What is SPU in Netezza?
Snippet Processing Units (SPUs) or S-Blades are hardware components that serve as the query processing engines of the IBM® Netezza® appliance. Each SPU has CPUs and FPGAs and memory and I/O to process queries and query results.
What are different states on Netezza?
Q3) What are the different states of Netezza?
- Online: Normal or usual state.
- Stopped: Netezza will shut down after completing current queries, no new queries allowed.
- Offline: Waits for completion of current queries, new queries in queue receives an error.
- Paused: Same as above, but no error displayed.
What is Netezza called now?
the legacy 32 bit Netezzas. The Netezza host has evolved and is now containerized, which is another step toward allowing the core functionality to truly become hybrid with components running on-premise while other workloads are shifted up to the cloud or off to other infrastructure.
What is Netezza used for?
IBM Netezza is a powerful and highly parallelized Data Warehousing system that is simple to administer and to maintain. This system is an appliance that is purpose-built for data warehousing.
What is Netezza architecture?
The Netezza architecture combines the best elements of Symmetric Multiprocessing (SMP) and Massively Parallel Processing (MPP) to create an appliance purpose-built for analyzing petabytes of data quickly.
Does Netezza support triggers?
Ongoing Remote Netezza Support Most problems that occur will trigger a ticket automatically as a result of our ticketing system integrating with your Netezza nzevent alerts and these are escalated immediately to our support engineers.
What kind of SQL does Netezza use?
IBM Netezza Structured Query Language
The IBM® Netezza® data warehouse appliance includes a highly optimized SQL that is called IBM Netezza Structured Query Language (SQL). You can use the SQL commands to create and manage your Netezza databases, user access and permissions for the databases, and to query the contents of the databases.
What is IBM replacing Netezza with?
When IBM decided to replace Netezza with Db2 Warehouse, some companies didn’t want to make the switch because of its costs, refresh issues, and other reasons. Eventually, IBM opened the opportunity for companies to swap their Netezza workloads for the cloud-based database offerings of other vendors.
Is Netezza a relational database?
Several standards relate to the definition of Netezza SQL. SQL-92 (also called SQL/2), is the operative ANSI/ISO standard for relational databases today. While no vendor supports the complete SQL-92 standard, Netezza SQL conforms to all the commonly supported components of SQL-92.
Is Netezza end of life?
The end-of-life date for Netezza appliances is coming up in 2023. Companies have a few years to make a thoughtful decision about their next move.
Can you write select inside a trigger?
No we cannot create trigger on select statement, we can create trigger only on insert / update / deleteAlso check Syntax for triggerCreate or replace trigger before/after insert/update/deleteThis shows only after insert, update or delete trigger will get fire not on select statement.
How do you create a trigger?
CREATE TRIGGER must be the first statement in the batch and can apply to only one table. A trigger is created only in the current database; however, a trigger can reference objects outside the current database. If the trigger schema name is specified to qualify the trigger, qualify the table name in the same way.