I have a table with PK CustomerId + type. Each customer has a few types. For each customer I want to get type which repeated the most for this customer. I’ve tried to create a column “count” but I want to get the local maxs, and not a global max for the whole col. Is there a native way to
Tag: count
How do I aggregate data in sql for multiple rows of data by column name?
hi im new to sql and trying to understand how to work with data structures. I have a table If the interaction userkey number repeats then, i want a column called number of visits. in this case, for interactionuserkey 5, there are 2 total visits since its repeated twice. for interactionuserkey 0, number of visits =1 and so on. Basically,
How do I see the COUNT results for only the top values in the table and not the entire table in sql
I am creating a Database for my utility bills in SSMS18, and I am trying to retrieve the count for the occurrence of a specific month in the top 10 months with the highest bills. How do I restrict the COUNT feature to only count the top number of rows? Table design I can limit the results by adding a
How can I count the number of zeros in all columns for a table in oracle sql
Suppose you have a database table named db_table1 with hundreds of columns and most of them contain lots of 0’s. I’m trying to count zeros for each column and divide it by the length of column so I can see the ratio of zeros in each column. The below code gives me the ratio of nulls in each column. But
How to get distinct parent_sku count for the below dataset?
Need your help to extract distinct Parent_sku count from the below data set. Condition: If one child of a parent_sku has “High” sales_tag then that parent_sku count should be excluded from “Low” sales_tag. P.S. Sales_tag column is based on child_sku column. Thank you for your help. Dateset_&_Output Answer The presented schema is non-conducive to this type of query, however we
Oracle SQL: Dividing Counts into unique and non unique columns
I have a table that looks like this: I want to aggregate by FileID and split the File Info column into 2 separate count columns. I want 1 column to have the count of the Unique File Info and the other to be a count of non-Unique file info. The result would ideally look like this: where the non-unique count
Is there a way to count and calculate percentages
In this image, I would like to count the occurrence of header5 for each header1 group. Plus I want to know the percentage of each occurrence in header5 for each of the elements in header1 Answer Try this:
Oracle SQL Count function
I am hoping someone can advise on the below please? I have some code (below), it is pulling the data I need with no issues. I have been trying (in vain) to add a COUNT function in here somewhere. The output I am looking for would be a count of how many orders are assigned to each agent. I tried
Finding duplicate values in multiple colums in a SQL table and count
I have the following table structure: I use the following command to display the duplicates and the counts: This command gives me a count of 2. I would like to know how the second line could also be counted as a dublicate. Answer You need the scalar functions MIN() and MAX() to get the 3 integer values of each row
MySQL customized exists query performance
Because of using Hibernate, I cannot write a JPA query using exists like this (I translated it to pure SQL query): So I have to write an alternative query to check existance of activated accounts. After reading several suggestions on this website, I see a replacement: My question is: Is this bad for performance, is it short circuit query. Means