{"product_id":"oleg-database-engineer","title":"Oleg — Database Engineer AI Skill","description":"\u003cdiv style=\"font-family: 'DM Sans', sans-serif; color: #1A1A18; max-width: 680px;\"\u003e\n\n  \u003cp style=\"font-size: 16px; font-weight: 600; color: #1A1A18; line-height: 1.5; margin: 0 0 8px 0;\"\u003e\n    Drop Oleg in Claude en krijg een Senior Database Engineer die geoptimaliseerde SQL schrijft, schema's ontwerpt die niet instorten bij schaalvergroting, en queryplannen uitlegt zodat je stopt met raden waarom dingen traag zijn.\n  \u003c\/p\u003e\n\n  \u003cp style=\"font-size: 13px; font-weight: 400; color: #555550; line-height: 1.7; margin: 0 0 28px 0;\"\u003e\n    Geen black-box queries. Oleg leest EXPLAIN\/ANALYZE output, ziet ontbrekende indexen, herschrijft ORM-gegenereerde SQL die stilletjes je prestaties saboteert, en verzorgt zero-downtime migraties die je niet om 3 uur ’s nachts wakker maken. PostgreSQL, MySQL, MongoDB, Redis — allemaal gedekt in één skillbestand.\n  \u003c\/p\u003e\n\n  \u003cdiv style=\"background: #E6F1FB; border-radius: 12px; padding: 24px 28px; margin-bottom: 24px;\"\u003e\n    \u003cp style=\"font-size: 10px; font-weight: 600; color: #185FA5; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 16px 0;\"\u003eWat je krijgt\u003c\/p\u003e\n    \u003cul style=\"margin: 0; padding: 0; list-style: none;\"\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; border-bottom: 1px solid rgba(24,95,165,0.12); display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eSchema-ontwerp — genormaliseerde 3NF-schema's, denormalisatiestrategieën, OLTP vs OLAP-modellering, hiërarchische patronen en MongoDB-documentontwerp\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; border-bottom: 1px solid rgba(24,95,165,0.12); display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eSQL-meesterschap — CTE's, windowfuncties, recursieve queries, LATERAL joins, JSONB-operatoren, full-text search, transacties met juiste isolatieniveaus\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; border-bottom: 1px solid rgba(24,95,165,0.12); display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eQuery-optimalisatie — EXPLAIN\/ANALYZE interpretatie, B-tree, GIN, GiST, gedeeltelijke en dekkende indexstrategieën, N+1 detectie, ORM SQL-fixing\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; border-bottom: 1px solid rgba(24,95,165,0.12); display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eZero-downtime migraties — expand-and-contract patroon, online DDL, gebatchte datamigraties met Prisma, Alembic, Flyway of raw SQL\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; border-bottom: 1px solid rgba(24,95,165,0.12); display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eRedis — cachingpatronen (cache-aside, write-through, stampede preventie), pub\/sub, gesorteerde sets, streams en Redis Cluster-configuratie\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; border-bottom: 1px solid rgba(24,95,165,0.12); display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eBetrouwbaarheid en operaties — back-upstrategieën, streamingreplicatie, PgBouncer, logging van trage queries, replicatievertraging waarschuwingen en disaster recovery\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli style=\"font-size: 13px; color: #1A1A18; padding: 7px 0; display: flex; align-items: flex-start; gap: 10px;\"\u003e\n        \u003cspan style=\"color: #185FA5; font-weight: 600; flex-shrink: 0;\"\u003e→\u003c\/span\u003e\n        \u003cspan\u003eCloud-databases — AWS RDS, Aurora, DynamoDB, ElastiCache, GCP Cloud SQL, BigQuery — dimensionering, opslagkeuze en kostenoptimalisatie\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display: flex; align-items: center; gap: 20px; background: #FFFFFF; border: 1px solid #E8E6E0; border-radius: 8px; padding: 14px 20px; margin-bottom: 24px;\"\u003e\n    \u003cspan style=\"font-size: 11px; color: #888780; font-family: monospace;\"\u003e📄 claude-database-engineer.md\u003c\/span\u003e\n    \u003cdiv style=\"width: 1px; height: 16px; background: #E8E6E0;\"\u003e\u003c\/div\u003e\n    \u003cspan style=\"font-size: 11px; color: #888780;\"\u003eInstallatie in minder dan 2 minuten\u003c\/span\u003e\n    \u003cdiv style=\"width: 1px; height: 16px; background: #E8E6E0;\"\u003e\u003c\/div\u003e\n    \u003cspan style=\"font-size: 11px; color: #888780;\"\u003eWerkt met Claude Sonnet 4 \u0026 Claude Code\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border-left: 3px solid #185FA5; padding-left: 16px;\"\u003e\n    \u003cp style=\"font-size: 10px; font-weight: 600; color: #185FA5; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 6px 0;\"\u003eHoe te installeren\u003c\/p\u003e\n    \u003cp style=\"font-size: 12px; color: #555550; line-height: 1.7; margin: 0;\"\u003e\n      Download het .md-bestand → open Claude → plak de bestandsinhoud in je systeem prompt of Projectinstructies → beschrijf je dataprobleem → Claude ontwerpt en optimaliseert het. Dat is alles.\n    \u003c\/p\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Kissmyskills","offers":[{"title":"Default Title","offer_id":56897443070216,"sku":"oleg-database-engineer","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1036\/1444\/7880\/files\/download_c163234e-2fa4-4ee5-a73d-55fb00148410.png?v=1781482171","url":"https:\/\/kissmyskills.com\/nl\/products\/oleg-database-engineer","provider":"KissMySkills","version":"1.0","type":"link"}