The role, known as, DBA has been disappearing for years and opening the door for Data Base as a Service. Every cloud provider offers multiple forms of Database as a Service (DBaaS).

Many of traditional on-prem databases such at the following are also offered as a service.
Traditional On-Prem, or Self Managed Database systems:
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Elastic Search
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IBM DB2
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MariaDB
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MemSQL
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Microsoft SQL Server
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MongoDB
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MySQL
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Neo4j
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Oracle Database (all versions)
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PostgreSQL
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Redis
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SAP HANA
Cloud solutions for databases, and DBaaS:
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AWS (e.g., Aurora, RDS, Redshift, etc.)
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Azure (e.g., SQL Database, Synapse, Cosmos DB, etc.)
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Elastic Cloud (Elasticsearch)
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IBM DB2 on Cloud
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Google (e.g., Cloud SQL, Spanner, Firestore, etc.)
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MariaDB SkySQL
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MongoDB Atlas
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Redis Enterprise Cloud
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SAP HANA Cloud
Want to learn more ? Please book time with me, directly, or via these advisory networks:
AlphaSights, GLG, Taconic