how to format sql query output

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8.8.2 EXPLAIN Output Format

8.8.2 EXPLAIN Output Format The EXPLAIN statement provides information about the execution plan for the SELECT statement: EXPLAIN returns the row information for each table used by the SELECT statement, which lists the order in which MySQL reads the output of the statements when they are processed. MySQL solves all connections using nested loops, which means that

Questions about the JSON output format of PHP

$select = $this->datas->query("select data01 from ds_meters_320114102 ORDER BY id desc limit 24"); $result = $select->result(); $datas = array(); foreach($result as $row){ $datas[] = $row; } //var_dump($datas); echo json_encode($datas); The above is the JSON that I query the database to derive, this JSON result after

Output data directly into Excel format in asp.net

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 Excelexport.aspx inherits= "AspxWeb.mengxianhui.com.ExcelExport"%>! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en"http://schemas.microsoft.com/intellisense/ie5">Bordercolor= "#C

A simple way to output excel in PHP (CSV format)

If you do not read the data we directly use the following code, you need to export the relevant data to Excel table can be, such a simple operation does not need to use those class library or something. Directly with the header of the way can be:header ("Content-type:application/vnd.ms-excel"); The code is as follows Copy Code Header ("Content-type:application/vnd.ms-excel");Header (' Content-disposition:attachment;filename= "Yingcai.xls");?> Simple and pur

Test the HTML format report output by the database

When you need to develop and output HTML reports in the database, you can directly use the htp package during the process to implement HTML code and output after data processing. and the output is in the desired format (controlled by the HTML Markup Language ). the following is a test example for generating HTML report

Change the date output format (nls_date_format)

Changing the date output format (nls_date_format) in sqlplus) In the work, we encounter the use of spool to export data, where there is a date format field, because the format of each column, you do not want to use to_char to format the date, in addition, if to_char is used

Two pages compiled by the same editor eclipsephp Studio v1.2.2, Print_r output Why is the font size format inconsistent? Use ajax.php Normal, with Osg_aja

Two pages written by the same editor eclipsephp Studio v1.2.2, Print_r output Why is the font size format inconsistent? Use ajax.php Normal, with Osg_aja Two pages written by the same editor eclipsephp Studio v1.2.2, Print_r output Why is the font size format inconsistent? Results result in three level provinces and ci

Method of compressing output of JSON format data returned in PHP program with gzip, jsongzip_php tutorial

The JSON-formatted data returned in the PHP program is compressed with gzip output method, Jsongzip 1. Comparison of HTTP output with compression and not using compression 2. Turn on gzip Use Apache Mod_deflate module to open gzipTo open a method: sudo a2enmod deflatesudo/etc/init.d/apache2 restart Close method: sudo a2dismod deflatesudo/etc/init.d/apache2 restart 3. Set the type of

Why not satisfy the condition or enter if output the user name format exception qaq

Why not satisfy the condition or enter if output username format error Qaq Enter format to check the values of each variable But strlen ($username) =9 Result1=1 Or will you run into if? Output User name format error This is the only paragraph in the entire code. "Bad Use

Mysql-evaluate the php output json format

For example, what is the json format output after 10 loops, because php does not understand quot; while ($ rowmysql_fetch_array ($ query) {$ sayList [] array ( #39; title #39; gt; quot; aa quot;, #39; pic #39; gt; quot; bb quot ;);} echojson_encode ($ sayList); quot; for a single time, it should be { quot; title quot;: quot; aa quot;, qu mysqlphpjs

Configuring Tomcat's access log format output

This document describes how to configure the access log for Tomcat and output the specified log format as required.and in the Nginx+tomcat configuration environment, how to let Tomcat record the guest real IP address。 This article is original content, reprint please indicate source: Jdiy official website Http://jdiy.net/read.jsp?id=y0hab3qs03 in Tomcat's Server.xml file, the host configuration area is found

In Linux, how does one change the database script file from the sh format to the SQL format,

