Skip to content
Certification Guides

CompTIA DataSys+ Study Guide : Exam DS0-001 (2023)

With CompTIA DataSys+ Study Guide : Exam DS0-001 (2023), you�ll have access to a set of high-quality practice exams designed to sharpen your skills.

Preview 16 of 529 pages

See the first 16 pages exactly as they appear in the document.

  1. Page 1
  2. Page 2
  3. Page 3
    Read page 3 as text

    Table of Contents Cover Table of Contents Title Page Copyright Dedication Acknowledgments About the Authors About the Technical Editors Introduction The DataSys+ Exam What Does This Book Cover? Exam DS0-001 Exam Objectives DS0-001 Certification Exam Objective Map How to Contact the Publisher Assessment Test Answers to Assessment Test Chapter 1: Today's Data Systems Professional Data Drives the Modern Business Data Systems Careers in Data Systems Summary Chapter 2: Database Fundamentals Types of Databases Programming and Database Operations Summary Exam Essentials Review Questions

  4. Page 4
    Read page 4 as text

    Chapter 3: SQL and Scripting Flavors of SQL Automating Operations Summary Exam Essentials Review Questions Chapter 4: Database Deployment Planning and Design Implementation, Testing, and Deployment Summary Exam Essentials Review Questions Chapter 5: Database Management and Maintenance Monitoring and Reporting Maintenance Facilitating Operations Data Management Tasks Summary Exam Essentials Review Questions Chapter 6: Governance, Security, and Compliance Data Governance Identity and Access Management Data Security Data Classification Routine Auditing Summary Exam Essentials Review Questions

  5. Page 5
    Read page 5 as text

    Chapter 7: Database Security Database Infrastructure Security Database Attacks Summary Exam Essentials Review Questions Chapter 8: Business Continuity The Nature of Disaster Disaster Recovery Planning Backup and Restore Summary Exam Essentials Review Questions Appendix: Answers to Review Questions Chapter 2: Database Fundamentals Chapter 3: SQL and Scripting Chapter 4: Database Deployment Chapter 5: Database Management and Maintenance Chapter 6: Governance, Security, and Compliance Chapter 7: Database Security Chapter 8: Business Continuity Index End User License Agreement List of Tables Chapter 1 TABLE 1.1 Gigabyte Storage Costs over Time TABLE 1.2 Highest-Demand Occupations Chapter 2

  6. Page 6
    Read page 6 as text

    TABLE 2.1 Customer Data TABLE 2.2 Customer and Address Data TABLE 2.3 Address Data TABLE 2.4 Address Data with Foreign Key Chapter 3 TABLE 3.1 Common Data Types TABLE 3.2 Data Manipulation Language Operations TABLE 3.3 Customer Table TABLE 3.4 Address Data TABLE 3.5 Name and Work Address Result Set TABLE 3.6 LEFT JOIN Name and Address Result Set Chapter 4 TABLE 4.1 Availability Targets TABLE 4.2 Default Database Ports TABLE 4.3 Default Database Ports Chapter 5 TABLE 5.1 Common Database Index Types TABLE 5.2 Effective Date Logic TABLE 5.3 Initial Phone_Type Data Values TABLE 5.4 Initial Phone_Type Data Values Chapter 6 TABLE 6.1 Sample Data Classification Matrix Chapter 8 TABLE 8.1 Business Impact Analysis List of Illustrations

  7. Page 7
    Read page 7 as text

    Chapter 1 FIGURE 1.1 Analytics is made possible by modern data, storage, and computing... FIGURE 1.2 Storage costs have decreased over time. FIGURE 1.3 SQLQuery Chapter 2 FIGURE 2.1 Sample Customer table FIGURE 2.2 Sample Address table FIGURE 2.3 Customer and Address tables FIGURE 2.4 Key-value sample data FIGURE 2.5 JSON document sample data FIGURE 2.6 Data in a graph FIGURE 2.7 Sample data in CSV form FIGURE 2.8 Comparing SQL execution plans Chapter 3 FIGURE 3.1 DDL for sample Customer table FIGURE 3.2 Sample Address table FIGURE 3.3 SQL INSERT syntax FIGURE 3.4 SQL SELECT syntax FIGURE 3.5 SQL UPDATE syntax FIGURE 3.6 SQL DELETE syntax FIGURE 3.7 Two independent sets FIGURE 3.8 Union of two sets FIGURE 3.9 Comparing UNION and UNION ALL result sets FIGURE 3.10 Intersection of two sets FIGURE 3.11 INTERSECT result set

