Databases
- Experience to generate extended SQL languages and to translate it to any SQL-based DBMS
- Experience to add qualitative calculus over SQL and PostgreSQL
- Scale-out techniques on PostgreSQL using Write-Ahead Logging
- Techniques to optimize store and retrieval of big data timeseries
- PostgreSQL, MySQL, CockroachDB, MongoDB, Lucene,, ElasticSearch, Solr, OracleDB, SQL Server, generic ISAM/BerkeleyDB programming, Jena, JanusGraph
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