Java object queries using JXPath. news. Mar 21, ... Using predicates is comparable to using the WHERE clause in SQL. We can even combine multiple predicates in one query: Employee emp = ...

MapR produces a Hadoop distribution of its own, and the newest edition (4.0.1) bundles it with four distinct engines for querying Hadoop vial SQL. The four are significant SQL query systems for ...

The JPA Query object is smart enough to map fields returned from a native SQL query to the fields in the corresponding entity if you provide the name of the class to the createNativeQuery method. The ...