How to Programming with Mysql

You can do this using variables: select s.*, floor( ((@rn := @rn + 1) - 1) / 5) as group_number from sample s cross join (select @rn := 0) params order by date; ...

How to create multiple jquery form fields and insert in mysql database, without using mysql_real_escape_string

javascript,php,jquery,mysql

Your problem has nothing to do with jQuery and the form. It is just highly recommended to prevent SQL injection, an attack in which an attacker injects SQL commands into your DB Query by posting it in your form. That's why any data that comes from an untrusted source (eg...

How can I create missing date records for each employee based off a limited calendar?

mysql,sql,tsql

Create a table that contains all the possible dates in the range, @alldates Then insert your missing records with something like this: Query INSERT INTO dbo.timeclock SELECT id ,d.punchtime ,'no time entered' FROM ( SELECT DATE ,id FROM @alldates d CROSS JOIN ( SELECT DISTINCT id FROM dbo.timeclock )...

MySQL Select where count

Your subselect in the WHERE clause is making comparisons on the aggregate COUNT(u.ULN) value, and therefore really belongs in a HAVING clause. It should be significantly more performant there, because the subselect would be evaluated for every row returned by the outer query while the HAVING filter will only be...

Notice: Array to string conversion in “path of php file” on line 64

php,mysql,arrays,oracle

Curly brackets are your friend when inserting variables into double quoted strings: $main_query=oci_parse($connection,"INSERT INTO ROTTAN(NAME,ROLLNO) VALUES('{$array[$rs][0]}','{$array[$rs][1]}')"); ...

Is it possible to connect to remote DB while working in localhost?

php,mysql,git,phpmyadmin

Yes, of course it is. You'll need to whitelist your development servers on the remote server's firewall and allow remote access to the database. If you're using cPanel, there are options there to do so, but you may need to speak to your host as well.

Read db and write to file in python

python,mysql

You can use the codes above:(each row inserted as new lines) conn = MySQLdb.connect(host="localhost",user="root",passwd="",db="mydb") cursor = conn.cursor(MySQLdb.cursors.DictCursor) cursor.execute("SELECT * FROM books") result_set = cursor.fetchall() field_names = [val[0] for val in cursor.description] with open('yourfile.txt', 'a') as f: for row in result_set: line = ','.join(row[field_name] for field_name in field_names) f.write(line) ...

How to search images by name inside a folder?

php,mysql,image

This looks like a job for glob, which returns an array of file names matching a specified pattern. I'm aware of the other answer just posted, but let's provide an alternative to regex. According to the top comment on the docs page, what you could do is something like this:...

Select most recent entry where timestamp is from the past hour

select * from table where TIMESTAMPDIFF(HOUR, `timestamp`, NOW())=0 ORDER BY `timestamp` DESC LIMIT 1 ...

How to show Only a selected Number of Database entries on the page [on hold]

php,html,mysql

You can achieve the pagination either by client side implementations or server side. Client side (using Java Script/JQuery) and Server Side (using PHP) is preferable. For client side, just the following link For Server side PHP Pagination...

Awarding points to an applicant only once:-no duplicate

Create a database that holds the admin's username and the applicant they voted for. So every time they click the vote button it stores a new record in the database. To prevent them from multiple votes, every time they vote check to see if the records exists by using the...

How do I find records in one table that do exist in another but based on a date?

mysql,passwords,mysqldump

select d.`name` from z_dealer d where (select count(*) from z_order o WHERE o.promo_code = d.promo_code AND o.date_ordered > '2015-01-01') = 0 ...

timestamp SQL to Excel

php,mysql,sql,excel

The ###### is shown in MS Excel when the data in a cell is too long for the column width.... the data inside the cell is still correct, as you can see if you select one of those cells and look at the value displayed in the cell content bar...

Using VLOOKUP formula or other function to compare two columns

mysql,excel,vba,date

If data in your first table starts at A2, and your other column starts at D2, then use in E2 =VLOOKUP(D2,$A$2:$B$17,2,0) Copy down as needed....

