How can i modify join to get rid of JOIN AND (... OR ...) conditions? select table1.id, table1.country, table1.city, table1.platform, sum(table2.installs) as installs from schema.table1 inner join schema.table2 on table1.id = table2.id and ( table1.country = table2.country or table1.country is…
I have a one to many relation with Postgres. The primary key entity LUT is dependent on its child entities. I am looking for a way to cascade changes in the foreign key entities to the primary entity and update…
In Postgres I have a dataset of events, I'd like to count number of the event and profit for them having same ticker and same filter_name which occurred within time range, for example in the last 3 hours. id ticker…
I have a table of people transferring between positions: id new_position old_position 1 A B 2 C B 3 B D And so on, for several hundred rows. I want to make a query that will return each position with…
I'm computing some percentile sales data grouped by product / US state, and the query is extremely slow for a large list of locations (see "dma" in [long list of locations]). The table is around ~15 million rows. SELECT 'us_state'…
For example, i have a table with the data: Screenshot This table named "table". I have the SQL query: select kind, count(kind) from table where region = 'eng' group by kind And I get the result: Question: how do I…
I have a one to many relationship mapping table in postgres and the tables are as below: Students id Name 1 Shibbir 2 Ahmed 3 John Courses id Name 1 Data Structure 2 Algorithms 3 Math student_course_mapping studentId courseId 1…
I am using Postgres and I would like to put together the following sql queries select * from t1 where type=57 and idt=2001 and date=1; select * from t1 where type=59 and idt=2001 and date=1; select * from t1 where…
I have a column named 'CreatedAt' in postgres (DBeaver client) that is an int8 datatype and holds a unix timestamp value. Example: 1659347651689 I am writing a query that I'd like to input an ISO datet ime in the where…
Have a table test. select b from test b is a text column and contains Apartment,Residential The other table is a parcel table with a classification column. I'd like to use test.b to select the right classifications in the parcels…