Php versions – A Crosstab Query in PHP and MYSQL
I was searching around for a way to implement a crosstab query in MySQL and found an answer from this post show dates in rows as dynamic columns in MySQL. I tried the query and got it to work but…
Postgresql – Postgres PIVOT table on aggregated count
I am trying to create a pivot table in Postgres from the following table named product_info: CREATE TABLE product_info ( ID varchar(10), date VARCHAR(20) NOT NULL, product VARCHAR(20) NOT NULL, product_cost integer ); INSERT INTO product_info(ID, date, product, product_cost) VALUES…
Postgresql – Postgres columns to rows
I have a PostgreSQL table which gives me the following output: country metric_code male female pensioners teenagers us metric_1 10 14 22 30 us metric_2 105 142 222 309 uk metric_1 15 13 9 21 uk metric_2 212 264 440…
Laravel – SQLSTATE[22007]: Invalid datetime format: 1366 Incorrect integer value: 'crew_ids' for column `uj`.`crew_uj`.`crew_id` at row 1
Laravel Multiple Choices Input Error: SQLSTATE[22007]: Invalid datetime format: 1366 Incorrect integer value: 'crew_ids' for column uj.crew_uj.crew_id at row 1 insert into crew_uj (crew_id, uj_id) values (crew_ids, 15) UJController : public function store(Request $request) { // dd($request->all()); $validatedData = $request->validate([…
Mysql – SQL handling conflicts with WHERE clause to display irrelevant data
I'm trying to make a monthly report with employee attendance case studies. I have 2 tables which are employee and attendance with the following details: employee teble attendance table after that I created SQL view to display the date column…
convert three records into a single record in postgresql and add values by creating new columns
Here is my base table and i am trying to have a single record for each "app_id". Ex: "XYZ" has 3 records and would like to convert the same to single record and copy the values to the newly added…
Using crosstab with dynamic number of columns – Postgresql
I have a table with data: create Table ProductSales ( Productname varchar(50), Year int, Sales int ); Insert into ProductSales values ('A', 2017, 100), ('A', 2018, 150), ('A', 2019, 300), ('A', 2020, 500), ('A', 2021, 450), ('A', 2022, 675), ('B',…
How to create a pivot table in PostgreSQL
I am looking to essentially create a pivot view using PostgreSQL, such that the table below: Column A Column B Happy Sad Sad Happy Happy Sad becomes Count Column A Column B Happy 2 1 Sad 1 2 I've been…
How to get one to many relations to a pivot – Laravel
I have 2 models Scheme & Sponsor with a many-to-many relationship with pivot SchemeSponsor. The pivot table has a one-to-many relationship with ContributionRate. I want to get all sponsors related to a scheme together with all contributionrates. Scheme id name…
Laravel models, database and pivot tables question
Hello I am working with Laravel, I have to create two simple models, let's say Stores and Books. Stores can have one or multiple Books and Books can belong to many Stores. Of course I will use a many to…