Escape password in mysqldump command

quote the password mysqldump -u fred7 -p'asdf^555^666' if any of the following * ? [ < > & ; ! | $ ( ) perhaps ^ too...

How do I display my mysql table column headers in my php/html output?

php,html,mysql,table,data

Note: You can just make a single file out of it to achieve your wanted output Use mysql_real_escape_string() to sanitize the passed-on value to prevent SQL injections You should use mysqli_* instead of the deprecated mysql_* API Form them in a single file like this (display.php): <html> <form method="post" name="display"...

IBM Cognos _days_between function not working

mysql,database,date,cognos

The Cognos _days_between function works with dates, not with datetimes. Some databases, like Oracle, store all dates with a timestamp. On a query directly to the datasource, try using the database's functions to get this data instead. When possible, this is always preferable as it pushes work to the database,...

php foreach loop insert data feed back repeat everytime

Before you start your foreach loop set a flag like: $error = false; Then in your loop if(!mysql_query($insert_query)) { $error =true; } And after the loop has closed if($error){ echo "problem show"; }else{ echo "successfully register"; } ...

Query how often an event occurred at a given time

mysql,character-encoding,collation

This could be done using user defined variable which is faster as already mentioned in the previous answer. This needs creating incremental variable for each group depending on some ordering. And from the given data set its user and date. Here how you can achieve it select user, date, purchase_count...

phpmyadmin collation: latin and cyrillic

When you create your database, you can choose a default... Character set to define how your characters are stored. Collation to define how your characters are sorted and searched. You give a command like this: CREATE DATABASE mydata CHARACTER SET = utf8mb4 COLLATE = utf8mb4_unicode_ci phpMyAdmin has a dialog box...

UPDATE SET = SELECT FROM

The error itself is pretty self explanatory, you are selecting from the table you are updating. Instead, you can use JOIN in the update statement. Try this: UPDATE branches b LEFT JOIN companies c ON c.id = b.company_id SET b.name = CONCAT(c.name, " ", b.subsurb); Note that because you're using...

Group by date mysql and codeigniter

php,mysql,codeigniter

You need to ditch the star '*' and specify the expressions you want to return. To get a total, you need an aggregate function, and to get just the date portion of date_time, you can use the DATE() function. $this->db->select('DATE(a.date_time) AS date, SUM(a.value) AS total_value'); And you want to GROUP...

mysql detect field value change

Here's a way to do it using variables: SELECT id, `timestamp`, ver_fw FROM ( SELECT id, `timestamp`, ver_fw, IF ( @prev_ver <> ver_fw, IF (@prev_ver := ver_fw, 1, 1), IF (@prev_ver := ver_fw, 0, 0)) AS IsDifferent FROM tbl_geodata CROSS JOIN (SELECT @prev_ver := '-1') AS var WHERE imei LIKE...

PHP/MySQL only updates if the variable is less than a few characters

From the comments we've debugged this to being an apostraphe/quote in the data being passed to the query. To resolve this with your current DB driver use, mysql_real_escape_string, http://php.net/manual/en/function.mysql-real-escape-string.php. You should switch to MySQLi or PDO though in the future and use prepared statements. Here's a functional usage (untested, so...

Entering data into mysql database using php

php,mysql,forms,mamp

This shoud work, if not then check your usename and password... <?php $servername = "localhost"; $username = ""; $password = ""; $dbname = "first_db"; $pathway = $_POST['username']; username - is the name of your input. // Create connection $conn = mysqli_connect($servername, $username, $password, $dbname); // Check connection if (!$conn) {...

Get the last record even when the table contains one record

java,mysql,jdbc

select top 1 * from mytable order by insert_date desc

SQL result table, match in second table SET type

Example of junction/intersect table usage. create table subscription_plans ( id int not null auto_increment primary key, -- common practice name varchar(40) not null, description varchar(255) not null, price decimal(12,2) not null -- additional indexes: ); create table pricing_offers ( id int not null auto_increment primary key, -- common practice name...

