Ievgen Krasovytskyi
Head of Marketing
Ievgen Krasovytskyi is the Head of Marketing at OWOX, leading strategy across content, SEO, product marketing, and AI-powered automation. With deep expertise in analytics infrastructure, data warehouses, and marketing technology, he builds systems that connect marketing performance to business outcomes. Ievgen writes about SaaS growth, analytics workflows, and the future of AI in marketing operations.
- 8 Data Modeling Mistakes and How to Avoid Them
- 7 Free UTM Builders for Campaign Tracking
- What is Data Modeling? Process, Types and Techniques
- Primary and Foreign Keys in SQL: What Your Warehouse Actually Enforces
- BigQuery Aggregate Functions: COUNT, SUM, STRING_AGG, ARRAY_AGG and More
- BigQuery SQL Style and Best Practices: A Short, Tested Standard
- How to Create a View in BigQuery: CREATE VIEW, Cost and Limits
- BigQuery CTE: WITH Clauses and Recursive CTEs, with Tested Examples
- BigQuery IAM Roles: Which One to Grant, and How to Share a Dataset
- BigQuery JSON Functions: The JSON Type, JSON_SET, JSON_REMOVE and More
- BigQuery JSON Arrays and Objects: JSON_QUERY_ARRAY, UNNEST and JSON_OBJECT
- BigQuery Materialized Views: When They Help, Limits and Refresh
- BigQuery Geography Functions: Points, Distances, Polygons and BigQuery ML
- BigQuery Public Datasets: How to Find, Query and Pay for Them
- BigQuery Table Explorer and Data Insights: What Changed, and the SQL to Profile a Table Yourself
- BigQuery Time Travel: FOR SYSTEM_TIME AS OF, the Window and Examples
- BigQuery Export to CSV: Query Results, Tables, Sheets and Excel
- GA4 BigQuery Dashboard in Data Studio: A Flat Daily Table, Not events_*
- GA4 BigQuery Export Mistakes: Nine That Change Your Numbers, and the Fix for Each
- How to Query GA4 Event Data in BigQuery: Sessions, Sources and Revenue
- How to Choose a Data Warehouse: BigQuery, Snowflake, Redshift, Athena and Databricks Compared
- Data Lakehouse Architecture: The Layers, Open Table Formats and How to Build One
- Data Lakehouse Use Cases: Real Examples and When You Need One
- Data Warehouse Implementation: The Steps and How to Know Each One is Done
- AI Hallucinating SQL: What It Looks Like and How to Catch It
- Trace an AI Answer to Its SQL: From Number to Source Table
- AI-Ready Marketing Analytics Data: What an AI Needs from Your Ad Data
- How to Align Marketing, Sales and Analytics Teams on the Same Metrics
- Augmented Analytics: What It is, Use Cases and Examples, and Where It Fails
- Connect BigQuery to Claude: Setup, Audit Trail, Checks
- How to Build a Marketing Attribution Model in BigQuery
- The Data Analysis Process: 4 Stages from Question to Delivered Insight
- What is Data Freshness? How to Measure It and How Fresh a Decision Needs
- Data Lineage: How to Trace a Number Back to Its Source
- Using ChatGPT to Write SQL for Your Reports: Six Steps and a Check
- How to Use Marketing Mix Modeling to Increase ROI
- MCP and Your Data Warehouse: Where Cross-Tool Joins Belong
- What is the ROPO Effect and How to Measure It
- Data Analytics Challenges: What They Look Like and What to Fix First
- What is Cohort Analysis: How to Build and Read a Cohort Report
- What is Data Analytics? How Data Becomes an Insight You Can Trust
- Snowflake vs BigQuery: A Detailed Comparison
- Data Quality Checks on Every Data Mart: Prove the Number Before Anyone Asks
- Can You Trust AI with Your Business Numbers?
