All Episodes
Displaying 21 - 40 of 70 in total
Episode 22 — Design Schemas With Intent: Logical, Physical, and View-Level Perspectives
This episode teaches schema design as a layered discipline, which is essential for DS0-001 because many questions describe problems that are really mismatches between ...
Episode 23 — Map Data Sources and Specifications: Inputs, Interfaces, Formats, and Assumptions
This episode focuses on mapping data sources and specifications so you can prevent bad inputs from becoming permanent data quality problems, a theme that shows up in D...
Episode 24 — Build Durable Documentation: Data Dictionaries, ER Diagrams, and Cardinality
This episode teaches durable documentation as a practical operational control that improves troubleshooting speed, reduces security mistakes, and supports consistent c...
Episode 25 — Prepare Deployment Assets Correctly: Licensing, Capacity, Networking, and Access
This episode covers deployment preparation assets that determine whether an installation succeeds cleanly or becomes a recurring operational headache, which is exactly...
Episode 26 — Execute Installation Phases Cleanly: Provisioning, Upgrades, Imports, and Validation
This episode walks through installation phases as a repeatable operational sequence so you can answer DS0-001 questions that test “what should you do next” during prov...
Episode 27 — Establish Connectivity Correctly: Server Location, DNS, Client Paths, and Routing
This episode teaches connectivity as a chain of dependencies, which matters for DS0-001 because many “database is down” prompts are really failures in name resolution,...
Episode 28 — Make Network Controls Work: Firewalls, Perimeter Networks, Segmentation, and Ports
This episode focuses on network controls that protect databases while still allowing required functionality, a balance DS0-001 often tests through scenario wording abo...
Episode 29 — Validate Database Structure Early: Columns, Tables, Relationships, and Constraints
This episode teaches structure validation as a front-loaded quality and security practice, because DS0-001 frequently tests whether you validate the shape of the datab...
Episode 30 — Verify Code Execution Against Requirements: Syntax, Logic, and Error Handling
This episode focuses on verifying database code execution against requirements, which DS0-001 tests through stored procedure behavior, migration scripts, query correct...
Episode 31 — Stress Test Real Workloads: Stored Procedures, Applications, and Peak Demand
This episode teaches workload stress testing as an operational discipline that proves a database can survive real usage patterns, not just synthetic benchmarks, which ...
Episode 32 — Configure Alerts That Matter: Thresholds, Notifications, and Actionable Signals
This episode explains how to configure database alerts that are actionable rather than noisy, because DS0-001 often tests whether you can distinguish “interesting tele...
Episode 33 — Control Change Without Drama: Versioning, Rollback Plans, and Regression Testing
This episode teaches change control as the difference between planned improvement and accidental outage, a theme DS0-001 repeatedly tests through upgrade, migration, a...
Episode 34 — Validate Deployment Results: Indexing, Mapping, Integrity, and Scalability Checks
This episode focuses on post-deployment validation steps that confirm a change is actually successful, because DS0-001 scenarios often hinge on what you verify after a...
Episode 35 — Monitor What Keeps Databases Alive: Baselines, Throughput, Latency, and Utilization
This episode teaches monitoring as an evidence-driven practice built on baselines, which DS0-001 expects you to apply when deciding whether a system is healthy, degrad...
Episode 36 — Read Operational Evidence: Logs, Deadlocks, Sessions, and Connection Failures
This episode teaches you how to read operational evidence like a DBA, because DS0-001 questions often provide partial artifacts—log excerpts, error codes, session stat...
Episode 37 — Tune Queries Methodically: Explain Plans, Hot Paths, and Targeted Fixes
This episode focuses on query tuning as a repeatable method rather than guess-and-check, which DS0-001 rewards when it asks you to choose the best corrective action un...
Episode 38 — Optimize Indexes Intelligently: Selection, Rebuilds, Fragmentation, and Statistics
This episode teaches index optimization as a balance of read performance, write cost, and maintenance overhead, which aligns directly to DS0-001 questions about perfor...
Episode 39 — Patch Without Breaking Things: Updates, Security Fixes, Compatibility, and Rollback
This episode explains patching as a controlled risk management process, not a routine click-through, which DS0-001 tests through scenarios involving security fixes, ou...
Episode 40 — Prove Data Integrity Under Pressure: Checks, Locking, Corruption, and Recovery Steps
This episode teaches how to prove and restore data integrity during stressful events, which DS0-001 often tests through prompts about corruption, inconsistent results,...
Episode 41 — Manage Authentication Cleanly: Accounts, Roles, Policies, and Strong Defaults
This episode explains database authentication as a control plane that must balance usability, auditability, and security, which DS0-001 frequently tests through scenar...