db_table => commitment ref_no comm_date 1 2022-10-05 2 2022-10-05 3 2022-10-06 4 2022-10-07 5 2022-10-07 6 2022-10-08 db_table => collection ref_no amount trnx_date 1 500 2022-10-05 2 100 2022-10-05 1 700 2022-10-06 3 400 2022-10-07 3 600 2022-10-08 5 800…
I have a query where in I divide 2 columns and multiply it by 100 in a new column(DeathPercentage). But this new column data type is automatically set into bigint, is there a way that i could change it to…
Im trying to write a query that returns a count depending on the value of a feedback field that ranges from 0-5 (0 meaning that it was not rated). I want: Count of all rows ( anything rated 1 or…
I have the following situation: A user can have maximum number of partnerships. For example - 40.000 Question: In case user wants to add a new partnership, how it will be faster to check the current number of partnerships ?…
I have two tables trades and payments whereas single trade may have 0...* (none or many) payments. I want to get the sum of all trade amounts and the sum of all associated payment amounts, for a trade belonging to…
Not sure if I have got the wording correct here, but I have this table: | name | pets | |-------|---------------| | bob | cat, dog | | steve | cat, parrot | | dave | dog | and I…
I am using PostgreSQL 14.5 I can classify the year by quarter using the Postgres keyword QUARTER as illustrated in the documentation just like SELECT EXTRACT(QUARTER FROM TIMESTAMP '2001-02-16 20:38:40');. And it works. The default quarter starts with January. Which…
It is possible to list all values in n number of tables having same structure? Table: insert into t2 values(1,sam); insert into t2 values(2,tony); . . insert into tn values(1,jim); Output: 1 max 1 sam 2 tony . . 1…
I want to duplicate a specific teacher so that they appear twice in the output of a SELECT statement. Teacher Grade District Mr. Smith 3rd West Mrs. John 4th South Mr. Cameron 2nd North Mr. Cameron 2nd North Kirk Horn…
I have the following data in an orders table: revenue expenses location_1 location_2 3 6 London New York 6 11 Paris Toronto 1 8 Houston Sydney 1 4 Chicago Los Angeles 2 5 New York London 7 11 New York…