Aerospike Predicate Filtering: Trimming Query Results Without Dropping Your Indexes
Learn when Aerospike server-side predicate filtering reduces network payload alongside secondary indexes, and why it doesn't replace indexing.
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aerospikePartial Indexes in PostgreSQL: Index Only the Rows You Actually Query
PostgreSQL partial indexes let you index only rows matching a predicate, shrinking size and speeding selective queries. Learn when they help, how to create them, and the trade-offs to watch.
Why Oracle Partition Pruning Silently Fails — and How to Catch It
Partitioned your big table but queries still scan everything? Partition pruning fails silently when predicates wrap the key in functions or stats go stale. Here's how to detect it in the execution plan and fix the three usual causes.
Diagnosing Query Behavior After Enabling Clarity in a Hibernate/Spring Application
A diagnostic workflow for unexpected SQL, plan changes, and transaction shifts after enabling a Hibernate query-clarity layer — using only verifiable Hibernate and Spring behavior, with unverified feature claims flagged.
hibernate
springStop Using SKIP/LIMIT in Neo4j: Cursor Pagination with Indexed Properties
SKIP/LIMIT pagination slows linearly in Neo4j. Use cursor pagination on an indexed, monotonic property and let index-free adjacency handle relationship hops for stable page latency.
neo4jWhen ClickHouse Feels Slow, the Answer Is Often a Materialized View
Slow ClickHouse dashboards usually mean re-aggregating raw events on every query. A materialized view feeding a well-keyed rollup table moves that work to insert time — here's a concrete setup, plus the write-overhead and backfill trade-offs.
clickhouseWhen a Columnstore Index Fixes Your Slow SQL Server Reports (and When It Won't)
Columnstore indexes can turn a 14-minute SQL Server aggregation into seconds — or make your OLTP table miserable. Here's how the storage model works, a worked CCI example, and the checks that tell you which side you're on.
microsoftsqlserverLet Azure SQL Database Fix Its Own Bad Plan Choices — With Guardrails
Azure SQL Database can detect plan regressions and force the last known good plan automatically. Here’s how FORCE_LAST_GOOD_PLAN works, how to audit it, and where it falls short.
azuresqldatabaseDiagnosing FaunaDB Query Performance Degradation: A Practical Guide
A step‑by‑step diagnostic guide for FaunaDB query performance issues: identify symptoms, run targeted checks, apply fixes (indexes, consistency, pagination, TTL, backoff), and verify results with concrete FQL examples.