mysql

[Solved] Creating HTML table with php output

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[ad_1] Your issues lies in your formatting and confusion between the use of the echo command and non PHP wrapped HTML. Code should read as follows when properly formatted. <?php $db_host = “localhost”; $db_username = “vistor”; $db_pass = “visitor”; $db_name = “test”; $db = new PDO(‘mysql:host=”.$db_host.”;dbname=”.$db_name,$db_username,$db_pass); $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING); $query = $db->query(“SELECT * FROM pet’); ?> … Read more

[Solved] If in Array on PHP [closed]

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[ad_1] I’m guessing you’re trying to find out if $catId is in the $result_2 array. If so, then you’ve already answered your question with your title here.. in_array if(in_array($catId,$result_2)) [ad_2] solved If in Array on PHP [closed]

[Solved] Need help to UPDATE TABLE [closed]

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[ad_1] you are saying that on change in four table you want to update the record in 5th table. For this purpose you can write an update trigger which will trigger on change on any one of the four tables and check if the needed values in four tables are updated and it will change … Read more

[Solved] mysql Search data from multiple table

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Introduction [ad_1] MySQL is a powerful and popular database management system used by many businesses and organizations. It is capable of storing and retrieving data from multiple tables, allowing for complex queries and data manipulation. In this tutorial, we will discuss how to search data from multiple tables in MySQL. We will cover topics such … Read more

[Solved] insert data into database after an interval by Java [closed]

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[ad_1] I would use the java.util.concurrent.* package since it’s newer and better for threading (which all timers/delay’s will need to implement in order to not block your program) This example will execute your task, then re-schedule itself automatically… nice! (the try/finally block ensures no exception will break our schedule): import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; class Task … Read more

[Solved] Check availability and list available rooms [closed]

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[ad_1] Logic is actually pretty simple here, you don’t want anything where the start and end are inside your period, or where they’re at opposite sides of any point in the range you’re looking for. SELECT R.roomID, R.name, R.facilities FROM — Use the table rooms, but name it R for shorthand. Rooms R — Left … Read more

[Solved] Slightly Complicated SQL query

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[ad_1] Something like this should return the specified resultset: SELECT u.id AS user_id , u.user_name , SUM(a.user_id IS NOT NULL) AS total_count_of_articles FROM users u LEFT JOIN users_articles a ON a.user_id = u.id GROUP BY u.id, u.user_name ORDER BY total_count_of_articles DESC 2 [ad_2] solved Slightly Complicated SQL query

[Solved] How to item balance

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[ad_1] Issue(s) with your query: If you are giving an alias to a table use that alias for each reference. issue: FROM trans AS t1 WHERE (trans.Trans_date <= ‘2019-08-31’), here trans table is aliased as t1 and you are using again full name with trans.Trans_date. SELECT i.`Item Desc` AS ItemDesc, t.Trans_date AS Trans_date, t.B1 AS … Read more