Select all none null values from all columns in a table

select @variable will just return you a value of variable. You need to use some dynamic SQL I believe. Maybe smth like exec('select ' + @colname + ' from ' etc) will work for you (at least it will work in MS SQL server).

MySQL group_concat() function with join operation

If I understand your requirements, you want to bring back all the buildings and faculties for a school when they have one of the required ones. There are possibly a couple of ways to do this. You could use a couple of sub queries to find schools that have the...

MySQL 4 Table Join

mysql,table,join

What you probably need is a union of two sets: songs created by people user with id=6 follows songs reshared by people user with id=6 follows Since you haven't provided table schemas I'm using names you provided in the query. ( SELECT DISTINCT s.id, s.last_updated FROM follows f JOIN tracks...

Select customers without address

You need to put brackets round the last part of your query to indicate that it's a subquery: SELECT id_customer, customer.email FROM ps_customer WHERE id_customer NOT IN ( SELECT id_customer FROM ps_address ); ...

I need help using a class in a function in PHP

php,mysql,pdo,mysqli

$db->dbc(); this has no effect since you do not store the return value in a variable and then use this variable to make the call to prepare(). Also you're not storing the PDO object in a member variable but in a local variable in the constructor method -> falls out...

Show tables with LIKE and NOT REGEXP

Try this: SHOW TABLES FROM database WHERE Tables_in_database LIKE 'wp_%' AND Tables_in_database NOT REGEXP 'wp_[0-9]+' ie, remove the % character from regex....

Uploading PNG to Website Server

php,mysql,image,png

You're not declaring $image_width or $image-height and you are referencing $image instead of $source_image in imagecopyresampled(). I too was getting a plain white image, but after this I get the expected result: $image = $_FILES['file']['tmp_name']; $image_name = $_FILES['file']['name']; $ext = pathinfo($image_name, PATHINFO_EXTENSION); $location = "Profiles/{$user}/Picture/{$image_name}"; $new_image = imagecreatetruecolor(100, 100); $source_image...

how to get records from field having contain field ids like (1,2,3) in a field in mysql?

Change FIND_IN_SET(ex_students.s_ids, students.id) to FIND_IN_SET(students.id, ex_students.s_ids) ...

Improving SQL Queries

php,mysql,sql-server

I understand your problem. You have some column-rule. Which is globally used in all app. For example in my case there was 'status' column, and there were some logical meaning called 'important', which worked if column had one of the certain values in the set. So, everywhere, to check if...

Mysql Join - Filter results based on two max values

It is strange to see that you have separate columns for date and time, but maybe this is necessary to store repeated times (11:00 daily) or dates without times. Otherwise you should use a datetime instead. What you are looking for is the latest datetime or timestamp in a week....

MySQL Query returning strange values

You need to join by account_id and also question_id SELECT * FROM `quiz_questions` INNER JOIN `quiz_answers` ON `quiz_questions`.`account_id` = `quiz_answers`.`account_id` AND `quiz_questions`.`question_id` = `quiz_answers`.`question_id` WHERE `quiz_questions`.`account_id` = '1840979156127491' ORDER BY `quiz_questions`.`question_id` ASC LIMIT 5 ...

how to get more than one max records in MySQL

mysql,max

In MySQL, the query is a bit more complicated. One method is using two subqueries with aggregation: select t.* from (select t.id, count(*) as A_plus from take t where t.grade = 'A+' group by t.id ) t where t.A_plus = (select max(A_plus) from (select t.id, count(*) as a_plus from take...

compare today's date with unix timestamp value in database

php,mysql,arrays,variables,multidimensional-array

If I understand correctly you have a unix timestamp in a varchar field and you can't change this. If you compare the unix timestamp directly you will only get results that match the exact second of the timestamp. You can use FROM_UNIXTIME() to convert the timestamp in a date value...