} # Execute function Init CreateTable Note: (1) This file is used to create the tb_employeeinfo table. The generated script file name is example. SQL. (2) The Init function is used to output information on the screen, and the CreateTable function is used to create a data table. (3) At the end of the sh file, list all functions contained in this file in sequence. For example, the functions included in thi

Using Csv-format Log Output

IncludingCsvlogIn thelog_destinationList provides a convenient-to-import log files into a database table. This option emits the log lines in Comma-separated-values (CSV) format, with these columns:time stamp with milliseconds, user name, database name, process ID, client host:port number, Session ID, Per-session line number, command tag, session start time, virtual transaction ID, regular transaction ID, err or severity, SQLSTATE code, error message,

Oracle tree-like recursive PL/SQL Output control includes a space output control

;V_str VARCHAR2 (2048): = ";BeginFor I in 0..v_alevel loopV_STR: =v_str| | ' ‘;End Loop;For v_article in C loop dbms_output.put_line (v_str| | V_article.cont);if (v_article.isleaf =0) ThenTree (V_article.id,v_article.alevel);End If;End Loop;EndThe n*4 spaces in front of the result are not displayed:After setting the space output, the problem is resolved:Other issues: The first layer of output should not hav

Use log4net to output log files in csv format, log4netcsv

Use log4net to output log files in csv format, log4netcsv Some logs are recorded during the program running. As a durable log component, log4net is trustworthy. In small and medium enterprises, there is often no professional log server to process logs generated by applications, and poorly formatted log files make it difficult to collect, analyze, and search logs after they are launched. As a common office s

Sqlplus output format sorting

Sqlplus output display adjustment SQL> set linesize 32767 Set the linesize to the maximum. You can try 99999 first and the system will prompt that the value is out of the range. SQL> set heading off In fact, the display effect is still unsatisfactory. It is not as automatic table output as MySQL, and needs to be improv

The shell calls MySQL in the original format output to the file inside

Sql5= "SELECT * from table name;";The first of these methods#ss1 =$ (mysql-u $DB _user-h ${db_ip}-p${db_passwd} $DB _name-e "$sql 5" |awk ' nr>1 ');Or#ss1 =$ (mysql-u $DB _user-h ${db_ip}-p${db_passwd} $DB _name-e "$sql 5");#echo "$ss 1" >saiche-$day. txt;#sed-i "s/' echo-e \\\t '/|/g" saiche-$day. txt;The second method ofMysql-u $DB _user-h ${db_ip}-p${db_passwd} $DB _name-t-E "$

PHP Output Excel Simple method (CSV format) _php tutorial

Information Sheet. xls ");Require_once ('./class.db.php ');$db = new db (' localhost ', ' app_vmovies ', ' root ', ' 123456 ');$sql = ' select * ' from ' user ' ORDER by ' ID ' desc ';$ret = $db->get_results ($sql);The output reads as follows:echo "ID". " T ";echo "nickname". " T ";echo "Gender". " T ";echo "OpenId". " T ";echo "platform". " T ";echo "Registrati

Simple php excel output method (csv format)

= 'select * from 'user' order by 'id' desc ';$ Ret = $ db-> get_results ($ SQL );// The output content is as follows:Echo "ID". "t ";Echo "nickname". "t ";Echo "gender". "t ";Echo "OpenId". "t ";Echo "Platform". "t ";Echo "Registration Date". "t ";Echo "n ";$ Len = count ($ ret );For ($ I = 0; $ I Echo $ ret [$ I] ["id"]. "t ";Echo $ ret [$ I] ["nickname"]. "t ";Echo $ ret [$ I] ["gender"]. "t ";Echo $ ret

Php simple excel output method (csv format) _ PHP Tutorial-php Tutorial

and pure php excel sheet export method, with too many explanations and fancy decoration, can be understood at a glance The code is as follows: Header ("Content-type: application/vnd. ms-excel ");Header ("Content-Disposition: attachment; filename ...xls ");Require_once ('./class. db. php ');$ Db = new DB ('localhost', 'app _ vmovies ', 'root', '123 ');$ SQL = 'select * from 'user' order by 'id' desc ';$ Ret = $ db-> get_resul

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