Tag: Table

Feed: AWS Partner Network (APN) Blog. Author: Chaitanya Varma Mudundi. By Chaitanya Varma Mudundi, Professional Services Big Data Engineer – Rackspace Rackspace Data-driven decision making is accelerating and defining the way organizations work. With this transformation, there has been a rapid adoption of data lakes across the industry. To fuel this transformation, data lakes have evolved over the last decade. Apache Hive is a standard for data lakes, but while Apache Hive can solve some of the issues with the processing of data, it falls short at a few other objectives for next-generation data processing. In this post, I will ... Read More

Feed: Planet PostgreSQL. Let’s go into details: tableoid The tableoid is the OID from the table where the row is originally coming from. In a simple table, this is just the OID of the table itself. oid=# CREATE TABLE show_oid (id INT); CREATE TABLE oid=# SELECT 'public.show_oid'::regclass::oid; oid ------- 79824 (1 row) oid=# INSERT INTO show_oid VALUES (1), (2); INSERT 0 2 oid=# SELECT tableoid, id FROM show_oid; tableoid | id ----------+---- 79824 | 1 79824 | 2 (2 rows) All rows are coming from the table with the oid = 79824. This changes once partitioning is ... Read More

Feed: Recent Announcements. Amazon QuickSight launches custom subtotals at all levels on Pivot Table. QuickSight authors can now customize how subtotals are displayed in Pivot Table, with options to display subtotals for last level, all levels or selected level. This customization is available for both rows and columns. To learn more about custom subtotals, see here. Additionally, Amazon QuickSight introduces ability to show/hide columns for Pivot Table. QuickSight authors can now hide column, row and value fields in Pivot Table similar to that of Table to support advanced analysis use cases from the fields well context menu. Using the show/hide ... Read More

Feed: Planet MySQL; Author: Frederic Descamps; Full table scans can be problematic for performance. Certainly if the scanned tables are large. The worst case is when full table scans are involved in joins and particularly when the scanned table is not the first one (this was dramatic before MySQL 8.0 as Block Nested Loop was used) ! A full table scans means that MySQL was not able to use an index (no index or no filters using it). Effects When Full Table Scans happen (depending of the size of course), a lot of data gets pulled into the Buffer Pool ... Read More

Feed: Recent Announcements. Using the show/hide column feature, authors can hide unwanted columns which are often used for custom actions for interactivity and provide a better visual presentation. The newly added context menu options provides readers the ability to export both visible and hidden data fields to Excel and CSV which can be controlled by the authors with the new advance publishing option. This feature release provides a consistent experience of exporting options across both tables and pivot table visuals. For further details, visit here ... Read More

Feed: Recent Announcements. Now, you can optimize the costs of your DynamoDB workloads based on your tables’ storage requirements and data access patterns. The new DynamoDB Standard-IA table class offers 60 percent lower storage costs than the existing DynamoDB Standard tables, making it the most cost-effective option for tables with storage as the dominant table cost. The existing DynamoDB Standard table class offers 20 percent lower throughput costs than the DynamoDB Standard-IA table class. DynamoDB Standard remains your default table class and the most cost-effective option for the wider variety of tables that store frequently accessed data with throughput as ... Read More

Feed: Recent Announcements. Amazon Keyspaces helps you run Cassandra workloads more easily by using a fully managed and serverless database service. With Amazon Keyspaces, you don’t need to provision storage upfront and you pay for only the storage that you use. Now, you can use the BillableTableSizeInBytes CloudWatch metric to monitor and track your table storage costs over time. The BillableTableSizeInBytes metric provides the billable storage size of a table by summing up the encoded size of all the rows in the table ... Read More

Feed: Recent Announcements. Authors can also alter row height by dragging the edge of row headers and cells, on tables and pivots which will also be reflected in the format pane. With these changes we will have consistency between row and column interactions and improved user experience. For more details, visit here ... Read More

Feed: Recent Announcements. Amazon DynamoDB Standard-Infrequent Access (DynamoDB Standard-IA) table class is now available in the AWS Asia Pacific (Jakarta) Region. The DynamoDB Standard-IA table class is ideal for use cases that require long-term storage of data that is infrequently accessed, such as application logs, social media posts, e-commerce order history, and past gaming achievements. Now, you can optimize the costs of your DynamoDB workloads based on your tables’ storage requirements and data access patterns. The new DynamoDB Standard-IA table class offers 60 percent lower storage cost than the existing DynamoDB Standard tables, making it the most cost-effective option for ... Read More

Feed: R-bloggers. Author: RStudio | Open source & professional software for data science teams on RStudio. Tables are an excellent way to organize your data, whether the medium is an R Markdown document, poster, or a Shiny app. We’ve collected many community contributions that shine in this regard and they are showcased in the new RStudio Community Table Gallery. We’re starting off by featuring over 30 different tables. They use a multitude of table packages such as {DT}, {reactable}, and {gt}. Some are interactive, others are static, all are excellent. Each entry shows the finished product and always includes a ... Read More