Professional Hypertext Preprocessor, a widely used platform for dynamic web applications.

learn more… | top users | synonyms

0
votes
1answer
33 views

Php, MySql - Optimisation

I asked this on the general site, but they suggested I come here for ultimate optimisation. It really boils down to which is faster; doing a load of calculations in php with database stuff that is ...
1
vote
0answers
61 views

use IFNULL in laravel

I have a query in laravel which is working fine. $subjects = $app->db->table('subjects')->LeftJoin('downloads', 'subjects.subjectID', '=', 'downloads.subject_id') ->where('...
-1
votes
1answer
22 views

How to sort student result based on subjects

I have this mysql table How can i sort this MYSQL table to this output:
0
votes
1answer
33 views

How to find the most common phrases in a MySQL database

I have a table which contains articles on movies. Each article has a title and many of them have common phrases in them. I would like to do some analysis on the data and extract these common phrases ...
0
votes
2answers
200 views

mysql too many connections in linux/nginx/php-fpm/php server

One of my mysql client reports "too many connections" of the mysql server. With the processlist of the mysql server, I find many connections come from a client with LNMP(linux nginx mysql php). The ...
0
votes
1answer
127 views

want to import exported xml file in wamp phpmyadmin

I have exported single table from wamp phpmyadmin as xml file for data verification and want to import it again into database as mysql table. Please give me guidance, how its possible?
1
vote
2answers
42 views

How to determine if a column already exists in a MySQL table before altering the table to add it?

I am trying to determine if a column already exists in a MySQL table before altering the table to add it. I need an all in one query I can run since I am executing this through an old PHP mysql ...
1
vote
1answer
68 views

Best way to create searchable and sortable product database

I'm pretty good with coding but I'm a noob at database design. This is a common problem but I didn't see an exact answer so I just want to confirm before I start coding everything. I have a shopping ...
0
votes
1answer
114 views

Combining 2 SELECT queries and printing the results in PostgreSQL

I have 2 queries which I want to use together to produce one output result to the user. The output describes to the user the journey to take to from A to B. I keep getting a syntax error when I try to ...
1
vote
1answer
48 views

lat, long based search with $near shutdown my mongodb on Linux server

Hey guys i am stuck on critical problem & unable to resolve it. I have a project where there is a collection of UK postcodes having 18,00,000 sample postcode records. I have a search query where i ...
3
votes
0answers
81 views

Is this user-storage database system efficient, effective and secure?

I am using: PHP Version 5.2.17-MIT-BACKPORT-GnuTLS SQLite 2.8.17 I have a database called users, which currently has a table called root. There will be others, once I get all the rows for root ...
3
votes
1answer
117 views

PostgreSQL UNIQUE constraint error message

On Appendix A: PostgreSQL error codes, it says: For some types of errors, the server reports the name of a database object (a table, table column, data type, or constraint) associated with the ...
0
votes
2answers
63 views

Mysql show no more than 5 concurrent connection

I'm performing some load tests on my brand new server Apache/PHP/Mysql (Bitnami LAMP stack ). I'm using AWS with 1 EC2 instance behind a loadBalancer. At the moment I'm using loader.io for the tests. ...
0
votes
1answer
28 views

Is this an appropriate forum for help with beginners dba questions? [closed]

I've installed MAMP and Wordpress on a local machine to learn about databases. Can anyone recommend a 'hello world' type tutorial, where I can create my own database within this environment? I ...
1
vote
0answers
46 views

Exactly what are MySQL connections? [closed]

There are tons of questions on how to deal with errors around reaching the maximum number of connections in MySQL. I often program in PHP so answers generally range from changing the max_connections ...
0
votes
1answer
71 views

Error: “mod_fcgid: can't apply process slot for” makes my server unresponsive for a period of time

Following error keeps appearing in my PHP error_log mod_fcgid: can't apply process slot for So far I pinpointed this issue to following settings in httpd.conf FcgidMaxProcessesPerClass 8 ...
0
votes
2answers
73 views

Spanish characters saved incorrect in Mysql

I have googled this already, but I couldn't find what's wrong in my situation. I have a wordpress site that has a lot of non-english users which type in words such as "español" it is printed ...
0
votes
0answers
18 views

