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Quest Software recently released Toad Edge 2.0, which adds support for PostgreSQL and EDB Postgres. This reduces the time that DBAs and developers need to spend managing their Postgres databases, while ensuring optimal performance. This post was recently shared in the Toad Edge Community, which describes how Toad Edge Preview 2.0.0 includes...
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By Ken Rugg
Navigating the maze to cloud
Picking up on our last post on moving databases to the cloud, now, let’s look at what is involved with migrating your database workload to the cloud.   To migrate to a different database, you may need to change the schema to accommodate the new database. In moving between different relational databases, this is not generally a complex process,...
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By Robert Haas
Are you using force_parallel_mode correctly?
I admit it: I invented force_parallel_mode. I believed then, and still believe now, that it is valuable for testing purposes. Certainly, testing using force_parallel_mode=on or force_parallel_mode=regress has uncovered many bugs in PostgreSQL's parallel query support that would otherwise have been very difficult to find. At the same time, it's...
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By Rafia Sabih
Parallel Index Scans
This blog will continue the discussion of parallel query in PostgreSQL. In the previous blog of this series, we learned about parallel index scans, its design in PostgreSQL and the performance improvement achieved for a few queries on the industrial benchmark of TPC-H. Therein we analyzed the performance improvement only for a small factor of 20 (...
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By Ken Rugg
Moving to the cloud
With so many workloads being migrated to the cloud, this is a question we get all the time. For anyone making this move there are many choices to make and options to consider. In this post, I will step through those to help you decide on a path forward. First, recognize that not every workload is equally suited for cloud deployment. To properly...
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By Bruce Momjian
I have been in Europe now for more than two weeks meeting a number of our customers and PostgreSQL users at the EDB Postgres Summer School. So far I have been in Zürich, London and Oslo and there are further events in the Netherlands, France, Czech Republic, Italy, and Belgium, the Nordics, Spain and Germany throughout the Summer. The purpose of...
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By Ken Rugg
EDB recently had the pleasure of inviting Noel Yuhanna to present at a webinar we hosted—Databases in the Cloud: Today's Realities and Tomorrow's Promise. Yuhanna is a principal analyst at Forrester, serving enterprise architecture professionals. This webinar was well attended, and that was no surprise. According to Yuhanna, the topic of database-...
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By Ashutosh Bapat
Partitioning
Before PostgreSQL 10, Postgres users partitioned their data using inheritance based partitioning. The method used constraints to define the partitions and rules or triggers to route the data to appropriate partition. A user had to write and maintain code for all of that. PostgreSQL 10 introduced declarative partitioning, which is much easier to...
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By Ashutosh Bapat
Cost based optimization A query may be executed in many different ways, modeled as plans in the query optimizer, differing in resources required and/or execution time. A typical DBMS's query optimizer tries to find all of the possible plans for executing a given query and chooses the fastest plan amongst those. But it's not possible to calculate...
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By Devrim Gündüz
Amsterdam
Thought it would be good to make everyone aware that PGDay is coming to Amsterdam for the first time on July 12th and I’m delighted to say I will be there helping to host the day, as well as presenting on Write-Ahead Log (WAL). If you want to find out more you can go to this link. The event will be at the Tobacco Theatre in Amsterdam, which also...
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