What users are saying about
Top Rated
137 Ratings
4 Ratings
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Score 9.2 out of 100
Top Rated
137 Ratings
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Score 8.1 out of 100

Likelihood to Recommend

Db2 Warehouse on Cloud

IBM dashDB's ability to store and provide fast access to data both on-premise and in the cloud makes it best-of-breed when it comes to implementation flexibility. All the while you can have one data solution that pulls data together from Hyperion Planning (Oracle) and Microsoft Dynamics (MM) into the same system as part of an EDW project.
Anonymous | TrustRadius Reviewer

Amazon Redshift

If the number of connections is expected to be low, but the amounts of data are large or projected to grow it is a good solutions especially if there is previous exposure to PostgreSQL. Speaking of Postgres, Redshift is based on several versions old releases of PostgreSQL so the developers would not be able to take advantage of some of the newer SQL language features. The queries need some fine-tuning still, indexing is not provided, but playing with sorting keys becomes necessary. Lastly, there is no notion of the Primary Key in Redshift so the business must be prepared to explain why duplication occurred (must be vigilant for)
Arthur Zubarev | TrustRadius Reviewer

Pros

Db2 Warehouse on Cloud

  • You can size dashDB to your current needs and expand its capability later on as the needed.
  • I like the way dashDB allow for connecting to the cloud that my network engineer to set things up quickly.
  • IBM dashDB's ability to store and provide fast access to data both on-premise and in the cloud makes it a real winner for me.
Anonymous | TrustRadius Reviewer

Amazon Redshift

  • Redshift is fully managed. Small teams do not have the resources to maintain a cluster. CloudWatch metrics are provided out-of-the-box, and it is easy to configure alarms.
  • Redshift's console allows you to easily inspect and manage queries, and manage the performance of the cluster.
  • Redshift is ubiquitous; many products (e.g., ETL services) integrate with it out-of-the-box.
  • Writing .csvs to S3 and querying them through Redshift Spectrum is convenient.
Gavin Hackeling | TrustRadius Reviewer

Cons

Db2 Warehouse on Cloud

  • IBM dashDB could be clearer about the technology used to deliver the particular tier of the service you buy.
  • IBM dashDB can be cost prohibitive for folks needing to push a lot of data from on-premise into the cloud on a regular basis.
  • IBM dashDB is really like three data technologies in one and the sales teams at IBM sometimes can't explain why the MPP tier is better for certain uses over the db2 BLU based tier.
Anonymous | TrustRadius Reviewer

Amazon Redshift

  • It could benefit from adding data integrity and programming tools common to other database management systems.
  • Amazon Redshift is based on PostgreSQL 8.0.2. That version of PostgreSQL was released in December 2006. While PostgreSQL was much improved since then, the new features were not implemented in Redshift. Many basic features are missing from it.
  • Primary keys can be declared but not enforced. Referential integrity (foreign keys) can be declared but not enforced. UNIQUE and CHECK constraints are not supported and cannot be declared.
  • IDENTITY can be declared on a column, and Redshift will put unique values into it. However: IDENTITY values in the newly inserted rows won’t be incremental or sequential. To implement a sequential number, you need to write your own custom code.
  • There are no stored procedures in Redshift. We are writing SQL script files, and then parsing and running them one statement at a time from a Python program. This also enabled us to implement execution-time error logging.
  • In SQL scripts, to check for the row count of affected rows, a complicated join query against some system tables or views has to be executed.
  • Data Control Language (DCL) does not exist. No statements like IF, WHILE, DO, RAISERROR, etc.
  • On performance of views… Views do not “pass-through” a query parameter which is a potential problem for performance.
  • When selecting against a view with the WHERE clause outside of the view, the inner query of the view will be executed first without consideration for the WHERE clause, and only then the WHERE clause will be applied.
  • Certain clauses of SQL work many times faster than other clauses. So be careful and test your statements for performance earlier rather than later, especially if working with a large data set.
  • There was a situation when DELETE FROM JOIN was unacceptably slow. Replacing JOIN with the USING clause made DELETE instantaneous.
Michael Romm | TrustRadius Reviewer

Usability

Db2 Warehouse on Cloud

No score
No answers yet
No answers on this topic

Amazon Redshift

Amazon Redshift 8.5
Based on 8 answers
Just very happy with the product, it fits our needs perfectly. Amazon pioneered the cloud and we have had a positive experience using RedShift. Really cool to be able to see your data housed and to be able to query and perform administrative tasks with ease.
Brendan McKenna | TrustRadius Reviewer

Support Rating

Db2 Warehouse on Cloud

No score
No answers yet
No answers on this topic

Amazon Redshift

Amazon Redshift 7.4
Based on 6 answers
The support was great and helped us in a timely fashion. We did use a lot of online forums as well, but the official documentation was an ongoing one, and it did take more time for us to look through it. We would have probably chosen a competitor product had it not been for the great support
Anonymous | TrustRadius Reviewer

Alternatives Considered

Db2 Warehouse on Cloud

IBM dashDB stacks up well against both on-premise (SQL Server and DB2), but it was a tough choice to go with over AzureDB. Ultimately, the deep discount by IBM led us to go with dashDB with the understanding that we could back out of the technology at a later date.
Anonymous | TrustRadius Reviewer

Amazon Redshift

Than Vertica: Redshift is cheaper and AWS integrated (which was a plus because the whole company was on AWS).
Than BigQuery: Redshift has a standard SQL interface, though recently I heard good things about BigQuery and would try it out again.
Than Hive: Hive is great if you are in the PB+ range, but latencies tend to be much slower than Redshift and it is not suited for ad-hoc applications.
Anonymous | TrustRadius Reviewer

Return on Investment

Db2 Warehouse on Cloud

No answers on this topic

Amazon Redshift

  • Redshift has had a very positive impact on our business. It has been used to provide analytics on marketing campaigns to boost revenue.
  • Redshift is instrumental in our payment collection business processes. It powers everything from who gets called to who gets sent collection emails.
Seth Goldberg | TrustRadius Reviewer

Screenshots

Pricing Details

Db2 Warehouse on Cloud

General

Free Trial
Yes
Free/Freemium Version
Yes
Premium Consulting/Integration Services
Entry-level set up fee?
No

Db2 Warehouse on Cloud Editions & Modules

Edition
dashDB Entry50 / month1
dashDB EnterpriseVaries
dashDB Enterprise MPPVaries
dashDB Entry (Free)$03
  1. Per instance
  2. Up to 50 GB
Additional Pricing Details

Amazon Redshift

General

Free Trial
Free/Freemium Version
Premium Consulting/Integration Services
Entry-level set up fee?
No

Amazon Redshift Editions & Modules

Additional Pricing Details

Add comparison