Monitor usable data rather than task status alone. Covers freshness, volume, schema drift and lineage with an SLO template, dashboard specification and incident triage checklist.
Plan SQL Server migration to Azure SQL with a target decision, compatibility inventory, cutover gates, validation checks and cost worksheet. Covers jobs, SSIS and rollback after target writes.
Compare streaming, micro-batch and batch ETL with freshness budgets, delivery semantics, failure tests and a decision flow. Includes a workload matrix and practical examples.
Configure Power BI dynamic RLS with an identity-to-scope mapping, illustrative DAX and a verification matrix. Covers consumer permissions, guest identities and deny-by-default tests.
Diagnose slow Power BI reports with a repeatable runbook covering visual timings, DAX, model design, aggregations and refresh bottlenecks. Includes a diagnostic log and release checklist.
Compare dimensional modeling, Data Vault and one big table with finance and event architectures, change-handling examples, a workload worksheet and a selection matrix.
Compare Great Expectations, Soda and custom checks by rule coverage, execution, CI integration and ownership. Includes a feature matrix, cost worksheet and selection process.
Tune PySpark by profiling partitions, shuffle, skew, joins and AQE. Includes a synthetic comparison script, correctness assertions and an experiment worksheet.
Compare Delta Lake, Iceberg and Hudi by engine compatibility, updates, metadata and maintenance. Includes a decision matrix and worked architecture example.
Understand CDC with SQL Server and Debezium: snapshots, ordering, idempotency, checkpoints and exactly-once caveats. Includes a reference architecture and recovery checklist.
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