Oracle Big Data SQL queries will run on the Hadoop cluster as the owner of the Oracle Database process (i.e. theoracleuser). Therefore, theoracleuser needs a valid Kerberos ticket in order to access data. This ticket is required for every Oracle Database instance that is accessing the clu...
Since data in the Hadoop HDFS file system is stored in an undetermined format, SQL queries require some constructs to parse and interpret data for it to be processed in rows and columns. Oracle Big Data SQL leverages available Hadoop constructs to accomplish this, notably InputFormat and SerDe...
Oracle Cloud SQL, an available add-on service, enables customers to initiate Oracle SQL queries on data in HDFS, Kafka, and Oracle Cloud Infrastructure Object Storage. Any user, application, or analytics tool can work transparently with these data stores, using push-down, scale-out processing to...
You can run Db2 Big SQL queries from a command line interface, the Db2 Big SQL console, and from client applications that use JDBC or ODBC drivers.
本练习需以下3个SQL文件 GOSALESDW_ddl.sql GOSALESDW_drop.sql GOSALESDW_load.sql 将样例SQL文件上传至HDFS hdfs dfs -put $BIGSQL_HOME/samples/queries /user/bigsql/bi_sample_data 本练习只需要执行以下语句装载相关数据 hdfs dfs -put $BIGSQL_HOME/samples/data/GOSALESDW.DIST_INVENTORY_FACT.txt/...
Are they supported in RDBMS? the answer is NO but may be YES if using APEX PL/SQL or JAVA programs. In the same way, there is also a difference between Impala and Hive. Lateral views. In CDH 5.5 / Impala 2.3 and higher, Impala supports queries on complex types (STRUCT, ARRAY, or ...
Cloudera Manager view with all roles showing red Big Data SQL queries against Hive tables on the Big Data Appliance may return errors similar to this example: SQL> ERROR at line 5: ORA-29913: error in executing ODCIEXTTABLEOPEN callout ORA-29400: data cartridge error KUP-11504: error from ...
The data pool consists of one or more pods running SQL Server on Linux. It is used to ingest data from SQL queries or Spark jobs. Storage Pool The storage pool consists of storage pool pods comprised of SQL Server on Linux, Spark, and HDFS. All the storage nodes in a big data ...
Start the CLI to connect to the server and run SQL queries: client/trino-cli/target/trino-cli-*-executable.jar Run a query to see the nodes in the cluster: Run a query against the TPCH connector: SELECT * FROM tpch.tiny.region; ...
Group privileges, with the exception of PUBLIC, are not checked for queries that are contained in static SQL statements or DDL statements. For nicknames, authorization requirements of the data source for the object referenced by the nickname are applied when the query is processed. The authorization...