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In-memory OLTP storage with persistence and transaction supportAlexander Korotkov
Nowadays it becomes evident that single storage engine can't be "one size fits all". PostgreSQL community starts its movement towards pluggable storages. Significant restriction which is imposed in the current approach is compatibility. We consider pluggable storages to be compatible with (at least some) existing index access methods. That means we've long way to go, because we have to extend our index AMs before we can add corresponding features in the pluggable storages themselves.
In this talk we would like look this problem from another angle, and see what can we achieve if we try to make storage completely from scratch (using FDW interface for prototyping). Thus, we would show you a prototype of in-memory OLTP storage with transaction support and snapshot isolation. Internally it's implemented as index-organized table (B-tree) with undo log and optional persistence. That means it's quite different from what we have in PostgreSQL now.
The proved by benchmarks advantages of this in-memory storage are: better multicore scalability (thanks to no buffer manager), reduced bloat (thanks to undo log) and optimized IO (thank to logical WAL logging).
In-memory OLTP storage with persistence and transaction supportAlexander Korotkov
Nowadays it becomes evident that single storage engine can't be "one size fits all". PostgreSQL community starts its movement towards pluggable storages. Significant restriction which is imposed in the current approach is compatibility. We consider pluggable storages to be compatible with (at least some) existing index access methods. That means we've long way to go, because we have to extend our index AMs before we can add corresponding features in the pluggable storages themselves.
In this talk we would like look this problem from another angle, and see what can we achieve if we try to make storage completely from scratch (using FDW interface for prototyping). Thus, we would show you a prototype of in-memory OLTP storage with transaction support and snapshot isolation. Internally it's implemented as index-organized table (B-tree) with undo log and optional persistence. That means it's quite different from what we have in PostgreSQL now.
The proved by benchmarks advantages of this in-memory storage are: better multicore scalability (thanks to no buffer manager), reduced bloat (thanks to undo log) and optimized IO (thank to logical WAL logging).
This presentation about Data Warehouse modernization and extending it to the modern data platform by adding Big Data solution using EMR and Spark and streaming data with Kinesis Firehose. In addition, it will cover the use case of complimentory data lake for data warehouse. Moreover, this presentation include ETL tool selection process and ML consideration.
SQL202.1 Accelerated Introduction to SQL Using SQL Server Module 1Dan D'Urso
SQL202 Accelerated Introduction to SQL Using Microsoft SQL Server Module 1. Covers relational database concepts, basic select statements, filtering results, special operators, wildcards, sorting, removing duplicates and selecting the top values.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
This presentation about Data Warehouse modernization and extending it to the modern data platform by adding Big Data solution using EMR and Spark and streaming data with Kinesis Firehose. In addition, it will cover the use case of complimentory data lake for data warehouse. Moreover, this presentation include ETL tool selection process and ML consideration.
SQL202.1 Accelerated Introduction to SQL Using SQL Server Module 1Dan D'Urso
SQL202 Accelerated Introduction to SQL Using Microsoft SQL Server Module 1. Covers relational database concepts, basic select statements, filtering results, special operators, wildcards, sorting, removing duplicates and selecting the top values.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
The Indian economy is classified into different sectors to simplify the analysis and understanding of economic activities. For Class 10, it's essential to grasp the sectors of the Indian economy, understand their characteristics, and recognize their importance. This guide will provide detailed notes on the Sectors of the Indian Economy Class 10, using specific long-tail keywords to enhance comprehension.
For more information, visit-www.vavaclasses.com
How to Create Map Views in the Odoo 17 ERPCeline George
The map views are useful for providing a geographical representation of data. They allow users to visualize and analyze the data in a more intuitive manner.
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Ethnobotany and Ethnopharmacology:
Ethnobotany in herbal drug evaluation,
Impact of Ethnobotany in traditional medicine,
New development in herbals,
Bio-prospecting tools for drug discovery,
Role of Ethnopharmacology in drug evaluation,
Reverse Pharmacology.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
1. ETL TESTING COURSE CONTENT
DataWare Housing Concepts:
What is Data Ware House?
Difference between OLTP and DataWare Housing
Data Acquisition
Data Extraction
Data Transformation
Data Loading
Data Marts
Dependent Data Mart
Independent Data Mart
Data Base Design
Star Schema
Snow Flake Schema
Fact constellation Schema
SCD(slowly changing dimension)
Type-1 SCD
Type-2 SCD
Type-3 SCD
Basic Concepts in SQL
Overview of ETL Tool Architecture
White Box and Black BOX Testing Functionality on Different Transformation Rules
Data Ware House Life Cycle
Different Types of Testing Techniques in ETL
Minus Queing
Count Queing
ETL Testing Concepts
Introduction
What is use of testing
What is quality & standards
Responsibilities of a ETL Tester
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INDIA Trainingicon USA
Phone: +91-966-690-0051 Email: info@trainingicon.com | www.trainingicon.com Phone: +1-408-791-8864
2. Software development life cycle
Waterfall model
V-model
Agile model & methodology
Prototype model
Spiral model
Testing methodologies
White box testing
Black box testing
Grey box testing
ETL Testing Work Flow Process
How to Prepare the ETL Test Plan
How to design the Test cases in ETL Testing.
How to reporting the Bugs in ETL Testing ?
ETL Testing Responsibilities in DataStage, Informatica, Abinitio etc;
How to detect the bugs through database queries
ETL Performing Testing & Performing Tuning
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INDIA Trainingicon USA
Phone: +91-966-690-0051 Email: info@trainingicon.com | www.trainingicon.com Phone: +1-408-791-8864