Sum data from 3 tables(joining), but one of may no data then other tables data will show

I am making a stock group summary report for this I am making Sum data from 3 joining tables, but one of may no data then other tables data will show. I have 3 tables as: ac_stock_item, ...
0
votes
1answer
86 views

Copy table form MS-SQL server to MySQL, is it possible? [closed]

I have a procedure, say "proc1", inside a MS-SQL server. I would like to create a table (copy of proc1) inside a MySQL server. So far what I do is this: 1-Create a connection to MS-SQL Server 2- run ...
1
vote
0answers
38 views

implement geo / spatial / proximity search with php and mysql — what have you done successfully

For my website's users, I want to implement a worldwide geo / spatial / proximity search with php and mysql. I want to do this as simply and minimally as possible. What is the minimum data I should ...
1
vote
1answer
65 views

Different types of users in one table, How to add data off different users

I have 5 type of users: Super Admin Coordinator Supervisor Student External Examiner All of them have some common attributes like ID, name, email etc. I have inserted them in one table user ...
0
votes
1answer
170 views

Delete duplicate with same ID PHP/PDO/MYSQL

I'm new to databases and I need your help I'm working on a website and I have few problems. I'm using PDO. There is a user table, with unique ID, name and password. User enters his username and ...
1
vote
2answers
51 views

Fulltext searching on shared hosting - 2000 Entires with around 500 words each

I'm fairly new to db administration and would appreciate some help. I want to host a site which requires full text search on around 2000 items, each with around 500 words each. I need this to be ...
0
votes
1answer
51 views

Fetching data from 3 tables

Wanna fetch data from 3 tables by mysql query to display in feed. But stack. My query is "SELECT f.leaderId, f.followerId, c.ccId, c.ccTitle, c.ccCity, c.ccCountry, c.ccFlag, c.uId, c.ccStartingDate,...
5
votes
1answer
32 views

Execute query cache on startup - Reasonable?

I have a rather database intensive application for a server which is intended to be turned off and on throughout the day. The issue comes at first use of the application after startup; it is slower ...
-1
votes
1answer
121 views

Grouping by each user's statuses or activity datetime

I’ve been trying to figure out in what best way I can implement a stream of activities, that groups a user’s activities that were done on a specific date where the time hh:mm:ss doesn’t differ much (...
3
votes
1answer
53 views

Creating a query to pull very specific information using four tables

I have four tables, with a structure like this: testData This table holds all test data for every user. Each row associates one response for a question, divided up by test. A user can have many ...
2
votes
0answers
79 views

MySQL high performance difference between two similar databases

I'm currently upgrading from TecDoc 2015 Quarter 2 database to TecDoc 2015 Quarter 4 database. Q2 Database: 240,838,107 rows InnoDB utf8_general_ci 23.2 GiB Q4 Database: 265,508,380 rows ...
0
votes
0answers
69 views

Error on connecting to mysqli

I have a virtual server that I'm running MySQL Server on that and Operation System is Windows Server 2012. from my own System I mean home PC , easily I can connect remotely to MySQL Server without ...
1
vote
1answer
29 views

SELECT with equal chance between same IDs - MySQL

How can I SELECT data with equal chances for same IDs in MySQL (for php). For example, assume below data structure: id value 1 alfa 1 beta 1 gamma 2 hello 2 bye 3 sky I want (...
0
votes
0answers
107 views

SET FOREIGN_KEY_CHECKS=1; Commands out of sync; you can't run this command now

I am getting errors that I do not know how to solve using MySQL and php. The error is this... SET FOREIGN_KEY_CHECKS=1; Commands out of sync; you can't run this command now I am trying to run the ...
0
votes
2answers
30 views

Migrating Pure PHP Site with Associated Database To New Server

First, let me say I'm not a DBA or network admin, but have moved large scale CMS websites from host to host. But, I have never moved a pure php coded database driven website from one host to another. ...
1
vote
2answers
43 views

How to subtract an object from another in PHP/MySQL?

