I have a SQL query which works but is slow. I wondered if there is a more efficient way to express it using joins. Scenario: Tables: productions, scripts and a join table, productions_scripts productions id (int) production (text) scripts id…
I already tried to install wheel -- didn't work well. Tried to install build tools -- didn't work Tried to install mysql connector/C and put it in the environment variables -- didn't work tried upgrading pip -- didn't work So…
How to select values in sql with null result For example we have next table user code user1 code 1 user3 code 2 user4 code 4 Select select * from table where user in ( 'user1', 'user2', 'user3', 'user4') Result…
I have SQL table such as this: TABLE1 STUDENT SCORE SCOREVAL 1 PASS 10 1 MOD1 4 1 MOD2 5 2 MOD1 4 3 MOD2 2 3 MOD2 1 3 MOD1 9 3 ER 1 4 MOD2 10 4 ER…
in Azure databricks, need to connect to a table in odbc sql server and create a dataframe and create exactly the same table in databricks I have already completed the below codes and I can see as attached. How to…
I have a table of stock ID Qty DatePurchased Price 11202 4 01/01/2023 3 11202 3 12/06/2023 7 5050 4 11/10/2023 60 11202 4 12/10/2023 5 5050 8 12/12/2023 70 and Item sold table ID Qty 11202 6 I want…
I have a database table for a telephone billing system. Rates are matched by the longest prefix found, so that more specific rates can be used for certain numbers. Let's say the table looks like this: Column Type id SERIAL…
There are two tables: Packages id name 1 red 2 blue 3 yellow Contents packageid item size 1 square A 1 circle B 1 triangle C 2 square A 2 circle B 3 square A If we query for {…
I have this string in some MariaDB Column (let's called it MY_COL): {"libelle": "comu00e9dien"} that i'd like to replace it with {"libelle": "acteur"} Using this STO post, I figured out how to select rows containing this string: SELECT MY_COL FROM…
Just attended a concluding interview where the interviewer assigned me a task involving CRUD operations. The task specifically entails displaying data sorted by the "display_order" column. Within the table list, there is a checkbox that allows users to rearrange the…