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Upgrade
We recommend that you back up database and configuration files before upgrading. Generally, we guarantee that the upgrade does not affect the existing data. To back up data mean... -
Switching to an Oracle Database After Installation
About This Task Prerequisites Steps About This Task If you want to use an Oracle database with SAM or Schema Registry after you have performed your initial HDF installation o... -
Transactions
Locking Non-Transactional When managing the persistence of objects using a PersistenceManager it is common to handle all datastore operations in a transaction. For this reason ... -
Creating your first interoperable table
Creating your first interoperable table Using Apache XTable™ (Incubating) to sync your source tables in different target format involves running sync on your current dataset usi... -
SLES 12
Steps Next Step More Information On a server host that has Internet access, use a command line editor to perform the following Steps Before installing Ambari, you must upda... -
Methods
String Methods Collection Methods List Methods Map Methods Temporal Methods Enum Methods Optional Methods Other Methods When writing the “filter” for a JDOQL Query you can... -
Relation
countBy difference differenceWith unionWith union gt gte intersection lt lte max min propEq sortBy pathEq maxBy minBy equals identical eqBy clamp sortWith c... -
Procedures
Spark Procedures To use Iceberg in Spark, first configure Spark catalogs . Stored procedures are only available when using Iceberg SQL extensions in Spark 3. Usage Procedures c... -
ZooKeeper
ZooKeeper ACLs ACL errors during upgrade ZooKeeper ACLs Accumulo requires full access to nodes in ZooKeeper under the /accumulo path. The ACLs can be examined using the ZooKee... -
Spark DDL
CREATE TABLE PRIMARY KEY PARTITIONED BY CREATE TABLE … AS SELECT CREATE TABLE … LIKE REPLACE TABLE … AS SELECT DROP TABLE TRUNCATE TABLE ALTER TABLE ALTER TABLE … SET TBLPR...
