Does anyone know how to split my address columns. I would like to divide it into three new columns, seperated by it’s commas. For example 1808 FOX CHASE DR, GOODLETTSVILLE, TN is divided into 1808 FOX CHASE DR GOODLETTSVILLE TN So far I’ve tried Although I cannot create the third column with the state abbreviation. Thanks for any input Answer
Tag: sqlite
Use of ORDER BY returns column filled with NULL
I have to do the following exercise: Write a SQL query to list the names of all people who starred in a movie released in 2004, ordered by birth year. Your query should output a table with a single column for the name of each person. People with the same birth year may be listed in any order. No need
Checking if date in table B is between date in Table A before inserting SQLite
I have a table called Project with start and end dates. I also have a table called Plan which have its own start and end dates column. But I some way to validate that the Plans start/end date is between the matching Project start/end date. I dont know if its appropriate to add a check when I create the table
SQLite query to find datetime difference between multiple rows
Here are my two tables’ structures in SQLite if startJob is 1 it implies that the employee is starting the job and if startJob is 0 it means employee is stopping the job. attendanceTable is sorted by mydate column I want output as worked hour by individual employees. Input of query can be two different dates e.g. 2021-08-20 and 2021-08-22
How to use CASE statement to update data (as fractions) in the table?
Query Table: Different Fruits Total Fruits Fruits Fraction 3 5 2 6 2 2 4 6 1 1 6 6 6 16 4 20 Updated Table: Different Fruits Total Fruits Fruits Fraction 3 5 3/5 2 6 2/6 2 2 2/2 4 6 4/6 1 1 1/1 6 6 6/6 6 16 6/6 4 20 4/6 There is a total
Create subquery using peewee, using `.select` on the subquery results
I have a rather complex peewee query that looks like that: This one actually works, generating the following SQL query: But I don’t really want to use RIGHT_JOIN as it isn’t supported by SQLite. When trying to query using the subquery query and JOINing the Solution table into the subquery’s result, I get an error from peewee. The new query:
How to find the max values of each columns using a single SQL query
I have a table, I want to get all the max values of col1, col2, col3 using one query only. I’m using sqlite and flask-sqlalchemy. I tried but then I got [(88,), (30,), (75,), (93,)] I want the output to be [(93,), (88,), (75,)] How can I do this? Answer I think you want three separate calls to MAX here:
Why doesn’t SQLite appear to lock my table / row?
I’m tinkering with an in-memory sqlite database, trying to wrap my head around concurrency. Here’s an example using SQLAlchemy OUTPUT Here, I use two connections to write data to the same record. I would expect the output to be “A112”, because I thought the first connection would have a lock on the record until it COMMITs, but to my surprise
Reading and displaying values from SQLite and storing them inside a List
I am trying to read and display all the data from my db but I get the following error. Also the recyclerview is not displaying any data. How I read from the DB. How I add the elements into the db. How I try to display the data saved in a list. Class where I save all my data. ERROR:
Don’t save info in table
I am trying to save the information to the database in the following way: But I get the following error: Using next data: UPD: Check for data and types, get next UPD2: If I use next code, it’s work: But I want to change table Answer Issue resolved, it works: