I am trying to add Property Address in columns that have a missing value. I use the below to identify common parcel IDs with corresponding property address since the same parcelIDs have the same PropertyAddress as well. I get this result: Now I want to add the data in column IFNULL(n.PropertyAddress,n2.Proper…
Tag: sql-update
PostgreSQL – Does a ‘RETURNING ELSE’ statement exist for an UPDATE?
I have this query: When the update is successful, it returns the following: client_id username isSuccess 1 test_name 1 When the update doesn’t execute, it returns client_id, username, and isSuccess, but their values are blank. What I’m having trouble with is customizing what returns when NO update…
Inserting multiple rows of data into a single column
Absolute SQL beginner here: I have a table ‘students’ with the columns ‘id'(primary key), ‘name’ and ‘mark’. I am now trying to add the marks for a number of students. Just using multiple UPDATE statements like seems rather dull and labor intensive. What would be the …
Best way to update the same column without using x update statements (if possible)?
I have a few questions regarding the following scenario – Consider this table (db<>fiddle here): I want to replace each class subject with a number code. For example: If I try to do this in one update statement, it won’t let me do that. The only thing I could think of was four separate state…
Updating webclient response from database
I have situation where I can’t update column at database. The problem is that only method setIsPurchased is executed and the flag is_purchase at SQL table changed to true, but the next line with setPurchasedDate which has to set current time is not executed. The response from database is Mono<Void>…
MYSQL Update same column with multiple where clause
I found this question, seems like same as mine. However, there’s a little difference between the two as that one is using the same column in where clause and I have a different one. This is what I’m trying to achieve; is it possible to do that in one query? EDIT: The data type of recent is Boolean…
How to update each entry of a table for each entry of another table in MySQL
I try to update a table by replacing text in it by a mapping table. The solution I came up with works, but only for the one entry. How can I update all entries of item for each entry in the id_mapping table? Example tables: item id type text 1 1 <span><a href=”item_id=111″>Link</a&g…
update join with where
I need to update a certain alert on a loan where the obligor and obligation is something, but I can’t figure out what I’m doing wrong in the join. This seems to update all alerts in the table rather than the specific one I want. We are using postgresql db Answer Workbench usually refers to MySQL. …
Update of many rows with join extremely slow
I have a table with five relevant fields – id, source, iid, track_hash, alias. I want to group all entries into groups with a common track_hash and then for each row save the id of the row with the lowest source (with ties broken in favor of the highest iid) entry from its group into the alias field. To…
How to update MySQL rows from 4th row to end of the result? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed last year. Improve this question For example, I have n rows, I need to update from the 4th row to the nth row. here n means the…