On running the following MySQL (5.7.12) UPDATE statement, I get the error "Error Code: 1054. Unknown column 't1.col2' in 'where clause'". How can I rephrase this query such that the columns of t1 are accessible in the subquery? UPDATE MyFirstTable…
I have database that looks like this CREATE TABLE code ( id SERIAL, name VARCHAR(255) NOT NULL ); INSERT INTO code (name) VALUES ('random_value1_random'); INSERT INTO code (name) VALUES ('random_value123_random'); CREATE TABLE value ( id SERIAL, name VARCHAR(255) NOT NULL…
I have a mysql table with the following columns- Date, country, YEAR, MONTH, supercategory, class, corp_manufacturer, brand, license,item_description,amount, units, arp. Total number of records = 7.1 million Now i want to add a new column which shows the max value…
Here is the issue to solve. I have a table USERS and a table GROUP_USER. I am updating table USERS and the data I update in that table will directly affect the GROUP_USER table. Here are the tables **Users table**…
I have a database having columns id and profile fields where profile fields is of the type jsonb id profile_fields 101 {"1":"Chess" , "2":"08-02-2001"} 102 {"1":"Hockey" , "2":"1996-06-09"} In profile fields the key 2 stands for Date of Birth .…
Missing required parameter for [Route: blog.update] [URI: blog/{post}/update] [Missing parameter: post]. in routes : Route::put('/blog/{post}/update', [BlogController::class, 'update'])->name('blog.update'); in BlogController : ` public function update(Request $request,Post $post){ $request->validate([ 'title' => 'required', 'image' => 'required | image', 'body' => 'required' ]); $postId…
My problem is that when I try to delete records from a table in postgreSQL with python I can't do it, the method I created deletes 1 by 1, but when I want to delete 2 or more at once…
So I kinda realized it too late but I need to have another column on one of my tables that has the group id of each row. The data looks like this: Code Description Group(currently empty) 1 Test 2 Test…
I am trying to execute the following statement but it is resulting in error. There is not much to explain the situation here as the query itself is self explanatory. However, I will attach the error below: Query UPDATE swipes…
I have the following situation: A user can have maximum number of partnerships. For example - 40.000 Question: In case user wants to add a new partnership, how it will be faster to check the current number of partnerships ?…