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DataCamp vs Coursera vs Udemy for Learning Databases

Compare DataCamp, Coursera, and Udemy for learning databases: SQL and NoSQL coverage, teaching style, practical exercises, and buying considerations.
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SQL Server 2016 End of Support: Upgrade Safely in 2026

SQL Server 2016 support ended July 14, 2026. Compare ESU, SQL Server 2025, Azure VM, and Managed Instance, then use a safe migration checklist.
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Upgrade SQL Server 2022 to SQL Server 2025: A DBA Checklist

A practical side-by-side and in-place upgrade checklist for moving SQL Server 2022 workloads to SQL Server 2025 safely.
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Best Database for RAG in 2026: SQL Server vs PostgreSQL vs MongoDB vs Redis vs DuckDB

A practical 2026 RAG database decision matrix comparing SQL Server, PostgreSQL with pgvector, MongoDB, Redis, and DuckDB.
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SQLite vs DuckDB: Which Embedded Database Should You Choose?

Choose SQLite or DuckDB by workload: embedded transactions and point updates versus columnar analytics over CSV, Parquet, and large scans.
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PostgreSQL 18 B-tree Skip Scan: When Multicolumn Indexes Can Skip the Leftmost Column

Learn how PostgreSQL 18 skip scan uses multicolumn B-tree indexes when a query omits a leading equality predicate, and when it is profitable.
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PostgreSQL 18 Asynchronous I/O: Configuration, Monitoring, and Tuning

Configure and measure PostgreSQL 18 asynchronous I/O with io_method, io_workers, effective_io_concurrency, pg_aios, and pg_stat_io.
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SQL Server 2025 Vector Search: VECTOR Data Type, Exact Search, and DiskANN

Build and validate vector similarity search in SQL Server 2025, from VECTOR columns and VECTOR_DISTANCE to preview DiskANN indexes.
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SQL Server CDC __$operation Values 1, 2, 3, and 4 Explained

Understand SQL Server CDC operation codes, LSN ordering, update before/after rows, and the supported functions for reading changes safely.
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DuckDB for SQL Server DBAs: Analyze CSV and Parquet Files with SQL in Minutes

DBA PARK may earn a commission from purchases through links in this article, at no extra cost to you.DuckDB has become o...