- Clinic Network Data Model: Tables, Keys and One Definition per Metric
- Cohort Retention Analysis in SQL: Four Choices That Change the Number
- Subscription E-Commerce Data Model: Tables, Keys and One Definition per Metric
- How to Build a Governed Data Mart Library: Start with the Numbers People Argue About
- Joined Data Marts in Google Sheets: One Report from Several Tables, No VLOOKUP Chains
- Marketing Analytics Data Model: What to Ask Your Analyst for
- RAG Over Your Warehouse Metadata is a Trap: Describe the Schema Instead
- Why Your Scheduled Refresh Keeps Wiping Google Sheets Formulas (and How to Fix It)
- The Forwardable Business Case for Governed Self-Service Analytics
- Text-to-SQL Accuracy: What a Benchmark Score Tells You About Your Own Warehouse
- Vibe Coding Dashboards: Why Teams Do It and How to Do It Right
- Governed AI Analytics on Snowflake: Who Writes the SQL When Finance Asks
- Board Pack Numbers You Can Defend: What the Audit Covers and What It Doesn't
- The FP&A Data Model: The Tables and Keys Behind Actuals, Budget and Forecast
- Do You Need a Semantic Layer? Data Model vs Data Mart vs the Layer
- Why Sales, Marketing and Finance Report Different Pipeline Numbers
- Everyone in the Meeting Has a Different Number: How to Get One Source of Truth
- Governed AI Analytics on BigQuery: Who Writes the SQL When Your Team Asks in Chat
- AI Data Analyst Tools You Can Trust: An Honest Comparison
- Semantic Layer for AI Agents: Do You Need One, or Do You Already Have It?
- GDPR Compliance with GA4 Consent Mode
- How to Connect BigQuery to Looker Studio and Automate Reports
- BigQuery Schema: How to Specify, View and Change It
- How to Connect Google Sheets to BigQuery: Three Ways
- Business Reporting with Data Marts: What a Data Mart is and How OWOX Uses It
- GA4 Default Channel Group: The Rules, and How to Build Your Own
- Conceptual Data Model: Definition, Four Examples and How to Build One
- Data Sampling in Google Analytics 4: Limits and How to Avoid It
- 10 Free Database Diagram Tools, Compared by What They Give You Back
- GA4 BigQuery Export Data Model: From Raw Events to Tables You Can Report on
- GA4 Data API Limits and Quotas, and When to Use BigQuery
- BigQuery Functions: A Map of the Families, with Examples
- How to Connect Your CRM with Google Analytics 4
- Logical vs Physical Data Model: The Differences, with One Example in Both
- How to Normalize Ad Spend Across Currencies in Google Sheets
- What (Not Set) Means in Google Analytics 4 and How to Fix It
- Object-Oriented Data Model: Definition, Example, Pros and Cons
- TOF, MOF, BOF: Marketing Funnel Stages and Metrics Explained
- How to Restore a Deleted Table in BigQuery, and Back It up
- What is a Semantic Data Model? Definition, Example and Upkeep
- Snowflake Schema: Definition, Diagram, Example and When to Use It
- Star Schema: Definition, Diagram and a Worked SQL Example
- Types of Data Models: The Three Levels and Seven Structures, with Examples
- BigQuery Conversion Functions: Every Type-to-Type Conversion
- What is Google BigQuery: How It Works, Costs and Where to Start
- BigQuery JSON Functions: JSON_VALUE, JSON_QUERY, PARSE_JSON
- BigQuery Query History: Find, Query and Audit Past Jobs
- How to Connect BigQuery to Google Sheets: Three Ways
- COALESCE in BigQuery: Syntax, Examples and Common Mistakes
- How to Connect GA4 to BigQuery: Setup, Limits and First Queries
- Google Search Console to BigQuery: Bulk Export Setup and SQL
- How to Load Data into BigQuery: Every Method and When to Use It
- 7 Google Sheets Features Every Marketer Should Know
- Pivot Tables and Charts in Google Sheets: From a Raw Table to a Report
- Automate Snowflake Reports in Google Sheets with OWOX Data Marts
- AWS Athena 101: Serverless SQL on S3 Explained
- How to Connect Facebook Ads to Databricks, Step by Step
- How to Connect Google Ads to Databricks, Step by Step
- Databricks Pricing Explained: DBU Rates, Compute Types and What Drives Your Bill
- How to Connect Databricks to Google Sheets, Without CSV Exports
- Best Marketing Analytics Tools in 2026: Free and Open-Source First
- Why We Built Free Data Connectors for Analysts
- Why Open-Source Analytics is the Future for Analysts
- How to Load Google Ads Data into Snowflake with OWOX Data Marts
- How to Connect LinkedIn Ads to Databricks, Step by Step
- How to Connect TikTok Ads to Databricks, Step by Step
- How to Load LinkedIn Ads Data into Snowflake with OWOX Data Marts
- OWOX Data Marts vs Airbyte for Snowflake: What Each One Does
- OWOX Data Marts vs Supermetrics vs Airbyte: Which One Fits Your Marketing Data
- How to Load Reddit Ads Data into Snowflake with OWOX Data Marts
- SaaS vs Open Source for Data Connectivity: How to Choose
- How to Load Shopify Data into Snowflake with OWOX Data Marts
- Snowflake Pricing Explained: Credits, Warehouse Sizes and Storage Costs
- How to Turn Snowflake into a Self-Service Marketing Analytics Engine
- Best Marketing Attribution Software in 2026: Seven Tools Compared
- What is Databricks and How Does It Work?
