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10: Q80 – Q87 HBase Schema Design Interview Q&As

Q80. Why is schema design for HBase is different from relational database design? A80. HBase is a columnar NoSQL database. This means no two rows in a table need to have the same columns. In a columnar database table, each row contains cells containing Values are stored against each cell....



3. Understanding HBase (NoSQL) database basics in 7 steps

Extends Getting started with HBase. HBase is a NoSQL database. HBase is a columnar database. #1. In HBase, you create the Table & column-families “create” command to create a table with column families. You can later on use “ … Read more ›...



9 Java Transaction Management Interview Q&As

Q1. What is a Transaction? A1. A transaction is a set of operations that should be completed as a unit. If one operation fails then all the other operations fail as well. Example 1: If you transfer funds between two accounts there will be two operations in the set Operation...



Java Interview FAQs

800+ Java Interview Q&As

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