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Sybex's Study Guide for Snowflake SnowPro Core Certification
COF-C02 Exam
Hamid Mahmood Qureshi (Author)
9781119824442, Wiley
Paperback / softback, published 19 December 2022
288 pages
23.4 x 18.5 x 2.3 cm, 0.386 kg
Prepare smarter, faster, and better with the premier study guide for Snowflake SnowPro Core certification Snowflake, a cloud-based data warehousing platform, has steadily gained popularity since its 2014 launch. Snowflake offers several certification exams, of which the SnowPro Core certification is the foundational exam. The SnowPro Core Certification validates an individual's grasp of Snowflake as a cloud data warehouse, its architectural fundamentals, and the ability to design, implement, and maintain secure, scalable Snowflake systems. Sybex’s Study Guide for Snowflake SnowPro Certification delivers comprehensive coverage of every relevant exam topic on the Snowflake SnowPro Core Certification test. Prepare efficiently and effectively for the exam with online practice tests and flashcards, a digital glossary, and concise and easy-to-follow instruction from the subject-matter experts at Sybex. You'll gain the necessary knowledge to help you succeed in the exam and will be able to apply the acquired practical skills to real-world Snowflake solutions. This Study Guide includes: Perfect for anyone considering a new career in cloud-based data warehouse solutions and related fields, Sybex’s Study Guide for Snowflake SnowPro Certification is also a must-read for veteran database professionals seeking an understanding of one of the newest and fastest-growing niches in data.
Introduction xxi Assessment Test xxxiii Answers to Assessment Test xxxviii Chapter 1: Introduction and Overview 1 Introducing Snowflake 2 Snowflake Journey 3 Snowflake Certifications 3 Signing Up for a Snowflake Trial 5 Summary 13 Exam Essentials 14 Review Questions 15 Chapter 2: Snowflake Architecture 17 Traditional Database Architectures 18 Snowflake’s Hybrid Architecture 19 The Three Layers of Snowflake Architecture 20 The Database Storage Layer: Micro-Partitions and Clustering 22 The Query Processing Layer: The Concept of a Virtual Warehouse 26 Configuring a Virtual Warehouse 30 Summary 32 Exam Essentials 33 Review Questions 34 Chapter 3: Interfaces and Connectivity 39 Snowflake Web UI 40 Web Interface Components 41 Snowflake Partners 46 Snowflake Connectors and Drivers 46 User Defined Functions 47 SnowSQL 47 New Snowflake Web Interface 50 Summary 53 Exam Essentials 53 Review Questions 54 Chapter 4: Loading Data 57 Data Loading in Snowflake 59 Supported File Formats for Loading Data 60 Compression 60 Encryption 60 What Is a Stage? 61 External Stage 62 Internal Stages 62 Data Loading via Internal Stages 64 Loading On-premises Data via the Table Stage 64 Loading On-premises Data via the User Stage 67 Loading On-premises Data via the Named Internal Stage 70 Data Ingestion Using the Named External Stage 73 Loading Data from Cloud Storage via the External Stage 74 Loading Data via the Snowflake Web UI 75 Basic Data Transformations While Ingesting 77 External Tables 79 Semi-Structured Data 81 The VARIANT Data Type and Semi-Structured Data 81 Loading NDJSON Data 82 Loading JSON Data 85 Unloading Data from Snowflake 88 File Formats Supported for Unloading 89 Compression 89 Encryption 90 Unload Data to an On-premises System via an Internal Stage 90 Load Near-Real- Time Streaming Data 91 How Snowpipe Works 92 Optimizing Data Loading and Unloading 93 Bulk Load Optimization 93 Optimizing Snowpipe Loads 93 Optimizing Data Unloading 93 Summary 94 Exam Essentials 94 Review Questions 95 Chapter 5 Data Pipelines 99 Introducing Tasks 100 Scheduling a Task 100 Connecting Multiple Tasks in a Task Tree 104 User-Managed and Serverless Tasks 107 Introducing Streams 110 Capture Changes Using Streams 110 Summary 114 Exam Essentials 114 Review Questions 115 Chapter 6 Continuous Data Protection 117 Components of Continuous Data Protection 118 Data Encryption 118 Access Control 118 Network Policies 119 Time Travel 119 Fail-safe 119 Time Travel and Fail-safe 119 Time Travel in Action 122 Undrop Using Time Travel 127 Time Travel and Fail-Safe Storage Costs 128 Temporary Tables 129 Transient Tables 129 Summary 129 Exam Essentials 130 Review Questions 131 Chapter 7 Cloning and Data Sharing 133 Zero-Copy Cloning 134 How Zero-Copy Cloning Works 135 Database, Schema, and Table Cloning 138 Cloning with Time Travel 142 Secure Data Sharing in Snowflake 143 Direct Sharing 144 Snowflake Data Marketplace 150 Data Exchange 151 Summary 152 Exam Essentials 152 Review Questions 154 Chapter 8 Performance 157 Snowflake Performance Considerations 158 Virtual Warehouse Configuration 160 Virtual Warehouse Scaling Up and Down 160 Scaling Out Using Multi-cluster Virtual Warehouses 161 Caching in Snowflake 164 Metadata Cache 165 Query Result Cache 166 Virtual Warehouse Cache 167 Micro-partition Pruning 168 Micro-partitions and Data Clustering 169 What Happens Behind the Scenes 169 Clustering Keys 170 Search Optimization 171 Materialized Views 171 Summary 172 Exam Essentials 173 Review Questions 175 Chapter 9 Security 179 Data Encryption at Rest 180 Key Rotation and Rekeying 181 Tri-Secret Secure 181 Authentication 181 Multifactor Authentication (MFA) 181 Key Pair Authentication 183 SSO via SAML 2.0 Federated Authentication 183 Password Policies 183 User Provisioning Through SCIM 184 Authorization 184 Access Control in Snowflake 185 Column-Level Security 188 Row-Level Security 188 Secure Views and Secure UDFs 189 User Access Audit Log 189 Network 189 Network Policies 189 Support for Private Connectivity 190 Encryption for All Communication 190 Compliance with Standards 190 Summary 191 Exam Essentials 192 Review Questions 194 Chapter 10 Account and Resource Management 197 Resource Monitors 198 System Usage and Billing 205 The ACCOUNT_USAGE Schema 206 The INFORMATION_SCHEMA Schema 209 Snowflake Releases 214 Phased Release Process for Full Releases 214 Summary 214 Exam Essentials 215 Review Questions 216 Appendix Answers to the Review Questions 219 Chapter 1: Introduction and Overview 220 Chapter 2: Snowflake Architecture 220 Chapter 3: Interfaces and Connectivity 222 Chapter 4: Loading Data 224 Chapter 5: Data Pipelines 226 Chapter 6: Continuous Data Protection 226 Chapter 7: Cloning and Data Sharing 227 Chapter 8: Performance 229 Chapter 9: Security 231 Chapter 10: Account and Resource Management 232 Index 235
Subject Areas: Education [JN]
