I have two entities- User Category There is a @ManyToMany relationship between the two entities. My code, to create this relationship is- 1.User.java @ManyToMany(cascade = { CascadeType.DETACH, CascadeType.MERGE, CascadeType.REFRESH }, fetch = FetchType.LAZY) @JoinTable(name = "enrolled", joinColumns = @JoinColumn( name…
I have a bookstore project, and have 2 table: publishers and books. These is my two migrate file for books and publishers. <?php use IlluminateSupportFacadesSchema; use IlluminateDatabaseSchemaBlueprint; use IlluminateDatabaseMigrationsMigration; class CreateBooksTable extends Migration { /** * Run the migrations. *…
I am at the admin user, which is holding the administrator role, but when I add a condition to check if the user is admin or not it will always return false. I can't find the problem. This is my…
I have this code to showing value from database as well as checking the checkbox that have the value : <?php $result = mysqli_query($kon,"SELECT jenis FROM pasien WHERE nopemeriksaan = $nopemeriksaan"); while($row = mysqli_fetch_array($result)) { $jenis = explode(",", $row['jenis']); print_r($jenis);…
So I've been building an analytics tool in crypto that requires ingesting a few billion rows of data across a couple tables. Sales, Listings, NFTs, Metadata, Contract info, etc. I take that data and machine learn on it, outputting quite…
I need some help with the query below - I am trying to pull information regarding price and multiply with the quantity & insert the sum into the table. So far I have, update passenger_baggage SET passenger_baggage.total_baggage_cost=passenger_baggage.passenger_baggage_quantity*baggage_type.baggage_type_cost FROM passenger_baggage INNER…
I am trying to empty the database of any data, while keeping the relationships and tables as they are I have no idea if my thinking is right or wrong
I have the following SQL query: SELECT `NeighbourhoodName`, count(NAME) as `Number of Parks`, sum(CASE WHEN `parks`.`Advisories` = 'Y' THEN 1 ELSE 0 END) as Advisories, FROM parks GROUP BY `NeighbourhoodName`; In the second line of the code, I create a…
When i run this query: db.friendRequests.aggregate([ $lookup: { from: "users", localField: "author", foreignField: "_id", pipeline: [ { $match: { $expr: { friend_id: new mongoose.Types.ObjectId(userid), }, }, }, ], as: "userdata", } ]) It returns every entry in the collection, but…
So, in my project, a user needs to register first before logging-in. I am trying to display their first, middle and last name. But, I am having a problem since multiple data are displayed on my input field. What is…