We have a simple counter in out project database. Until now we were using version 1.4.197 of H2 database. Executing below example snippet with this version always imply counter to be 5000. Upgrade to version 1.4.198 or above makes below code returning inconsistent results, usually between 1500 and 2000. My as…
SQL error ‘ER_OPERAND_COLUMNS: Operand should contain 1 column(s)’ for DELETE function
Trying to delete rows that exist in both temp_abstract table and abstract table. When I just run what’s inside the parentheses it returns what I want, but adding a delete from where seems to throw this error. Any help? Answer You can use EXISTS instead : Sub-query will return only one expression while u…
Postgres query nested JSONB
I have a JSONB column containing list of objects.> Here’s the table schema: column Name | Datatype ——————— timestamp | timestamp data | JSONB Sample Data 1. timestamp : …
us WHERE statement and ARRAY for AthenaQuery
I have an SQL query like this (written for PostgreSQL): SELECT * FROM users WHERE users.company_id = ANY(ARRAY[945387, 969109, 1460013, 1460044]) AND users.profession_id = ANY(ARRAY[2738, 6388]) …
Laravel : convert grouped data to one row
Hello please i want to convert grouped data with duplicated keys and different values to one row. For example : “book1” { { “id” : “1”, “group” : “book1”, “name” : “…
How to rollback stored procedure that updates a table
Why doesn’t this ROLLBACK TRANSACTION statement work? BEGIN TRANSACTION; DECLARE @foo INT EXECUTE [database].[dbo].[get_counter] @CounterID=’inventory_records’, @nextValue=@foo OUTPUT; ROLLBACK …
SQL Getting the party with highest votes
I am trying to make a voting system through a SQL server, and I can’t get it right. What I am trying to do is get the party with the highest amount of votes. I expect something like [DEMS][8], or at the very least, the party name of the party with the highest votes. Answer Rather than using a WHERE
Using LIKE in SQL with multiple search terms
I’m doing a basic SQL course and learning the basics currently and having issue with filtering: Task: list all the rows from TableName where the columnName field content does not contain any of the following words: ‘stack’ or ‘overflow’ or ‘exampleword’. -> I get i…
Count rows with same value while keeping columns
Lets say i have the following sql table: How can i modify my select query to return my data with an additional column telling me the number of occurrences for each ID, while keeping the original columns collected? Which would result in this: Query is this: Answer You can use window functions, if your database…
Conditional Postgres Query
The PG table looks like this: I would like to write a query that only lists rows in which Name has a ‘Type A’ record but not a Type B record. This is the result I am hoping for: Answer You can use a nested select: