I am trying to display all data from a table, take two columns and multiply them and place the result in a new column at the end. Can I use the ‘*’ and then multiply or do I have to select each column …
Find Recent Frequent Flyers in SQL Database
I need to find a list of frequent flyers in a database. There are 2 important tables: Demographics and Visits. This is what I have so far: It runs and returns people who visited last year 5 or more times. However, what I ACTUALLY want is people who visited 5 or more times, and have at least 1 visit last
How to join two tables to determine date ranges when one table contains (id, start_date) and another contains (id, end_date)
I’m new to SQL, hope you guys don’t find it silly. Working with two tables here, one contains start dates and other contains end dates. Entries do not follow sequence/possibility of duplicates. Answer You can use union all and aggregation with some window functions:
Room: error: Not sure how to convert a Cursor to this method’s return type (void)
I have this query set up to return all the records from these tables and display the information on a recyclerview in android. the DB is set up using the Room persistence library aka SQLITE. @Query (“…
How to efficiently replace special characters in an XML in Oracle SQL?
I’m parsing an xml in oracle sql. XMLType(replace(column1,’&’,”)) //column1 is a column name that has xml data While parsing, I’m temporarily wrapping ‘&’ in CDATA …
Generate XML path format from SQL table
I was trying to get an XML from a SQL table: My Table ———— — Table1 — ———— ID Flight1 Flight2 ————————– 1 F0123 F0789 2 F0345 F0678 Query:…
SQL Assign Custom values to those rows with similar IDs
|id|last| |2 |NULL| |2 |2018| |3 |NULL| |3 |NULL| |4 |2011| |4 |2013| This is what my current table looks like. A new ‘status’ column is to be created for each ‘id’ that must have the below 3 values. …
FULL OUTER JOIN without any join conditions
I have two tables t1: +————–+————-+————–+ | Product Name | Issue # | Risk Level | +————–+————-+————–+ | Product1 | Incident#45 | Risk …
How to create your own week intervals
Objective: I have a 49 dates in my data set and I would like to group them by weeks in order ASC without using the WEEK or ISO_WEEK functions. The output should look like this: +————+—–…
Laravel – Property [owner] does not exist on this collection instance
I’m trying to get data from multiple rows in the same call by their id but I get this error everytime when I submit the form.. ‘Property [owner] does not exist on this collection instance.’ Can you …