I have a problem. I heve data frame 1 named “df”: enter image description here And I have the data frame 2 named “dfP1”: enter image description here I want to compare the unique rows that exist in colum “Campo a Validar” from “dfP1” vs the columns in “df&…
Get executed sql statement in pymysql
I am executing a query that is invalid, but I’d like to be able to see exactly what the query is being executed by pymysql to debug it. Is there a way to do something like: Answer As per the documentation, you should be able to do: This read-only property returns the last executed statement as a string.…
String formatting — skip one format string
I have the following sql statement: Basically I want to string-format everything except for the second-to-last format string so it looks like: What would be the best way to do this? Answer Double %% the single % to escape it: Where is the StringBorg that we direly need? That would make this safe.
How do i make a sql query using more than one tables with onde condition for each?
i want to get some data from a table but separated by different conditions, for example how many lines have a column are equal to 1, how many have a column equal and the same until the number 5. i did …
How to display the related records in a single row in Oracle SQL?
I wrote a query joining two tables and I got a below resultset: However, I need to display below output with one new field called ‘Status’.Mark can work in both the departments and so the count is “2” and the status will be ‘Y’ ( displaying of any one record is okay) . Just…
Inserting random data into a table in MySql
Could someone please help me? I don’t know what the problem here Answer You have many errors in your code Use this Procedure instead And then
Conditionally joining from multiple tables
Does SQL allow some form of conditional “table choosing” within the Join statement? ie. selecting a different table to join based on a predefined variable/condition. The error I get when attempting this method is ORA-00905: missing keyword. Answer No. Neither SQL nor Oracle allow this, unless you …
How to JOIN two SQL tables to get a specific additional data based on matching id’s
I haven’t done a JOIN query in a long time, so I’m pretty rusty. What I have: a table called triggers and users. Initially, I just had a query that selected all of the information from the triggers table. This includes a user_id. Well, instead of just showing a user_id, I thought it would make sen…
How to rename database file programmatically?
I have two databases: database_A. Name of file is database_A.mdf. database_B. Name of file is database_B.mdf. Then I what I do: Drop database_A. Rename database_B to database_A: sp_renamedb ‘database_B’,’database_A. However, name of file is still database_B.mdf. Is it possible just by code r…
Do you know how to include and exclude parts of a string in mysql where clause?
I am having trouble using and/or/not operators in my where clause to create the following logic. I have a field called package that lists out many different names of packages and I need to include/…