MySQLdb Python - Still getting error when using CREATE TABLE IF NOT EXISTS

python,mysql

MySQL is actually throwing a warning rather that an error. You can suppress mysql warnings like this : import MySQLdb as mdb from warnings import filterwarnings filterwarnings('ignore', category = mdb.Warning) Now the mysql warnings will be gone. But mysql errors will be shown as usual Read more about warnings at...

Having two arrays in variable php

The explode function is being used correctly, so your problem is further up. Either $data[$i] = mysql_result($result,$i,"data"); isn't returning the expected string "2015-06-04" from the database OR your function $data[$i] = data_eng_to_it_($data[$i]); isn't returning the expected string "04 June 2015" So test further up by echo / var_dump after both...

Use SQL output 1 by 1

mysql,sql,database,stored-procedures

Store your results arrays in an array: <?php $RankSql = 'SELECT * FROM games WHERE Genre LIKE "%'.$Genre.'%" ORDER BY Score DESC limit 5'; $Rankresult = mysql_query($RankSql); $games = array(); while($RankOrder = mysql_fetch_array($Rankresult)) { $games[] = $RankOrder; }; // ex: third game (remember, arrays start at zero) echo $games[2]['Game']; ?>...

Displaying MySQL results in a single table

php,mysql,database

Try getting all the columns out first, then add it to the sql query, no need to loop the database query. $mark = $_POST['mark']; if (isset($_POST['mark']) && is_array($_POST['mark'])) { echo "<table border='1'>"; echo "<tr>"; for ($i = 0; $i < count($mark); $i++) { echo "<th>" . $mark[$i] . "</th>"; }...

creating stored procedure in mysql calculate profit from product table

You forgot the () after the procedure name. Also, you should set a delimiter: DELIMITER // CREATE PROCEDURE sp_profit() BEGIN SET @v1:= (select sum( cost_price * current_stock) from product); SET @v2:= (select sum( selling_price * current_stock) from product); SELECT (@v2 - @v1); END; // ...

Comparing two values in the same row and change if needed

php,mysql,loops

Below query will work, unless you need to do query optimization and reduce the locking period UPDATE Product SET Voorraad = Minvoorraad WHERE Minvoorraad > Voorraad ...

How to program a recurring billing/invoice system using PHP and MySQL

Cron sounds good. (Also it is worth to mention the MySQL Event Scheduler, but again I would go for a Cronjob) A copy would be something like this SQLFIDDLE: create table t ( id int, d date ); insert into t values( 0, CURDATE() ); insert into t values( 2,...

C# - Can't connect to remote MySQL server

c#,mysql

When connecting to a MySQL-Database I always used the MySQL Connector you can get here: https://dev.mysql.com/downloads/connector/net/6.9.html You have to import the MySQL namespaces to your project and then you can use the MySQLConnection instead of the SQLConnection that is, as far as I know, only for MSSQL servers. http://www.codeproject.com/Tips/423233/How-to-Connect-to-MySQL-Using-Csharp...

Convert March 2015 to 03/2015 and make into date

mysql,date

STR_TO_DATE works for me with a format of '%M %Y': mysql> select str_to_date('July 2015', '%M %Y'); +-----------------------------------+ | str_to_date('July 2015', '%M %Y') | +-----------------------------------+ | 2015-07-00 | +-----------------------------------+ 1 row in set (0.10 sec) Expand your question if there's some reason you can't do the same. To turn that into...

How to post time value in database in PHP

It is very simple: You code here: $id_time = date("d-m-Y",time()); Please UPDATE THAT INTO; $id_time = date("Y-m-d",time()); Your sql is ok. And I hope that will work....

Geolocation to find nearest place [on hold]

php,html,mysql,geolocation

You can definitely use Google's Geolocation API to get the user's current location, then with some Javascript, you can determine the closest park.

How to get entries from SQL that only appear in certain value?

