Advice

Which database is best for read heavy?

Which database is best for read heavy?

TOP 10 Open Source Big Data Databases

  • Cassandra. Originally developed by Facebook, this NoSQL database is now managed by the Apache Foundation.
  • HBase. Another Apache project, HBase is the non-relational data store for Hadoop.
  • MongoDB.
  • Neo4j.
  • CouchDB.
  • OrientDB.
  • Terrstore.
  • FlockDB.

Which database level is closest to the users?

Discussion Forum

Que. Which database level is closest to the users?
b. Internal
c. Physical
d. Conceptual
Answer:External

What is the Versant Object Database?

The Versant Object Database enables developers using object oriented languages to transactionally store their information by allowing the respective language to act as the Data Definition Language (DDL) for the database.

Does Versant support OQL and SQL?

In C++ Versant provides VQL and OQL, with C# support for VQL, OQL and LINQ. VOD will do optimization of query execution based on available attribute indexes. Versant also has support for standard SQL queries against the Versant database using ODBC / JDBC drivers.

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What programming languages does Versant support?

In 1995 Versant introduced support for the Java programming language and then in 2009 for C# and the .NET platform. In 2012 Versant introduced Versant JPA, a Java Persistence API 2.0 compliant interface for its object database, with a technical preview of an analytics product including Apache Hadoop support.

Is versant really a human being?

Yes, that’s right. Versant isn’t a human being. It’s a computer program, which happens to have the authority to judge how humans should speak. You might ask, “why can’t just real human beings conduct the test instead of a computer?”