I have two tables cities (as C) and routes (as R) C: ____ ______ | id | city | |____|______| | 1 | A | | 2 | B | |____|______| R: ____ ______ ____ __________ | id | from | to | distance |…
UPDATE with INNER JOIN on SQL Server
I have 2 tables Users and Orders. Primary key of Users is UserId, which I have defined as foreign key in the Orders table. I have added a new column of UserName to Orders. I want to import UserName …
SQL group by is bringing lots of duplicates
I’m trying to group my data by OccDate, ParkingContextType, AuthorityId and of course, i would like to measure each sessions for each date/contexttype etc… However, I`m also trying to calculate the …
How to know the size of a table with a photo in Oracle
I have a table that I fill in the post method, I send a photo, and describe the event, I want to know the size of this table (MB) with the help of a selector, Someone can help me with this ?? SQL> …
how to return a unique set of characters within a field (SQL)?
Basically i am trying to return any fields within the tag column that contain up_ up1_ up2_ up3, up4_. the problem i’m facing is i only want to show these tags and not the others. The field …
Access SQL: Update list with Max() and Min() values not possible
I’ve a list of dates: list_of_dates. I want to find the max and min values of each number with this code (#1). It works how it should, and therefore I get the table MinMax Now I want to update a …
SQL – a member can see a doctor only once a year
I have a table named Claim. I have built the following query except the last column(Reimburse). How do I populate Reimburse column like this table? So the idea is that company pays a member to see a …
how can I make this query not CaSeSeNsITIVe?
how can I make this query not Case sensitive? @courses = Course.where(‘name LIKE ?’, “%#{params[:name]}%”)
How to implement BETWEEN Sql query in Firebase?
I am working on a android Firebase project. I need help in implementing this sql query in Firebase real-time database. Answer There’s good documentation on how to do firebase queries as well as apply them to ranges. Something like: Then you add the appropriate listener for what you are trying to do. (e.g. a ValueEventListener or a ChildEventListener via addValueEventListener
DB2 NVL with empty string
As in DB2, empty string and null are unlike in Oracle. Is there any method to realize NVL but with empty string？