Constantin Lungu

Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator

Top BigQuery Creator

33 Swipes

About

Constantin is an experienced Data Engineer with a proven track record across multiple industries. He holds certifications as a GCP Professional Data Engineer and AWS Certified Data Analytics Specialist. Skilled in Python, C#, Scala, BigQuery, Spark, and Microsoft BI Stack, he excels in PowerBI, Tableau, and DataStudio. Proficient in SQL Server, MySQL, MongoDB, and DevOps tools like Airflow and Docker. Fluent in English, French, Romanian, and Russian, and conversational in German.

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BigQuery System Variables: How to Use Them in Multi-Statement Queries

BigQuery System Variables: How to Use Them in Multi-Statement Queries

4 months ago

System variables in BigQuery are special variables available in multi-statement queries, allowing us...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
BigQuery Job History: Retrieve, Analyze, and Manage Queries Effortlessly

BigQuery Job History: Retrieve, Analyze, and Manage Queries Effortlessly

4 months ago

BigQuery's job history feature saves every query, providing access to personal and project history. ...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
Top-Notch Google Analytics Audit Tool

Top-Notch Google Analytics Audit Tool

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Get comprehensive Google Analytics Audit: 40 pages, 100+ features analyzed, 3 themes, 3 file formats...

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Understanding SQL Anti-Joins: Retain Rows Not Found in Another Table

Understanding SQL Anti-Joins: Retain Rows Not Found in Another Table

5 months ago

The SQL Anti-Join retains rows in one table not found in another. Achieved with LEFT JOIN + WHERE [k...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
Understanding NULL in BigQuery SQL

Understanding NULL in BigQuery SQL

5 months ago

NULL in SQL represents the absence of a value, distinct from an empty string or zero. Key points inc...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
Differences Between FLOAT (FLOAT64) vs NUMERIC Data Types in BigQuery Explained

Differences Between FLOAT (FLOAT64) vs NUMERIC Data Types in BigQuery Explained

5 months ago

FLOAT (FLOAT64) is a double-precision floating-point number that can express a large array of values...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
Showcasing Versatile BigQuery Aggregation Functions: LOGICAL_AND and LOGICAL_OR

Showcasing Versatile BigQuery Aggregation Functions: LOGICAL_AND and LOGICAL_OR

5 months ago

LOGICAL_AND and LOGICAL_OR are versatile non-standard SQL aggregation functions in BigQuery. LOGICAL...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
Using LIMIT in BigQuery: Save Time in Data Validation and Assumption Testing

Using LIMIT in BigQuery: Save Time in Data Validation and Assumption Testing

5 months ago

Using LIMIT in BigQuery doesn't save costs as it doesn't reduce data processed, only the number of r...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
Understanding the Use of NOT NULL Constraint in BigQuery

Understanding the Use of NOT NULL Constraint in BigQuery

5 months ago

The NOT NULL constraint in BigQuery allows users to declare if a column should not be null when crea...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator
BigQuery Introduces New Feature for Simplified Row-Level Security Management

BigQuery Introduces New Feature for Simplified Row-Level Security Management

6 months ago

BigQuery has introduced a new feature, currently in preview, that simplifies row-level access securi...

Constantin Lungu
Constantin Lungu

Top Creator

Top BigQuery Creator

Constantin Lungu is a Top BigQuery Creator. Part of Swipe Insight Select, a curated list of top creators.

Top BigQuery Creator