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Showing posts with the label Sql

How To Divide 2 Varchar(255) Values And Insert Into Row (mysql, Python)

Table data: I have a table cpu with the columns name, price, id, mark, value Data format: The price… Read more How To Divide 2 Varchar(255) Values And Insert Into Row (mysql, Python)

Django Orm - Left Outer Join With Two Columns?

This is the relevant code: class Book(models.Model): name = models.CharField(max_length=50) c… Read more Django Orm - Left Outer Join With Two Columns?

Parse Table Names From A Bunch Sql Statements

I have an table with thousands of SQL statements in a column called Queries. Any ideas on how to ge… Read more Parse Table Names From A Bunch Sql Statements

Retrieving Data From Sql Using Pyodbc

I am trying to retrieve data from an SQL server using pyodbc and print it in a table using Python. … Read more Retrieving Data From Sql Using Pyodbc

How To Use Db Functions In Tortoise Orm

I am trying to write a simple query but using PSQL functions CURRENT_DATE and INTERVAL, for instanc… Read more How To Use Db Functions In Tortoise Orm

How To Nest Conjunctions Or_ And And_ In Sqlalchamey

I'm tyring to recreate this query in SQL Alchamey but I've been unable to nest the filters:… Read more How To Nest Conjunctions Or_ And And_ In Sqlalchamey

How To On Duplicate Key Update

I have this query that is executed in my Python script but when its inserting into the database and… Read more How To On Duplicate Key Update

Block Insert From Array To Sqlite In Python

So I read this article that says inserting in blocks beats one row at a time: Which is faster: mult… Read more Block Insert From Array To Sqlite In Python