Using Dapper, is there a way to form this into one query with the prepared statements? The length of userIds is dynamic. Answer One of the many advantages of Dapper over straight ADO.NET is the simplicity of inserting a list of data to a table. You just need a list of a class <T> where the properties of…
How to display multiple rows based row difference data In SQL?
I have a table as follows: I want to split this data based on above data. If FromYm(Means yearmonth) and ToYM(Means yearmonth) difference is two then result as two rows: Example result : Tried Code Answer You can do it using recursive cte: You can test on this db<>fiddle
SQL – select based on value existence in another column
I want to create a SQL query to identify wells which do not have A3 events. I am using SQL server. I have tried multiple ways like checking count, comparing with event A3 but still unable to get what I want. From below example desired result would be W3 and W4 Site Event W1 A1 W1 A2 W1 A3 W2
What is the value of schema tests in dbt?
When would you want to use a dbt schema tests (unique, not_null, accepted_values, & relationships) when you could instead use SQL schema constraints? For example, here are some SQL schema constraints that could replace each of the dbt schema tests: unique: UNIQUE constraint not_null: NOT NULL constraint a…
Altering a query to show the overall sum of the numbers combined
I was wondering if there was a way to alter the below query to show the overall results This is what it currently shows Is there a way to alter the query to show the sum of just the A, AA, B, Drop, N, NA, NC, and PDROP so when I run the query it will just give me all
Many-to-Many Link Table Foreign Key Modeling in SQLite
I have the following two tables in SQLite: Many Main rows may reference the same link id, and many Link rows may have the same link id, such that select * from Main natural join Link where main_id=1 will return N rows, and select * from Main where link_id=1 will return K rows. The link id is important, and th…
Presto SQL date_format extract week of year
Documentation : https://prestodb.io/docs/current/functions/datetime.html I have epoch timestamps from which I want to extract week of the year like 2021-32, 2020-50, 2021-02 and so on. However I am getting up some wrong values like : week = 2021-53 for Epoch-Time corresponding to Jan 1, 2021 or Jan 2, 2021. I…
How to add SUPER column to existing AWS Redshift table?
GOAL I would like to add a Redshift SUPER column to and existing redshift table. I need this to store JSON data there CODE This is how Normally I would add a new column. 1. Tried Error running query: ALTER TABLE ADD COLUMN defined as NOT NULL must have a non-null default expression Reviewed Solutions Alter co…
Access number identical fields with decimal number
I have a Table in Access and some field values are identical. If the field values are identical I want to have them numbered with decimal numbers. Is there a way to do this with SQL? Below is an example of my table and what I want to do. Answer You can use a query having two subqueries: Output:
How to not have time be a bind parameter in SQL, but have a parameter be bound?
I wish to select orders from after 23:00:00 but have a prompt for date selection, but when I use bind parameters the time is recognised as a parameter for binding since it contains “:”, what is a workaround for this? I need just OrderDate to be a bind parameter. Screenshot showing bind parameters …