I have a table with names and visits data as follows Name Visitlicensedate LicenseExpiredate John 1/1/2020 3/30/2020 John 2/1/2020 5/2/2020 John 6/1/2020 9/30/2020 James 3/15/2020 6/14/2020 For …
How to format SQL Queries inside PySpark codefile
I would like to format my existing SQL queries inside the PySpark file. This is how my existing source file looks like: And this is how I wanted it to look like: I have already tried using black and other vscode extensions for formatting my code base but no luck since the SQL code is being treated as a python
i am trying to combine the PL/SQL and the SQL commands in manipulating the database. am i doing it correctly? any help and corrections?
enter image description hereuse PL/SQL with SQL commands in manipulating the database (PL/SQL structure, Data types, Variable, DBMS Output and Conditions) and this is my codes and what i have understandenter image description here Answer The sample code for me does not run. It gives The reason is that you hav…
Calculating totals and percentages for each row, in a time boxed window, for a relation
Ok, so I’ve got two tables: jobs, and job runs. I’m using Postgres. I want to look at 2 periods. 7 days ago until now, and 14 days ago to 7 days ago. For each job, I want a total of the number of runs, and a percentage of successful and unsuccessful runs for each period. I’ve cooked up this
SQL error 42P01 when using jsonb_to_recordset function
I’m trying to display the contents of the jsonb column using the jsonb_to_recordset function: But get the following error The function itself works when I substitute the values manually. Сan’t figure out what the problem is. Answer Write it as a FROM…JOIN:
Get data from database and write it back in again
I have written a function by reading an excel file and writing it to the database. This works! Getting data from the database also works. Where I get stuck is at the point that the function should read each row, calculate it and write the result back to the database. I also want to find out how many rows were
How can I evaluate the size for when it returns the value whatever I want?
I have this query in which I check with the NVL function if a field is null that it returns the other one and so on respectively, but I want to make sure that regardless of the data that it returns it is not greater than 10 and if it is, then that it cuts the string in that limit
Removing near identical values from mysql table
Is there a way of removing near identical values from a table in mysql? My table has records more than 10K out of which one of the company looks like this: on using describe tablename I get this: the names of the company are same however I would like to delete the second instance from table, thereby keeping j…
How to cast this integer value to date in MySQL
i have airbnb data and i want to cast column last_reviews (which datatype is int) to date this is my sql code http://sqlfiddle.com/#!9/b5ea42/31 how do i cast int > date? or how do i create last_reviews column as datatype date? Answer The last_review date seems to be the number of days since 1900-01-01 so …
Multi-column IN/ANY postgres query
Sample table schema: Requirement: Fetch rows that match any of the tuples (col1, col2) presented in an array. SQL: I want to write this query in Go using the “database/sql” package with “github.com/lib/pq” driver, and that is where I am facing the problem. I can easily do this for sing…