You can select all Transmission = 'Inventory' ids and filter out those exist in Transmission in('Starting', 'Stopping'): select distinct(DeviceID) from YourTable WHERE Transmission = 'Inventory' and DeviceID not in ( select distinct(DeviceID) from YourTable WHERE Transmission in('Starting', 'Stopping') ); SQL Fiddle: http://sqlfiddle.com/#!9/81896/12...

SQL Group By multiple categories

php,mysql,sql,mysqli

Just include a case statement for the group by expression: SELECT (CASE WHEN Categories.name like 'Cat3%' THEN 'Cat3' ELSE Categories.name END) as name, sum(locations.name = 'loc 1' ) as Location1, sum(locations.name = 'loc 2') as Location2, sum(locations.name = 'loc 3') as Location3, count(*) as total FROM ... GROUP BY (CASE...

how will i order this query by DoctorName

Add an ORDER BY statement to your query: $q=mysqli_query($link,"Select * from doctor where status='". $stat ."' ORDER BY `doctor_last_name`"); ...

Php Mysql Query not working properly

No need to use union as it will give a lots of duplicate data What you want to achieve can be done with simple left join or inner join SELECT m.issue_name ,m.issue_type , m.priority ,m.status,m.description , m.start_date,m.end_date,m.duration, s.name as server_name,p.name as product_name from mod_networkstatus as m LEFT JOIN tblservers as...

Changing values after MySql DB Collection

mysql,sql,full-text-search,mariadb,match-against

There are several possible ways to rename the fields, but the easiest may be to do it within your SQL statement: $query = "SELECT title AS `MainTitle`, surname AS `Lastname`, email AS `MainEmail` FROM app2"; ...

Can't find FULLTEXT index while using IN BOOLEAN MODE

There could be many several factors why in boolean mode not working like mysql version you are having, storage engine etc. However its highly recommended to use fulltext index when you are doing match .. against since this is what it is meant for. Now coming to the point will...

How to call MySQL view in Struts2 or Hibernate

java,mysql,hibernate,java-ee,struts2

You can simply create an Entity, that's mapping the database view: @Entity public class CustInfo { private String custMobile; private String profession; private String companyName; private Double annualIncome; } Make sure you include an @Id in your view as well, if that's an updatable view. Then you can simply use...

WHERE If condition is not met get all values including NULL

mysql,ruby-on-rails,rdbms

Another shorter form where @LastName in ('All', LastName); SqlFiddle...

MySQL trigger help, capturing a variable from php insert into

php,mysql,triggers

You are on the right path: IF (SELECT true FROM redcap_encryption WHERE ProjectID=NEW.project_id AND FieldName=NEW.field_name).... ...

C# MySQL Parameters.AddWithValue

c#,mysql

You try to add all your 52 parameter and their values with one AddWithValue method. You can't do that. First of all, you need to define all your parameters in your command with your column names like; command.CommandText = "INSERT INTO tb_mitarbeiter (Vorname, id, projectnummber....) VALUES (?name, ?id, ?projektnummer....)"; Then...

MySQL: Select several rows based on several keys on a given column

mysql,sql,database

If you are looking to find the records matching with both the criteria here is a way of doing it select `item_id` FROM `item_meta` where ( `meta_key` = 'category' and `meta_value` = 'Bungalow' ) or ( `meta_key` = 'location' AND `meta_value` = 'Lagos' ) group by `item_id` having count(*)=2 ...

Can Rails deal with DB uniqueness without index?

Because there is no need for other ways. Under the hood it's all the same: when you define a UNIQUE constraint, a UNIQUE index is created on that table to enforce it. Question from DBA.SE: When should I use a unique constraint instead of a unique index? So for a...

Loop through database table and compare user input

mysql,c

If you are only looking for fields that match the input, you'll want to search the database using the input string. In other words, write your query string so that it only gives you results that match the user input. This will be much faster than searching through every returned...

