Data lakes Study guides, Class notes & Summaries

Database software is a well thought-out collection of computer files, the most important of which are called tables. These tables that consist of records (rows) of data separated by fields (columns) that can be queried (questioned) to produce subsets of information. What are you looking for in a database? criteria what is the most widely used database software in the world? Oracle What is the most important computer file in a database tables Tables Tables are where a database holds data...

Science Bowl Ultimate Study Guide Earth/Space Exam Questions With Verified And Updated Answers Short Answer Lightning is most likely to occur at what time of day: morning, afternoon, evening, or night? - answerANSWER: AFTERNOON Multiple Choice Which of the following will NOT result from variations in the Moon's orbital plane with respect to the Earth? W) The Moon will continue to cause solar eclipses X) The Moon will pass over the Earth's North Pole Y) There will continue to be luna...

Certified Information Systems Auditor (CISA) Cert Guide 109 Questions with Verified Answers Which of the following best describes a baseline document? a. A PCI industry standard requiring a 15-minute session timeout b. Installation step recommendations from the vendor for an Active Directory server c. A network topography diagram of the Active Directory forest d. Security configuration settings for an Active Directory server - CORRECT ANSWER D. A baseline is correct because it is a platfo...

Lake Ice BIOL 1961, GCE Adapted from Carey et al., 2015 Connections You previously gained an understanding of our Earth’s climate and how it has changed over time. Here we use real, long-term data to explore one way that climate change alters a critical part of lake ecology: winter ice cover. Learning objectives ● Understand how global climate change impacts aquatic ecosystems ● Perform, interpret, and apply a linear regression. This includes considering sources of variation and ...

Observational recordings - ANSWER - should not be altered, erased, or whited-out to make corrections - drawing a single line through it Parts of a lab report - ANSWER 1. title 2. abstract - contain the hypothesis - include a control and one variable 3. introduction 4. methods 5. results 6. conclusion / summation Volumetric flask - ANSWER - used to accurately prepare a specific volume and concentration of solution Erlenmeyer flasks - ANSWER used for mixing, transporting, ...

What is the focal point of Databricks - the Lakehouse will not work without this? Why? - Delta Delta Lake is the core component that makes the Lakehouse work. Enables low latency queries required in the BI space. What is Delta? - - Data Warehouse Capabilities (ACID transactions, Time travel, Schema enforcements) on top of cheap, scalable, open cloud storage What problem does Delta solve? - Data Lake reliability - Corrupted tables from failed jobs - Unable to fix/modify tables (append only...

Big Data Test 1 Exam Questions With Verified Answers Name one of the drivers of Volume in the Big Data Era? - answerScalable infrastructure Value from Big Data can be _______? - answerProfits In the video, 2.5 Quintillion Bytes of data are equivalent to DVDs? - answer10 million How many petabytes make up an exabyte? - answer1024 What is an example of a source of semi-structured big data? - answerJSON files When is it estimated that the date we create and copy will reach around 35 zettabyt...

What is the focal point of Databricks - the Lakehouse will not work without this? Why? Correct Answer Delta Delta Lake is the core component that makes the Lakehouse work. Enables low latency queries required in the BI space. What is Delta? Correct Answer - Data Warehouse Capabilities (ACID transactions, Time travel, Schema enforcements) on top of cheap, scalable, open cloud storage What problem does Delta solve? Correct Answer Data Lake reliability - Corrupted tables from failed jobs ...

What is the access point to the Databricks Lakehouse Platform for machine learning practitioners? - Answer- Databricks Machine Learning What are the primary services that comprise the Databricks Lakehouse Platform? - Answer- Databricks SQL, Databricks Machine Learning, Databricks Data Science and Data Engineering Workspace One of the key features delivered by the Databricks Lakehouse platform is data schema enforcement. What describes data schema enforcement? - Answer- It ensures data qual...

GCSE GEOGRAPHY 8035/2 Paper 2 Challenges in the Human Environment Version: 1.0 Final G/KL/Jun23/E6 8035/2 (JUN) GCSE GEOGRAPHY Paper 2 Challenges in the Human Environment Friday 9 June 2023 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have:  the OS map key insert (enclosed)  a pencil  a rubber  a ruler. You may use a calculator. Instructions  Use black ink or black ball-point pen.  Fill in the boxes at the top of this page. Answe...