This is relational diagram of database I created: I need to insert total price in Orders.Total_Price column by multiplying the Pizza.Pizza_Price value with Ord
I have stored about 7 million biological protein sequences in text field of MySQL table (using InnoDB storage engine and latin1_swedish_ci collation). Sequence
I am trying to retrieve these values from mysql table using this statement in my node.js SELECT product.name, product.image, product.description, prod
So im making a web based game similar to Torn City, where there could potentially be millions of users. My issue is regarding user inventories. I started out cr
how we can check if a column exists on Table in MySQL without using Stored Procedure. MySQL v3.23 which won't support writing Store Procedure.
I'm trying to set a MySQL Database in my pc for development. Of course I've tried to change the OS None of this options made it work. Although when I hit the
I get the error Doctrine\DBAL\Schema\SchemaException : There is no column with name 'price' on table 'class_rooms'. while running migration to rename the price
I want to export some data from the DB. Basically what I want to say is this: 1- Select mbr_name from the members table 2- Choose the ones that exist at the cou
Is it possible to prevent changesets without a label from being deployed? We want to deploy our changesets based on feature/ticket using liquibase labels. Howev
I need to process a queue and MySQL for update is the goal for that. Everything is working fine, except the fact for update is locking joined tables too. I have
I need to calculate weekends of time range using MySQL. This is what I have so far(about calculate working days but i want to calculate weekends): select (f
i want to ask you how to select FOREIGN KEY (from "doa_id in "doas" table) when user create a new data (to the "notes table) in a form. This is my code : NoteCo
I've been struggling with this for a while but with no success. I have two tables that might have a relation but not necessarily. FIRST +----+-----------+------
I've been struggling with this for a while but with no success. I have two tables that might have a relation but not necessarily. FIRST +----+-----------+------
When working with data values, should I create a single table storing the hourly values, and also the aggregated daily/monthly values, or should I create separa
Question on the sql, any help is appreciated dataset: a_col b_col 1 null null 1 2 null null 2 expected output a_col b_col gro
I cannot understand why I keep getting an 1061 error for key duplicates on indexes when I dont have any duplicates. I've looked at other stackoverflow posts reg
I am using the latest version of django elasticsearch dsl and I am using the following command to index around 80 million documents: python manage.py search_ind
I have a Redshift datawarehouse that is pulling data in from multiple sources. One is my from MySQL and the others are some cloud based databases that get pulle
I am struggling to solve a problem in a CRUD working with MySQL (MariaDB). The situation is the following: I have a DB table called "tools" in this table I have