I’m using oracle database and trying to delete duplicate records from that. For the same I’ve written a below query but getting this error Its giving red indicator under outer keyword in Left outer join in query. Query: Answer Oracle does not permit JOINs in DELETE queries. This is clear if you look at the syntax diagram for DELETE in
Tag: sql-delete
Delete from child table with two parents without cascade delete in sql server
I need your guidance. I create a script to delete from 3 tables separately. meaning when I created the script is to delete from table3 (child) then delete from 2 (child), then delete from table1(parent) I am having problem with Table3 since table2 has foreign key both for table2 and table1 so I cannot delete it before I delete table2
How to remove ‘wasted rows’ after delete in Oracle SQL database
In Oracle sql database, a process in our system deleted (not truncated) approx 2 million rows from a table. This resulted in a huge number of ‘wasted rows’ causing the queries running on that table to take more than 9 hours which usually get over in 5 minutes. Upon checking, we found that the size of total number of actual
SQL delete duplicate rows based on multiple fields
I have the following table in sql: id | trip_id | stop_id | departure_time —————————————- 1 | 1| 1| 06:25:00 2 | 1| 2| 06:35:00 3 …
sql delete statements with multiple where condition error
is this the correct statement if not plz help me correct it. String query = “delete from favourite where username=” + Session[“username”].ToString() + “and id=” + id;
MYSQL delete all rows, but the same query on select return only 3 rows
I can’t understand why the same query for select and delete have different behavior. I need to delete all rows except 5 newest rows. I know my solution for this task is no good, but my question is …
What is the syntax for merge-delete target rows with filter?
I’m learning SQL on Oracle Dev Gym. I’m taking the class Databases for Developers: Next Level: Merge, by Chris Saxon. I can’t for the life of me figure out how to delete rows with filter in the …
How to remove rest of the ordered rows with the same ID after the first row which occurs more than once with that ID?
I have the following structure for the table DataTable: every column is of the datatype int, RowID is an identity column and the primary key. LinkID is a foreign key and links to rows of an other …
How to remove rest of the rows with the same ID starting from the first duplicate?
I have the following structure for the table DataTable: every column is of the datatype int, RowID is an identity column and the primary key. LinkID is a foreign key and links to rows of an other …
Specified Twice Table for ‘DELETE’ in MariaDB
I created a query to delete some record in MariaDB Query : Result : Table ‘HrAttLogsFormatted’ is specified twice, both as a target for ‘DELETE’ and as a separate surce for data But with the query I made unsuccessfully, is there a way to solve it? Thank you in advance [EDIT-SOLVED] It’s Solved with simply apply and query Answer I