I want to extract the “month” from the date_contact column. I tried select dateadd(mm, datediff(mm,0, date_contact), 0) from cohort and select cast(date_contact As Date). I received result that is …
Androd Room Embedded Relation ignores where condition
I am an SQL rookie and don’t see why my statement behaves the way it does. It is used in an Android Room DAO and returns unwanted results. I have this sample data in two tables: I have this …
Get identity of row inserted in Snowflake Datawarehouse
If I have a table with an auto-incrementing ID column, I’d like to be able to insert a row into that table, and get the ID of the row I just created. I know that generally, StackOverflow questions …
DATEPART fix days
CASE WHEN DAY % 2 = 0 AND POL = ‘SUUA’ THEN CONVERT(VARCHAR(15),DATEPART(DAY,5)) + ‘ TO ‘ + CONVERT(VARCHAR(15),DATEPART(DAY,3),103) I set datefirst 1 but i can’t how to improve this. I’m sorry for …
how to split words in oracle
Problem: text is shown without line break or chr(10); suppose test column_name (text) hello world hello world hello world hello world. hello world. sql i tried select REPLACE(…
Port MySQL script to MS SQL -> simultaneous data asignement and retrieval
I have been trying to make this work for hours but I can’t really find a way to do it. I have a MySQL script that I need to migrate to MS SQL 2014, however, I can’t seem to make it work. As far as I …
Oracle SQL: How to write below SQL in Oracle
There is a table t1: Now I need to check if the id only has type a and the count is 1 (single), i.e., only id 4 satisfies this condition in the data above I use the above SQL query to get the data and then use it in code. It’s not a good solution, can anyone help me to
One big table or multiple smaller ones? [closed]
I was wondering which approach is better when making a database (ie for a messaging app). Lets say that there is a table with all the messages. is it better to either: Have one large table for all …
SQL – Fetch associated data from multiple table
I have 4 tables. The table does not contain any foreign key reference t1: | id | name | +—–+—————-+ | a1 | cheese | | a2 | butter | | a3 | milk | …
sql select group by int()
I want to get int using this query: “SELECT int(Abs(x1-x2)+0.5) AS len, Count(*) AS num FROM Coordinates GROUP BY int(Abs(x1-x2)+0.5) ORDER BY int(Abs(x1-x2)+0.5) ASC;”; int …