I found a not so nice method for checking if there a row already exists, and if it does exists, then it doesn’t add it to avoid duplicates. Am i completely crazy to rely on this method or should i go old fashioned way where i check if it exists BEFORE trying to insert row ..
Category : sql
i have problem when joining my tables the error says Undefined variable: spps $siswas = DB::table(‘siswa’) ->join(‘kelas’, ‘siswa.id_kelas’, ‘=’, ‘kelas.id_kelas’) ->join(‘spp’, ‘spp.id_spp’, ‘=’, ‘siswa.id_spp’ ) ->get(); $kelass = DB::table(‘kelas’)->get(); return view(‘admin.data_siswa’,compact(‘siswas’,’kelass’)); $spps = DB::table(‘spp’, ‘kelas’)->get(); return view(‘admin.data_siswa’,compact(‘siswas’,’spps’)); } i dont know how to defining the spp table, any one please suggest me idea Source: Ask ..
I have one doubt in mysql select statement, I tried so many ways i did not get result, Can any one please help on this query. My select statement is here (SELECT document_attachment_id FROM Customer_document_relationship WHERE siteid=cs.SITE_ID LIMIT 1) AS document_attachment_id, (SELECT GROUP_CONCAT(document_name) FROM document_type_relationship WHERE document_id IN(REPLACE(document_attachment_id,"’",”)) LIMIT 1) AS billbasedOn Here document_attachment_id result ..
I have a table named desserts with ID’s, but when I use the IN clause , it returns a sorted result. public function getDessertById($id) { $stmt = $this->conn->prepare("SELECT * FROM `desserts` WHERE id IN (" . $id . ");"); $stmt->execute(); return $stmt->fetchAll(); } whenever the id is an array of (55,23,1,5,7,12) it always returns (1,5,7,12,23,55) ..
check for duplicate "username" field case : if user wants to update record other than username field (like firstname or whatever) and i used simple select query to check for duplicate like "SELECT * from user where username = $username" and check count than it will return count 1 because user name already exist (in ..
I am trying to execute an sql statement if a condition is met based on POST data. Attached are links to screenshots of the printed array, and the table it should be querying. I do not get an error, but nothing happens in the database if data does = 1, which should run the stmt ..
I am trying to update my SQL database through using a PUT request on the REST API. When i test the following API in postman, and pass keys and values based on the variables in the code i am getting an undefined index error, but the ‘thanks for updating’ message is printing to screen.. is ..
Problem I am trying to make a scope in my model with this SQL query: SELECT * FROM ro_container_events WHERE (container_id, location_timestamp, id) IN ( SELECT distinct container_id, MAX(location_timestamp) AS lts, MAX(id) AS rce_id FROM ro_container_events GROUP BY container_id ) The model name is ContainerEvent and the name of the table in my database is ..
1: enter image description here 2: enter image description here Hello friends Error execute the above two source code I do not understand why I have no misspellings Thank you for your help Sourc..
I keep getting the following error : Notice: Undefined variable: date in controller. I can’t find the problem… So I have this html page with a form where I’m collecting info (and I must input the DD/MM/YYYY if the duedate of my object card is NULL) <form action="card/edit_card_choice" method="post"> <p>Title</p> <textarea name="card_title" cols = ’50’ ..
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