I'm trying to understand how Oracle processes SQL's to study ways of optimizing complex SQL's. Consider the test function below: CREATE OR REPLACE FUNCTION FCN_
I found something weird while executing query today and i want to know how this happens. Below is my query: select sum(price) as total from table_a where test
I´m with an issue where hibernate generates the following query on an existing view. select count(proclistvw0_.proc_id) as col_0_0_ from proc_list_vw
I'm trying to run the following query but it keeps throwing this error after it keeps running for around 1 to 2 hours An internal error occurred and the reques
I have two tables exchange_rate (100 Thousand Rows) and paid_date_t (9 million rows) with below structure. "exchange_rate"
I'm trying to update two columns in an archaic Oracle database, but the query simply doesn't finish and nothing is updated. Any ideas to improve the query or so
I am using PostgreSQL 13 and has intermediate level experience with PostgreSQL. I have a table named tbl_employee. it stores employee details for number of cust
Update on 2022-05-15 After running vacuum analyze, the query plans are below. For A query Nested Loop Left Join (cost=45913.11..496597.16 rows=10 width=128) (a
I am trying to fetch 1000 rows using the Hibernate createNativeQuery. The query contains two joins. When I execute the same in SQL developer I see that response
Using sys.dm_os_wait_stats I have identified what I believe is a locking problem wait type waittime pct running ptc LCK_M_RS_S 2238.54 22.14