- CRM and Digital Marketing Data Integration: A Practical Guide
- How to Connect Facebook Ads to Google Sheets with OWOX Data Marts
- How to Build a Unified Ad Report in Google Sheets with OWOX Data Marts
- Data Mart vs Dashboard vs Chatbots: Which Analytics Architecture Actually Wins?
- Forex & CFD Broker Data Model: Free Template
- Vibe Analytics is a Hallucination Machine
- Warehouse-First Analytics: Escape Data Vendor Lock-in
- Why AI Gives Different Answers to the Same Data Question
- Governed Self-Service Analytics: Fix the Real Bottleneck
- Delegate Data Tasks: Hand Your Team a Live Google Sheet
- Governed AI Analytics: Hallucination-Free Business Numbers
- Own Your Data Warehouse: Avoid Analytics Vendor Lock-in
- Why Dashboards Fail: Adoption is a Geography Problem
- Best Data Modeling Tools in 2026
- AI ROI the Board Can Trust: Governed, Auditable Analytics
- Ask Your Business Data in Your AI Chat
- Conflicting Numbers in Reports: Why They Never Match
- Data Governance for AI Rollout: Win Over Your Analyst
- Governed MCP Analytics: How It Works, Step by Step
- Data Team Bottleneck: The Queue Costing You Decisions
- Best Free ERD Tools in 2026
- OKF vs dbt Exposures vs LookML: Data Model Specs
- OWOX Model Canvas vs dbdiagram.io: Free ERD Tools
- OWOX Model Canvas vs DrawSQL: ERD Tools Compared
- OWOX Model Canvas vs Lucidchart for ERDs
- Bitcoin Data Model: The Public BigQuery Dataset
- CEO Self-Serve Analytics: Fire the Weekly Report
- E-Commerce Data Model: A Free, Editable Template
- Fintech Data Model: Free Neobank & Lending Template
- Healthcare Data Model: Free Analytics Template
- Marketing Data Model: Free Lead-Gen Funnel Template
- Marketplace Data Model: A Free Two-Sided Template
- Mobile Game Data Model: Free Analytics Template
- Stack Overflow Data Model: BigQuery Template
- Free Data Model Templates You Can Open and Edit
- The OKF Ecosystem: Every Open-Source Tool for Google's OKF (2026)
- SaaS Data Model: A Free Subscription Template
- AI Analytics Agents Replace Your Backlog, Not Your Analyst
- Reporting Analyst Skills from 1,438 Real Job Postings
- What is OKF? Google's Open Knowledge Format, Explained
- Business Dashboards: Real-Life Examples and Use Cases
- 5 Signs Your Marketing Reports are Misleading You
- Data Mart Design: Steps, a Sales Example and Flat Tables
- Freshness SLAs vs Real-Time Data Explained
- Fix Your Marketing Reporting: Strategy Over Tools
- Reporting vs Analytics: Why Dashboards Fall Short
- Trusted Metrics Layer for Marketing Teams
- Unifying Ad Spend and CRM Data for Accurate CAC
- Why Self-Service Reporting Fails (and How to Fix It)
- The Anatomy of a Perfect Marketing Analytics Stack
- Marketing Reporting Nobody Can Argue with
- Kill the Reporting Backlog Without Hiring Another Analyst
- AI Analytics Team: Replace Your Backlog, Not Your People
- Self-Service Analytics Doesn't Exist. Here's What Works
- An Analyst’s Guide to Handling Ad-Hoc Requests
- Slowly Changing Dimensions Types Explained for Data Warehouses
- Understanding the Three Types of Fact Tables in Data Warehouses
