I need to make the same query, but without a subquery! I need to get the count of rows in which genre_id is equal to the :deletedGenreId and the org_type_id value of this line in this table is not unique Answer There is nothing wrong with sub-query. Sub-query actually can help boost performance and increase code readability if you do
Tag: count
count number of times a value appears in a column not GROUP BY in SQL
Let us assume one has the following table (without the CountX column) : I would like to add the column ‘CountX’ with the number of different entries, per each combination of Name & City. I tried to use ROW_NUMBER() but it does not work well: I also tried to do a sub-query, using select distinct Name from table GROUP BY
Combining MySQL Queries to get total amount
I’m trying to combine the following 2 queries. table_A stores a list of available appointments and number_open is how many open slots there are for a specific appointment, in this case 2020-06-30 AM which has 5 open. table_B contains any dates waiting to be accepted and has a different record for each date request, so in this case, 2 rows
SQL query on two tables using two column as keys
I started studying SQL (not MySQL as it seems to be different in some parts) and I encountered this problem that i could not figure out how to solve I have the following tables: CREATE TABLE …
Convert SAS proc sql to Python(pandas)
I rewrite some code from SAS to Python using Pandas library. I’ve got such code, and I have no idea what should I do with it? Can you help me, beacase its too complicated for me to do it correct. I’ve changed the name of columns (for encrypt sensitive data) This is SAS code: This is my try in Pandas:
SQL Date range by month returns in multiple rows
I am looking to get the count of entries by the month. However, this is returning the total count. I would like it to be something like. Month —– Count January —- 500 February —- 600 If I can’t get the month in there, thats fine, but I would definitely like to have it so the count has its own
How can i find rows before a specific value?
I have the next row and what I want to do is to select all the rows before the type “shop”. I tried using case in the “where clause” but I didn’t get any result. How can I do it? |id|visitnumber|type …
Count grouped dates in SQL
I currently have data looking like: where grp is grouped consecutive dates. I want to count each of this grp, so with above data, I would like to get result of 5 (2 consecutive date groups for id 1, 3 consecutive date groups for id 2). Anyone have idea how to tackle this? Answer Do you just want count(distinct)? I
SQL Query to group by month and display individual month sum for a record
I’m trying to sum product codes with a particular description as total products sold in a month over the years. The two table used are: The date format is in ‘DD-MON-YYYY HH12:MI PM’. So far I’m able to formulate this: How do I separate the count as different month columns and get the sum of count in a separate column?
How to eliminate blanks from SQL Summary Row with Totals with ROLLUP
I have the following SQL in Sql server 2016. I am trying to capture Totals of Site in Column and then Sum total in Row with ROLLUP. However, I am getting Nulls as well. I am providing sample data here: How can I eliminate NULLS? Is there a way to get results like: Answer You can filter the GROUP BY