This example is modified and simplified, but resembles a real problem I have with legacy code that I am trying to fix. I have a MSSQL CAR table (wher ...

I have this code where I create a mongoose transaction. However it's not working as I expect. As you can see here, I'm testing the transaction by thro ...

Say we have this table: The logic is to insert new record, incrementing version value in case of the equal label value. First intention is to do so ...

I'm trying to understand how EF Core transaction with a lot of inner commands use memory. Let's say I have code like this: MyReader is reading a v ...

Do MongoDB transaction updates be reflected on the database before it is commited? ...

I am calling an API to save the production data, I need to save various details like batch no, machine no, and process in different database Class Pr ...

I want to synchronize all transactions with the database, so I use get_ Block method. The code is as follows： but When I get all the transactions i ...

Given a TestClass with TestMethod for an integration test (spawning MySQL Testcontainer behind the scenes) and the Handler implementation annotated ...

https://dev.mysql.com/doc/refman/8.0/en/innodb-deadlock-detection.html InnoDB is aware of table locks if innodb_table_locks = 1 (the default) and ...

create two tables for comparation: start transaction tx1 and do a locking read for table t1: The locks that tx1 holds look like this: Now rol ...

Here I have a dilemma. Let's imagine that we have a sql table like this enter image description here It could be a problem when two or more users ove ...

Postgres docs state PostgreSQL actually treats every SQL statement as being executed within a transaction. If you do not issue a BEGIN command, th ...

I work at an enterprise company; we have to migrate some of our applications to OpenShift and we face some obstacles regarding 2-phase commits. Curre ...

I have 3 tables: Company OperationMaster OperationCompanyXref OperationCompanyXref is a child table for both Company and OperationMaster A ...

I am trying to understand how latches work in databases. I am trying to build a concurrent btree with latch crabbing / coupling techniques. Lock coupl ...

I don not have any clear concept why we use @transactional annotation. My need a realtime concept for use this. Please give me clear concept with exa ...

I'm using sequelize, and using transactions, but I have to make a lot of inserts every night, my fear is if these inserts/changes are stored in memory ...

I have a Java, Spring Data application with a PostgreSQL DB and I have a code similar to this in my service layer: Sometimes this code prints "Not ...

I have a consumer where I begin a serializable transaction. I'm trying to use the new MassTransit Transactional Outbox, but with the outbox configu ...

I need to merge array data from two different arrays from the Input JSON and make a flat list of items in the Output JSON. The first array contains th ...