DAY(CURDATE())-1 is the current day of the month, less 1. For today (Aug 15, 2013), the value would be 14. Subtract 14 days from August 15 and you have August 1. In other words, ADDDATE(CURDATE(), -(DAY(CURDATE())-1)) gives you the first day of the month. LAST_DAY(CURDATE()) gives you the last day of the month. If you … Read more
<?php if($_POST[‘select’]){ // Storing selected value in a variable $selectedValue= $_POST[‘holiday’]; if ($selectedValue == ‘month’) { } else if ($selectedValue == ‘day’) { } else{ echo “Lalalala”; } } ?> solved How to get the value which user has selected in php?
Use Count with Order by Select Count(pro_id) as total From table Group by vendor_id Order by Count(pro_id) 2 solved How to get maximum number of products matched vendors list. But i don’t want to check same products again [closed]
Sites the size of Facebook have unique challenges specific to their setups. Facebook, Twitter, Google, etc. all maintain their own forks of database engines and often even write their own, and they’ll be using different databases for different purposes. Very little of what they do is going to be applicable to anything you build. Approach … Read more
Try: SELECT * FROM table1 WHERE folio = ‘123456’ AND cm_flag !=’X’ AND certificate_no NOT IN (SELECT CONCAT(certno1,’,’,certno2,’,’,certno3,’,’,certno4,’,’,certno5,’,’,certno6,’,’,certno7,’,’,certno8,’,’,certno9,’,’,certno10) FROM table2 WHERE tofolio = ‘123456’) 1 solved compare two table with row and column
go to on this URL and read it http://blog.sqlauthority.com/2009/04/13/sql-server-introduction-to-joins-basic-of-joins/ I think it is very helpful to understanding join in SQL… solved how to join two table in sql [closed]
Reinventing the wheel and reinventing it the Wrong Way (TM). First of all, there are parametrized queries (available for PHP in MySQLi extension); if that’s not an option, there’s mysql_real_escape_string. This is the main issue – check for already available options before deciding to implement them on your own. Second, you are trying to call … Read more
Fetch the latitude and longitude of user postal code by using this url example: http://maps.googleapis.com/maps/api/geocode/json?address=canada&components=postal_code:<user_postalcode>&sensor=false Then fetch the result using the below query SELECT Shop, latitude, longitude, ( 6371 * acos( cos( radians($lat) ) * cos( radians( latitude ) ) * cos( radians( longitude ) – radians($lng ) ) + sin( radians($lat) ) * sin( … Read more
UPDATE `isc_products` SET `prodretailprice`=145 WHERE `prodcode` LIKE ‘TSACR3’ Enclose the search pattern in single quotes. LIKE syntax: http://dev.mysql.com/doc/refman/5.0/en/string-comparison-functions.html#operator_like LIKE can be used with the following wildcard characters % Matches 0 or more characters. E.g. LIKE ‘TSACR3%’ will match TSACR3 bla blah _ Matches exactly one character. E.g. LIKE ‘_TSACR3’ will match 2TSACR3 but NOT 42TSACR3 … Read more
You appear to have an extra comma at the end: INSERT INTO email_table VALUES (‘$CAMPAIGN’, ‘$IP’,) Try: INSERT INTO email_table VALUES (‘$CAMPAIGN’, ‘$IP’) BTW, I won’t judge your code too much but tracking people by IP is not very reliable. For example, a lot of corporate traffic behind company firewalls can use the same IP … Read more
“condition” is a MySQL reserved word. If you have to use it as a column name wrap it in backticks (`) EDIT And escape any strings that you’re planning on storing in the database. That allows the db to handle quotes (‘) in the actual string itself. As suggested by Joop, using prepared statements avoids … Read more
When I need a list of integers I use SELECT help_keyword_id num FROM mysql.help_keyword HAVING num BETWEEN 1 AND 100 ORDER BY 1; solved SELECT mysql query to get first 100 numbers (1-100) [closed]
On MySQL 8+, we can handle this without a subquery by using analytic functions: SELECT b.id, a.invoice, b.price AS total, SUM(b.price) OVER (PARTITION BY a.id) AS count FROM TableB b LEFT JOIN TableA a ON a.id = b.aid; On earlier versions of MySQL, or if you are doing this from an ORM layer which doesn’t … Read more
actually this is not good practice to insert the value in the database. i recommend always use something like this. $sqlQ=”insert into users (tableField,tableField1) values (‘$value’,’$value1′)”; Note:never put auto increment field name OR value in the query.and always use prepared statements to avoid sql injection attack.given code is also vulnerable.if you do not know about … Read more
I think it’s Active Record not Active DB. Active Record is a One kind of design pattern used for retrieve, insert, and update your database with minimal scripting. You will find more about this in the bellow link https://www.codeigniter.com/userguide2/database/active_record.html 1 solved What Is Active db in CodeIgniter? [closed]