I have similar query in my project. I have been told to find other way to remove not equal to, because index is not used if you do so. I have no other filter condition, can I do some work around to fool optimizer? Answer I have been told to find other way to remove not equal to, is generally
Tag: sql
Power BI DAX – find repeatability
Given data as such: Is there a way to make a measure that would find if for each month, last three Values were True? So the output would be (F,F,T,F)? That would propably mean that my actual problem is solvable, which is finding from: the count of those booleans for each row, so the output would be (0,0,2[A a…
CASE (IF ELSE )
if else statement in oracle with condition Answer What you posted doesn’t make sense; as if that CASE was supposed to be in the WHERE clause, e.g.
Compare Existence Of The Same Field A Based On Field Batch [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 1 year ago. Improve this question A table has fields code batch I want to know what code(s) are in batch 1 but not in batch 2. …
Copy a dependent table
I have this customers table (I’m using SQL Server): About 300 customers were registered in this table. I created another table in another database and inserted these customers into the new database. Here is the new customers table: But I have an operation table as well and I didn’t change this one…
How to use SQL to get column count for a previous date?
I have the following table, Required output, I am looking to add the price for previous row. Row 1 is 0 because it has no previous row value. Find ratio ie 10/30=0.33 Answer You can use analytical function ROW_NUMBER and SUM as follows: DB<>Fiddle demo
Convert SQL result from Hash to Varchar
I have some data in an SQL table that is hashed, and am trying to convert these variables back to a string, however everything I get back is gibberish. I have tried all suggestions on Stack Overflow, …
How to query SSMS via SAS EG ODBC connection while using data from WORK?
Is there a way to send a SAS dataset through a proc sql odbc query in SAS EG so that it can be taken in and used by SQL server? ex) SAS Data WORK.A contains 3 columns ID, col1, col2. I have a table in Sql Management Studio environment with the same ID column. I would like to (somehow) do
using subquery’s column alias as a property in main query
i want to know if the main query can see the alias, here’s an example: Does the first query see the alias “values”? Answer Does the first query see the alias “values”? Yes, it does. The subquery creates a derived table, and aliases act as column names in that context. However, st…
Select only newer records among the result of a query that extracts duplicate rows in a db
I have a db where I can have multiple rows with same field “aid” (it’s a sort of historical changelog of same items). With the following query, I’m extracting rows with same aid orderd by descending date: That should be a child table related to a father layer (made by a postgres materi…