- Define Governed Metrics Easily with OWOX Output Schemas
- Stop Data Ticket Chaos: Build Reusable Data Marts
- Blend GA4 Conversions with Ad Spend Data
- From Bottleneck to Scalable Data Reporting
- Calculate LTV with CRM and ERP Data 2025
- Google Sheets to BigQuery Workflow (2026 Guide)
- Build a Free Analyst Stack with JS, SQL & BigQuery
- Manage Looker Studio SQL with OWOX Data Marts (2025)
- Master SQL Key Constraints for Efficient Databases
- Why SaaS Product Teams Need a Data Model
- SQL Stored Procedures (2025): Examples, Benefits & Use Cases
- Dimensional Data Modeling: Concepts, Techniques and Examples
- Star Schema vs Snowflake Schema: 10 Key Differences
- Benefits of Data Modeling for Business Reporting
- Data Masking Explained: Protect Sensitive Data Securely
- First-Party, Second-Party and Third-Party Data Explained
- The Essential Guide to Marketing Analytics
- 7 Analytics Tactics to Get More Traffic and Sales Using GA4
- How to Set up Google Analytics 4
- The Ultimate Marketing Dashboard Setup with Examples
- Google Analytics 4 Checklist and Best Practices
- 5 Data Mistakes Smart Marketers Make
- Data Collection
- Data Preparation
- Delivering Insights
- Data Analysis Stage 1
- 5 Data Analytics Problems
- UNIQUE Function in Google Sheets
- QUERY Function in Google Sheets
- ARRAYFORMULA in Google Sheets
- How to Split Cells in Google Sheets
- VLOOKUP in Google Sheets
- SQL Subqueries Explained with Examples
- SQL JOINs Explained
- Corporate Reporting in Spreadsheets
- OWOX BigQuery Reports for Google Sheets
- Connect BigQuery to Google Sheets
- Primary and Foreign Keys in SQL
- What is a SQL Query?
- Choosing a Data Warehouse
- SQL Basics Part 2
- GA4 User Acquisition Report in BigQuery
- GA4 Events Data Schema in BigQuery
- Query GA4 Event Data in BigQuery
- Use ChatGPT to Write SQL for BigQuery
- 8 Reasons to Export GA4 Data to BigQuery
- Learn Basic SQL Queries in 20 Minutes
- Customer Lifetime Value (LTV) Explained Simply
- What is Data-Driven Marketing?
- Data Freshness in 2024
- 8 Data Analytics Terms Everyone Should Know
- Metrics vs Dimensions
- What is Business Intelligence in 2024?
- What are Marketing KPIs? 7 Tips to Define Yours
- 7 Use Cases for Server-Side Tracking
- Marketing Mix Modeling in 2024
- Client-Side vs Server-Side Tracking
- Server-Side Tracking in 2024
- Why Analysts Hate SaaS Tools
- Ask Better Data Questions
- Data Analytics Implementation Guide
- First, Second, Third & Zero-Party Data
- Top Business KPIs Every Company Should Track
- Four Horsemen of Marketing Analytics
- Common Data Analysis Mistakes
- Top Data Analyst Skills in 2025
- Data Culture's Impact on Growth
- Top 3 Marketing Blind Spots in 2025
- 7 Gifts from OWOX in 2024
- Marketing Mix Modeling for Better ROI
- Ad Hoc Reporting Explained
- The Art of Marketing Analytics
- Top 5 Data Analytics Problems
- GA4 Tactics for More Traffic & Sales
- Data Freshness in Business Decisions
- Marketing Analytics Dos and Don'ts
- Post-Cookie Marketing Strategies
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