article thumbnail

Speed up queries with the cost-based optimizer in Amazon Athena

AWS Big Data

Starting today, the Athena SQL engine uses a cost-based optimizer (CBO), a new feature that uses table and column statistics stored in the AWS Glue Data Catalog as part of the table’s metadata. Let’s discuss some of the cost-based optimization techniques that contributed to improved query performance.

article thumbnail

Simplify data ingestion from Amazon S3 to Amazon Redshift using auto-copy

AWS Big Data

Now upload the files for transaction sold on 2002-12-31. Let’s run a query to get the daily total of sales transactions across all the stores in the US: SELECT ss_sold_date_sk, count(1) FROM store_sales GROUP BY ss_sold_date_sk; The output shown comes from the transactions sold on 2002-12-31.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

12 Cloud Computing Risks & Challenges Businesses Are Facing In These Days

datapine

Luckily there are several ways to keep cloud costs in check , for example, optimizing costs by conducting better financial analytics and reporting, automating policies for ruling, or keeping the management reporting practice on the course, so that these issues in computing could be decreased. Governance/Control.

Risk 237
article thumbnail

Strengthening the ICT Foundation in the Asia-Pacific Region and Embracing the Digital Future

CIO Business Intelligence

Operators not only have many successful experiences in digital transformation, optimizing income structures, and enhancing revenue, they also have been strategically investing in ICT infrastructure alongside the Chinese government, building high-quality ICT infrastructure and nurturing new productivity. Simon joined Huawei in 2002.

article thumbnail

The end of digital transformation and the rise of business model innovation

CIO Business Intelligence

Following the unprecedented proliferation of genAI with the launch of OpenAI’s ChatGPT in 2002, executives were forced to reckon with the effectiveness of digital transformation to date. Reimagine outcomes beyond optimizing the task at hand or yesterday’s work. Find your trusted partners.

article thumbnail

3 certification tips for IT leaders looking to get ahead

CIO Business Intelligence

Functions such as sales and marketing have all undergone a significant change, as has the technology needed for them to perform optimally. Mehta earned a Certified Information Security Auditor certification in 2002 when, he says, “there were only 1,600 such certified professionals globally.”

Insurance 122
article thumbnail

Top 10 governance, risk, and compliance certifications

CIO Business Intelligence

The exam covers five domains: framework for the governance of enterprise IT, strategic management, benefits realization, risk optimization, and resource optimization. Why are GRC certifications important? Since the program started, more than 7,000 individuals have achieved the CGEIT credential through ISACA.

Risk 119