  8. Page 8
    Read page 8 as text

    FIGURE 3.12 Difference between two sets FIGURE 3.13 Differences between sets FIGURE 3.14 TCL example FIGURE 3.15 Illustrating the consistency principle FIGURE 3.16 Before-update trigger example FIGURE 3.17 After-update trigger example FIGURE 3.18 Stored procedure example FIGURE 3.19 Customer data FIGURE 3.20 Custom function FIGURE 3.21 Using a view to restrict access FIGURE 3.22 Using a view to combine data from multiple tables FIGURE 3.23 Employee and Order tables FIGURE 3.24 Server-side and client-side scripts Chapter 4 FIGURE 4.1 Transactional data sources FIGURE 4.2 Analytical data sources FIGURE 4.3 Travel history data FIGURE 4.4 Direct database integration FIGURE 4.5 Centralized database integration FIGURE 4.6 Single database server FIGURE 4.7 Active-active database cluster FIGURE 4.8 Active-passive database cluster FIGURE 4.9 Vertical scaling FIGURE 4.10 Horizontal scaling FIGURE 4.11 Conceptual data model

  9. Page 9
    Read page 9 as text

    FIGURE 4.12 Entity-relationship diagram line terminators FIGURE 4.13 Logical data model FIGURE 4.14 Data in first normal form FIGURE 4.15 Data in second normal form FIGURE 4.16 Data in third normal form FIGURE 4.17 Physical data model FIGURE 4.18 Package history view FIGURE 4.19 Physical data model with package history view FIGURE 4.20 Excerpt of an entity relationship diagram FIGURE 4.21 One-to-one cardinality FIGURE 4.22 Many-to-many cardinality FIGURE 4.23 Resolving a many-to-many relationship FIGURE 4.24 Flat network FIGURE 4.25 Network with public and private subnets FIGURE 4.26 DNS host-name resolution FIGURE 4.27 Border and internal firewalls FIGURE 4.28 Firewall rules for web and database traffic FIGURE 4.29a Range control with referential integrity FIGURE 4.29b Range control with a check constraint FIGURE 4.30a Primary key FIGURE 4.30b Primary key and unique constraint FIGURE 4.31 Queries with and without bind variables FIGURE 4.32a Uncovered query FIGURE 4.32b Covered query Chapter 5 FIGURE 5.1 Database CPU utilization

  10. Page 10
    Read page 10 as text

    FIGURE 5.2 Data load failure notification FIGURE 5.3 Database replication FIGURE 5.4 Deadlocked transactions FIGURE 5.5 Connection pooling FIGURE 5.6 Load-balanced database FIGURE 5.7 Load-balanced application and database FIGURE 5.8 Customer table data dictionary entry FIGURE 5.9 Updated Customer table data dictionary entry FIGURE 5.10a Original Customer entity FIGURE 5.10b Modified Customer entity FIGURE 5.11 Generating DDL from an ERD in Lucidchart FIGURE 5.12 Updating a table definition using Oracle SQL Developer Data Mode... FIGURE 5.13 ALTER TABLE DDL from Oracle SQL Developer Data Modeler FIGURE 5.14a Customer and Customer_Address ERD FIGURE 5.14b Customer and Customer_Address UML classes FIGURE 5.15 Updated Customer table FIGURE 5.16 New Phone and Phone_Type tables FIGURE 5.17 Creating duplicate data FIGURE 5.18 Duplicate resolution process FIGURE 5.19 Data sharing with shared schemas FIGURE 5.20 Data sharing with APIs Chapter 6 FIGURE 6.1 Organizational example FIGURE 6.2 Access roles over time

  11. Page 11
    Read page 11 as text

    FIGURE 6.3 Danger of user-based access FIGURE 6.4 Sample organization chart FIGURE 6.5 Sample user group-based roles FIGURE 6.6 Biometric authentication with a (a) retinal scanner (b) fingerpri... FIGURE 6.7 Authentication token FIGURE 6.8 Creating a password in LastPass FIGURE 6.9 Encrypted network connection FIGURE 6.10 HTTPS padlock FIGURE 6.11 Encrypted ETL process FIGURE 6.12 Data masking ETL process FIGURE 6.13 Re-identification by combining data sets Chapter 7 FIGURE 7.1 Cooling equipment on a data center roof FIGURE 7.2 Network firewalls divide networks into three zones. FIGURE 7.3 Account number input page FIGURE 7.4 Account information page FIGURE 7.5 Account information page after blind SQL injection FIGURE 7.6 A WAF FIGURE 7.7 On-path attack FIGURE 7.8 Windows Defender Antimalware package Chapter 8 FIGURE 8.1 US earthquake risk map FIGURE 8.2 Flood hazard map for Miami–Dade County, Florida

  12. Page 12
    Read page 12 as text

    FIGURE 8.3 Failover cluster with network load balancing

  13. Page 13
  14. Page 14
  15. Page 15
    Read page 15 as text

    CompTIA ® DataSys+ Study Guide Exam DS0-001 Mike Chapple Sharif Nijim

  16. Page 16

513 more pages in the full document

Unlock it once and it stays in your library, ready to chat with or turn into flashcards.

Unlock the full document

More CompTIA Certifications study materials

See all

Study this document with CramX

Once it is in your library, every tool can work from it.