Should there be a transaction for read queries

Should there be a Transaction for Read Queries? - Stack Overflow

Transactions would be useful around a select if you want to lock that row while a person is reading records and don't want it to modified or read.

Should there be a transaction for read queries (SQL server ... - Quora

No but. Every system will handle this differently, but in SQL Server for example, this will generate a lock on the rows that need to be read.

What is the difference between a query and transaction : r/SQL

A transaction is a group of queries. Any data modification will not take effect until the transaction is committed, opposed to the query being ...

Is there really any benefit in wrapping random ad-hoc queries in a ...

The net result is that instead of being blocked, read queries will see data as it existed prior to any currently running write transactions. Be ...

Database Transactions 101: The Essential Guide - DbVisualizer

On the other hand, a database transaction is an atomic that involves multiple statements, queries, and operations. 3. When should you commit a database ...

Reads outside of transactions | Spanner - Google Cloud

If you are making multiple read calls that require a consistent view of your data, you should execute the reads as part of a read-only transaction. For more ...

MySQL: The Impact of Transactions on Query Throughput - Percona

If there is no real reason (example repeatable read) why your selects should run in transactions, I would recommend to avoid them, because ...

Using Transactions for Read-Only Operations | Baeldung

Now, if transactions have more queries, we should use an explicit read-only transaction. Creating a read-only data source can also help save ...

Reading uncommitted writes in a single transaction - Discuss Dgraph

It uses the transaction context in one batch). You can't open an transaction, then mutate and then query for it in without committing. This ...

When to use Database Transactions? #dbms #dbmstutorials

Once you know what Database transactions are the next step is to understand when should you use Database transactions while working on a ...

Is @Transactional(readOnly=true) a silver bullet? | by James - Medium

I choose the subject because there are a lot of @Transactional ... need to perform read-only queries as one transaction. 4. Reference.

Why do I need Transaction in Hibernate for read-only operations?

This could lead to huge performance gain depending on how many objects you loaded. Impact on architecture & clean code. There is no guarantee ...

Do You Use Database Transactions For Your Eloquent Queries?

No need for transactions if it's a single query. However, the link i posted on my first reply has some really good examples.

Difference between beginTransaction and ...

Database transactions are used to execute multiple queries in an atomic fashion. After executing queries, you must either commit the transaction ...

WITH (NOLOCK) vs READUNCOMMITED proper way / performance ...

In a transaction databases (where many users are querying and updating at the same time), a query running under the default READ COMMITTED ...

View topic - Using transactions for read-only operations

I don't think there's any particular need to commit the transaction at the end if it was only for read operations, but it probably won't hurt ...

what happens if I use SET TRANSACTION READ ONLY and ...

READ ONLY transactions do guarantee a read consistent view across multiple queries. But it doesn't lock any undo. If the transaction runs a long time and ...

DB Query Reader with Database Transaction - KNIME Forum

You should be able to test this theory by adding a second MS SQL Database connector and add to it a DB Query Reader of its own. Manually execute ...

Transactions overview | Spanner - Google Cloud

One difference is that if you read data, and later commit the read-write transaction without any writes, there is no guarantee that the data did not change in ...

Are the changes done after a transaction is performed ... - SQLite

All the other threads which access the database are read-only connections (mode=ro, and only allowed to perform query calls) with private cache ...