Fatal error in if stament [duplicate]

php,mysql,mysqli

Just change the condition to: if(isset($_REQUEST['userid']) && $_REQUEST['userid'] > $user_hack) isset tells is a variable is set, while this statement may be true or false, on which you cannot call isset function. Until you check if(isset($_REQUEST['userid'])), you cannot assign it to $userid variable....

Symfony2 creating and persisting entity relationships

php,mysql,symfony2,doctrine2

When you create two entities with a one-to-one relationship, both entities need to be persisted either explicitly or by using cascade persist on one side of the relationship. You also need to explicitly set both sides of the relationship. Doctrine - Working with Associations - Transitive persistence / Cascade Operations...

If I export my database with phpmyadmin will it lock my tables or take my database down?

mysql,database,phpmyadmin

The answer is no, tables won't be locked, database won't be down. But, if your database is large and it takes long time to backup it, you can sometimes expect performance degradation(slow SQL queries from your application).

concatenate field names in a mysql update with inner join

java,mysql,jsp,mysql-connector

You can try as per below- UPDATE products pr INNER JOIN sub_categories sc ON sc.id = pr.sub_category SET slug = REPLACE(TRIM(LOWER(CONCAT(sc.subcat_name,'.',products.product_name))),' ', '-'); ...

Function/Trigger already in use?

php,html,mysql,mysqli

Your issue is that the update_users_trigger trigger makes changes to the contents of the table users, while the query that is triggering the execution of this trigger also uses the table users. You will need to adjust your query so that this deadlock doesn't occur. It isn't clear which fields...

MYSQL, PHP, PDO Check if row exists [on hold]

php,mysql,pdo

You are binding the exact string '$steamId' to the id so that it will search for an user with the id of '$steamId'. $stmt->bindParam(":id", $steamId, PDO::PARAM_STR); Also you can remove the quotes from the select statement. $stmt = $conn->prepare("SELECT Steam_id from Account_info WHERE Steam_id = :id"); ...

MySQLSyntaxErrorException in SQL syntax

Change ResultSet rs = selectUser.executeQuery(query); to ResultSet rs = selectUser.executeQuery(); when you already prepared the statement in connection.prepareStatement(query); then why to pass the query again in selectUser.executeQuery(query);...

SQL only one cell from column can have X value

Have a separate table with one row that contains the mainOfferName of the row that you want. Then query as: select yt.*, (nt.mainOfferName is not null) as valueFlag from yourtable yt left join newtable nt on yt.mainOfferName = nt.mainOfferName; When you want to change the value, change the value in...

How to check if data already exists then randomly generate new data from an Array

php,mysql,arrays,mysqli

In my personal opinion, NEVER try to get data from an array within quotes! Always do it outside of quotes; especially in multi-denominational arrays. '$input[$rand_keys[$i]]' should be rewritten as '".$input[$rand_keys[$i]]."' OR '{$input[$rand_keys[$i]]}'. In my opinion it is better to do it outside of quotes instead of using { }. ...

Scrambling(randomize) row id's in mysql table

php,mysql,sql

How about this? alter table add column randorder double; update table set randorder = rand(); create index idx_table_randorder on table(randorder); Then you can "shuffle" the records by doing: select t.* from table t order by randorder; This will use the index so it will be fast. It is stable, so...

I Want to fetch SQL Records in MySQL of current Year

php,mysql,select,sql-injection,associative-array

Try this: SELECT count(enq.`enquiryId`), Month(enq.`date`), Year(enq.`date`) FROM enquiry enq WHERE Year(enq.date)=somevalue --2015 for example GROUP BY MONTH(enq.`date`) ...

PHP: While loop not working after adjusting SELECT for SQL injection prevention

You cannot bind column and table names, only data. You need to specify the table and then bind for your '%calendar weekday%'. $stmt = $conn->prepare("SELECT " . $selectLang . " FROM `TranslationsMain` WHERE `location` LIKE ? ORDER BY `sortOrder`, " . $selectedLang); $stmt->bind_param('s', $calendar_weekday); ...

