garbled output, PHP How to convert to UTF8 format? Reply content: Remove latin1 encoded characters from MySQL, display garbled output, PHP How to convert to UTF8 format? PHP itself only supports Utf-8 iconv("GBK//IGNORE", "UTF-8", $content); Database Ed

Setup1:Generate the table name file that you want to query:Select table_name from TABLES where table_schema= ' test ' and table_name as ' cust_biz% ' into outfile '/tmp/tab.txt 'SETUP2:Write the shell, query related data from the library, and output to a file in a custom format:[email protected] ~]# cat test.sh#!/bin/shrm-rf/tmp/cst/*Dbuser=rootdbpwd=111222#DBIP

(Jsonmediatypeformatter formatter)6 {7_jsonformatter =formatter;8 }9 Ten PublicContentnegotiationresult Negotiate (type type, httprequestmessage request, ienumerableformatters) One { A varresult =NewContentnegotiationresult (_jsonformatter,NewMediatypeheadervalue ("Application/json")); - returnresult; - } the}1 using overrides in Webapiconfig2 Public Static voidRegister (httpconfiguration config)3 {4 CONFIG. Routes.maphttproute (5Name"Defaultapi",6Routetemp

Jsoncontentnegotiator (Jsonmediatypeformatter formatter) { _jsonformatter = formatter; } Public contentnegotiationresult Negotiate (type type, httprequestmessage request, IenumerableWebapiconfig is used in the override public static void Register (Httpconfiguration config) { config. Routes.maphttproute ( name: "Defaultapi", routetemplate: "Api/{controller}/{id}", defaults:new {id = Routeparameter.optional} ); var jsonformatter = new Json

Use pt-query-digest to find the SQL statement that is not suitable, pt-query-digestsql Overview of pt-query-digest1. Indexes can be executed more quickly, but there must be unreasonable indexes. If you want to find those indexes that are not very suitable and optimize them before they become problems, you can use the p

SQL language query basics: Connection QueryYou can use the join operator to query multiple tables. Connection is the main feature of the relational database model and a symbol that distinguishes it from other types of database management systems.In the relational database management system, the relationship between data does not have to be determined when a table

This article realizes that the data in the database is output directly to the Excel file format and output in the browser. Here is an example of implementation:View examples The following are the referenced contents: Excelexport.aspxinherits= "AspxWeb.mengxianhui.com.ExcelExport"%>! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en"Bordercol

Looking at the example of VFP: Summarize the results of the query in this example, the summary results are displayed in the table control. This article makes further improvements to this example, and you can select Datasheet or text file at run time to output the results of the query as "query results" while displaying

ObjectiveFor a long time did not write a blog, people become lazy a lot, should say originally also not very diligent. But today for this tool, you have to be diligent, there really is no free lunch.The Query Designer and Toad for Oracle, which used SQL Server 2000 before, have the ability to format SQL statements, whi

In the process of software development, it often involves changing the database script file from sh format to SQL format in Linux. This document uses an actual script file as an example to describe In the process of software development, it often involves changing the database script file from sh format to

Tags: php mysqli query output resultsPHP connection MySQL I have already written the article, this article is mainly about the query from the MySQL results after the output of the problem.One: Mysqli_fetch_row ();Query Result: Array ([0]=> Xiao Wang)Inquire: while ($row = My

the sh file, list all functions contained in this document in order, such as the functions included in this document are Init and createtable. 2. Process of generating SQL files (1) Upload sh file Use the FTP tool (such as FileZilla) to upload the example.sh file to the corresponding directory on Linux. (2) using the Dos2unix command to modify the file format Because the example.sh file is written und

' --true display, false --where birthday> ' 1990-01-01 ' SELECT sex from info WHERE SEX was not NULL SELECT SNAME from info WHERE SNAME like '% Month ' ------back up INFO table to Info--bak --1 Info_bak -- 2 Insert query Data Select *into Intfo_bak from INFO-two functions to create a new table Insert query data --note constraint does not back up identity property backup (Identity) SELECT * into Inf

Tags: Network output item command no attribute sqlplus copy representationSqlplus redirects the query results to a file and does not output to the screen: Save the above SQL to a file, and then execute the file in a CMD window Sql>@d:\xxx.sql 1 --number of characters per lin

How can I output the query results in an array? The following is the result I want to achieve... $ Graph-> xaxis-> SetTickLabels (array ('runan mansion ', 'baihua mansion', 'Golden dream mansion ', 'hengfeng mansion', 'huayi mansion ', 'Blue Whale mansion ', 'GG ', 'DD', 'ff', 'hh', 'KK ', 'ff', 'rr', 'TT ',)); I want to use $query_1 = "select * from tbl_area";$sql_1 = mysql_query($query_1);$row_1 = my

PHP connection MySQL I have already written the article, this article is mainly about the query from the MySQL results after the output of the problem. One: Mysqli_fetch_row (); Query Result: Array ([0]=> Xiao Wang) Inquire: while ($row = Mysqli_fetch_assoc ($result)) { $memberlist = $row [0]; }//end while () II: Mysqli_fetch_assos ();