I am wondering whether cockroachdb supports extensions such as time-scale and others?, because I have a project which requires a third party postgres extension in conjunction with cockroachdb.
No, CockroachDB does not support any PostgreSQL extensions. It may one day support features from some of the most popular extensions, but it is very unlikely that it will ever be possible to use arbitrary PostgreSQL extensions directly.
If you are looking for a scale-out SQL database that supports both PostgreSQL client API and its extensions, I would encourage you to take a look at YugaByte DB. We are reusing the PostgreSQL codebase on top of our sharded replicated transactional layer, rather than building a SQL engine from scratch, and that will allow us to stay compatible with new PostgreSQL features as well as extensions.
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For simplicity and cost, we are starting our project using local MySQL running on our GCE instances. We will want to switch to CloudSQL some months down the road.
Any advice on avoiding MySQL version conflicts/challenges would be much appreciated!
The majority of the documentation is for MySQL 5.7 so as an advice I recommend you use this version and review migrating to cloudsql concept this is a guide that will guide you through how to migrate safely which migration methods exist and how to prepare you MySQL database.
Another advice which I can give you is make the tutorial migrating mysql to cloud using automated workflow tutorial this guide also says that the any MySQL database running version 5.6 or 5.7 allows you to take advantage of the Cloud SQL automated migration workflow this tutorial is important to know how works and how deploy a source MySQL database on Compute Engine. The sql page will give you more tutorials if you want to learn more.
Finally I suggest to you check de sql pricing to be aware about the billing and also I suggest to you create a workspace with this you can have more transparency and more control over your billing charges by identifying and tuning up the services that are producing more log entries.
I hope all the information that I'm giving you are helpful.
I see here that only allowed extensions can be installed on PostgreSQL in Google Cloud Platform. Is there any possibility to add an extension that is not listed in supported extensions? The extension I need is pg_semver.
There are two options here for your use case:
Use a Compute Engine instance as SQL database, rather than
CloudSQL and you will be able to install any extension you would
need to.
As stated on the official documentation you can open a Feature Request (FR) to the CloudSQL eng
team in order to evaluate it and let you know if it will be
implemented or not in the future.
Bear in mind that feature requests
have not ETA.
I have IBM Business Automation workflow 8.6.1.19002 installed and now i want to change my dbms which is oracle, but we want to use some opensource dbms for example postgre sql, so is there a way to do so. As per IBM's knowledge center it only supports oracle, sql server and db2. still I am looking for if any option is available.
All supported databases are listed here: IBM Business Automation Workflow Detailed System Requirements
There is no point of using other database, first because it is not supported and your installation will be not supported, second in the BAW license DB2 is included and you can install it without additional costs. So if you no longer want to use Oracle, then use provided DB2.
We have Neo4j environments set up on developers' machines, QA and Production. When doing development, we make schema changes, add nodes, add relationships, rename things, etc. - typical development (graph or no graph, a database is a database).
Once the development reaches a certain point, these changes (application code and database code) needs to be pushed to QA -> PROD.
With traditional database (e.g. SQL Server), one could have a table that contains a version, a SQL script that would query that table/version #, and have a branching logic, which, depending on the version, would execute the right statements, to bring target database to the right schema level.
How do people do the same in Neo4j? Is there a good solution? Seems that apoc/branching logic in Cypher are rather limited and cumbersome.
neo4j has documentation on upgrades, and also a web page on upgrades.
Generally, a newly-installed neo4j version will support automatic upgrading of the files backing an existing DB (for specific older versions), as long as the dbms.allow_upgrade config setting is true.
Also, older versions of the Cypher language can still be used. The Cypher version can be specified per-query, or neo4j can be configured to use that version for all queries.
I was asking for PipelineDB if there is a package for laravel or Native PHP, so I can use it in my current project?
PipelineDB actually does not have its own special client libraries but instead maintains compatibility with all PostgreSQL clients. Any client that works with PostgreSQL will seamlessly work with PipelineDB, so you're free to use the PHP/PostgreSQL client of your choice.
Please see the clients section of the PipelineDB docs for more information.