I need to compare few scenarios, which can be fulfilled either by calling: an additional timestamp column from mysql database or Looping over the resultant array. Elaborating further: CASE 1: 144 byte columns + 4 byte timestamp column for 10K…
How do you choose the employee who has worked the most night shifts of all time? There are 2 tables, one with workers, the second with night shifts, in which 2 people work per shift. Users: id name 1 Oliver…
I am trying to run this SQL query SELECT activity_log.* from activity_log where activity_log.id in ( select a2.id from activity_log as a2 where a2.batch_uuid = activity_log.batch_uuid order by a2.id desc limit 1 ); I get the error ERROR 1235 (42000):…
I have a need to know which column names are used on more than one table of my database. I've got this query as a start, which gives me a frequency table of column names across the database: SELECT COLUMN_NAME,…
I have 2 tables with the exact same structure: date (date) title (varchar 275) Both tables have rows for dates including 2021-01-01 to 2021-12-31 If I run this query on table1: SELECT DISTINCT date FROM table1 WHERE date IN ('2021-01-02',…
I've got following tables: Supplier idSupplier Name Product idProduct idSupplier EAN Now I want to select all values from both tables. I'm using this Query: SELECT Supplier.*, Product.* FROM Supplier INNER JOIN Product ON Supplier.idSupplier = Product.idSupplier The issue is,…
I am working in larael9 with spatie package to manage roles and permissions. I want to fetch user permissions with where condtion. my permissions table is as following id | name | guard_name | created_at | updated_at ------------------------------------------------------------------------------------------------- 14 |…
SELECT co.id, IFNULL( oe.follow_status, 'unFollow' ) AS followStatus, co.due_time FROM car_order co LEFT JOIN order_expire oe ON oe.order_id = co.id WHERE co.type = '贷款' AND co.STATUS = '已放款' AND co.approve_status != '结清成功' AND date_FORMAT( co.due_time, '%Y-%m-%d' ) <= '2022-10-29' ORDER…
Laravel How to delete database data after 5 minutes of adding? Schema::create('listings', function (Blueprint $table) { $table->id(); $table->string('name'); $table->string('country'); $table->string('date'); $table->timestamps(); });
How can I sync SQLite offline to MySQL online database in Flutter? Any suggestions?