eXtremeSQL Features

The eXtremeSQL syntax and detailed information for the following topics are provided in separate pages. Please use the links below to view the individual topics:

Window Functions Aggregation-like functions that return multiple values
ARF Functions Support for eXtremeDB Active Replication Fabric
Covering Indexes Covering indexes can significantly improve lookup performance
Autocheckpoint Allow the application to "see" the modifications made in the current transaction
LIMIT Limit the number of results for a query
TTL Support Time-To-Live in SQL
Parallel query execution The eXtremeDB runtime implements PARALLEL
Sequence Parallelism The eXtremeDB runtime implements parallel processing of sequences through a thread pool
Functions Preload Allows the SQL engine to parse and load into memory all UDFs stored in the database
Shuffle_Join The classical map-reducing algorithm "shuffle join" is implemented when performing a join between tables
ANSI Standards Compliance of eXtremeSQL with ANSI Standards