Advertisements I have two tables with the following schema: table1 ( id UUID UNIQUE NOT NULL PRIMARY KEY, … ); table2 ( id UUID UNIQUE NOT NULL PRIMARY KEY, table1_id UUID NOT NULL FOREIGN KEY REFERENCES table1(id), … ); I would like to delete all records in table 1 where the count of related records… Read More Delete records where count of a related records in another table matches a condition

Advertisements I have this table create table order_details( id_of_product integer, id_of_person text ) both fields are not unique. How to delete one row from the table with specified id_of_product and id_of_person for example i need to delete one row with id of 6 P.S person is the same for this set of rows >Solution :… Read More How to delete only one row from non unique set of rows in Postgres?

Advertisements I have this data stored in the SQL Server How can I delete the first three rows by calling the row number found in the left (1,2,3)? >Solution : You can’t. That row number is not tangible and is nothing more than the order the results were returned in. SQL does not guarantee order… Read More How to delete rows by calling its row number