Inner Join 3 tables pl/sql

mysql,sql,sql-server,database,stored-procedures

The issue is that you are using the alias C where you should not, with the count function. This: C.Count(C.column6) should be: Count(C.column6) and the same change applies in the order by clause (which might be counting the wrong column - should it not be column6?): order by C.count(column5) desc...

Unique movies by UNION the results of two join, MYSQL

mysql,join,union

Distinct can be run inside a count in mysql which is pretty handy. select Count(Distinct answer) from ( SELECT member_CROWD.worker_Id, member_CROWD.Unreliable, Answer_CROWD.qId, Answer_CROWD.answer FROM member_CROWD JOIN `Answer_CROWD` ON member_CROWD.worker_Id = Answer_CROWD.worker_Id WHERE member_CROWD.Unreliable = '0' AND Answer_CROWD.qId = 'q8' GROUP BY Answer_CROWD.answer UNION SELECT member.mem_id, member.Unreliable, Answer.qId, Answer.answer FROM member...

Order by count not sorting the records correctly?

php,mysql,database

Try this SELECT count(receiver_id) as total_receiver FROM gr_group_memberships INNER JOIN gr_group on gr_group_memberships.group_id = gr_group.id GROUP BY gr_group_memberships.receiver_id ORDER BY gr_group_memberships.receiver_id DESC I think it will worked what you want...

MySQL substring match using regular expression; substring contain 'man' not 'woman'

mysql,regex

A variant of n-dru pattern since you don't need to describe all the string: SELECT '#hellowomanclothing' REGEXP '(^#.|[^o]|[^w]o)man'; Note: if a tag contains 'man' and 'woman' this pattern will return 1. If you don't want that Gordon Linoff solution is what you are looking for....

Purging Database - Count purged/not-purged tables

The only way to do this is to manually run a count(*) on all of your tables filtering on the particular date field. The reason for this is because one table might have a column "CreatedDate" that you need to check if it's >30 days old, while another might have...

Trying to rewrite mysql_* to pdo

php,mysql,pdo

I don't know the source of the array $arr = array();, but it is assigned to null before the insert query. So it means, literally you are inserting nothing into the database. So check your array well, maybe it was to be like $arr = array('name'=>'My Name', 'url'=>'url', 'email'=>'my email',...

MySQL Case When Statement

php,mysql,mysqli,sql-injection,sql-insert

Use HAVING clause: SELECT City, SUM(CASE WHEN name2015 = 'Jane' THEN income2015 ELSE 0 END) income2015_total, SUM(CASE WHEN name2020 = 'Jane' THEN income2020 ELSE 0 END) income2020_total from finaldata GROUP BY City HAVING income2015_total <> 0 OR income2020_total <> 0 I have added ELSE 0 in the CASE expressions, so...

PHP / MySQLi: How to prevent SQL injection on INSERT (code partially working)

In the New PHP code snippet, you are still vulnerable to injections. You are using a prepared statement in the insert part, but you are not actually using the preparations strengths correctly. When creating a prepared statement, you create a query in which you add placeholders instead of the raw...

Using Sum in If in Mysql

mysql,sql,select,sum

Using least would be much easier: SELECT LEAST(SUM(my_field), 86400) FROM my_table ...

Get the record with the min distance

You get no result because the minimum distance returned by the subquery is not filtered with the filter you give to the parent query. Thus the min distance is 60, but there is no rows that match this speed having at the same time mac = ' 10:A5:D0:06:C6:E9' stop_name =...

php mysql select insert on different DBs in same server

php,mysql,insert-into

If your connection has rights to both databases, there is no need to have two connections. A database connection is a connection to the server, not to a specific database (although you can select a default database within the connection). What you can do is normal INSERT INTO SELECT within...

Getting total for Invoiced Paid and the amount owing for each client