I am printing totalbooks with this code: $query ="select sum(copies) as totalbooks from booksdetail"; $result=mysqli_query($con, $query); while($row=mysqli_fetch_array($result)){ echo $row['...
0
votes
0answers
30 views

Auto Insert new entry's in different database

I have 2 websites with similar MySQL database and both on same server (Linux) When a user register on website A I want to copy the user data to website B database (adb.users to bdb.users). Is there a ...
1
vote
1answer
899 views

Load csv file to mysql using load data local infile

I need a simple way to load a csv file from my computer to the database (which is on a remote server). I'm trying to load the file using a php page that executes this code: $file = $_FILES['csv']['...
0
votes
0answers
10 views

MySQL - Remote Connections - In what format are credentials sent across the internet

Situation I have 3 MySQL servers on 3 machines. Sometimes they have to interact with each other which requires a remote connection from one machine to the other, usually via a PHP PDO connection. ...
1
vote
1answer
38 views

Multiple increments in table

Let's say I have a table which stores different bills. There are multiple departments using this database and every department needs to use their own incremental numbering for the bills. I do ...
0
votes
1answer
295 views

PhpMyAdmin Import Error-MySQL server has gone away/Unrecognized Keyword

So I've exported a MySQL database from PHPMyAdmin (which I access from within IIS Express on a Windows 8 machine) and I'm trying to import this database onto another machine, however on that machine I ...
2
votes
1answer
291 views

Challenging MySQL query, compare two records to find if they match or not

I have a large (88K rows) table that holds data in pairs. For a specific entity, there are 2 records, with UID's and then a load of additional data. I need to take each pair (pairs can be found by ...
1
vote
1answer
332 views

How does mysqldbcopy function

I have a database called LIVE and I want to create a scenario were I copy the LIVE database every night at 2:30 am. I want the copied database to be called REPORT. So every night I want the REPORT ...
0
votes
1answer
103 views

MySQL shows previously deleted data

We're running MySQL on Azure. We have three very small databases. The main database is POI and it hold 11 static records. During the day a few records may be added and deleted again within 1-2 hours. ...
0
votes
0answers
95 views

MySQL how do I select consecutive rows on table and back to start at end of table?

I have a little website (actually in dev stage) to manage race standings for a game. I have a table "race" with 19 rows representing 19 grand prix. I have made a page where I show 5 grand prix based ...
1
vote
2answers
350 views

How can I make an automatic copy of a MySQL database to another MySQL database on the same server?

I have two MySQL databases called LIVE and REPORTS on the same server. I want to copy the LIVE database and all its contents into the REPORTS database everyday at a specific time frame between 1 am ...
0
votes
1answer
177 views

Error code 1064 when trying to add anything manually

So i tried adding via php and i noticed i got a error , so i went into phpmyadmin and tried adding it manually by clicking the SQL in phpmyadmin and write in INSERT INTO `test`(`IDtest`, `...
0
votes
1answer
40 views

table design for display content

In my previous work station, I saw them have a table design across all website they have worked on displaying editor content like this: column|page_id| title |content_1|... |content_n| lang |...
0
votes
1answer
50 views

Update database table

I'm developing a website using PHP. I have a MySQL database and it has three columns called name, latitude and longitude. It is as follows. Name | latitude | longitude ---------------------------- ...
0
votes
0answers
135 views

Slow response from mysql and web application

We have a Mysql server and apache running on ubuntu via VMWare. Server has 2 CPU cores and 4GB allocated to it. On the server is a web app via php cake framework. One of our developers noticed we had ...
0
votes
0answers
40 views

SQL Schema - Messed up my schema and want to revert

I was playing around a bit with my database.table schema (keys) and I have now messed it up. This is the original schema: CREATE TABLE IF NOT EXISTS `xeon_stats_clicks` ( `id` int(11) unsigned NOT ...
0
votes
0answers
79 views

MySQL Match … Against query very slow

I work on a website running on Propel ORM and I have this query: if(isset($args["QueryText"]) && $args["QueryText"] != "") { $query = $query ->withColumn("(MATCH (Request.Subject, ...
0
votes
0answers
21 views

Sphinx result set error?

I'm getting below error when using sphinx search, selectmylikesfrom tableindex,tablert; ERROR 1064 (42000): INTERNAL ERROR: the column 'mylikes/mylikes' does not present in result set schema ...