Friday, March 31, 2017

Netezza NPS Release 7.2.1.3 summary of new features






The  summary of note worthy features of new Netezza NPS Release 7.2.1.3 (as of Feb 2017)

Refer do IBM Release notes: 


New feature
Why it's good ?
Examples
In-memory external tablesReduced catalog growth and contention.
Table-oriented zone mapsImproved incremental loads to a table
New nzload -merge optionLess steps in ETL
New SQL commands:
More tools in developers toolkit
Reduced time requirements for major upgradesShorter system downtime




New features in General Purpose Scripts Toolkit Version: 7.2 (2016-07-04)  in /nz/support/bin/***

Script Name New Option(s)Comments
nz_csv                            New script to dump out tables in in CSV format
nz_ddl_all_grants     New script to dump out all GRANT statements across all databases
nz_ddl_diff          -ignoreQuotesIgnore quotes and case in object names/DDL
nz_genstats          -defaultHave the system decide the default type of statistics to be generated
nz_groom             -scan+records
-brief
Perform a table scan + record level groom of the table (if needed) 
                      Limit the output to only tables that are considered "groom worthy"
nz_health                         Includes output from the nznpssysrevs command
                                  Includes output about the frequency/usage of the nz_*** scripts
nz_migrate            -fillRecord
-truncString
Treat missing trailing input fields as null
                      Truncate any string value that exceeds its declared storage
nz_plan                           After each table ScanNode, show what is done with that data set
nz_rerandomize                    New script to re-randomize the rows in a randomly distributed table  
nz_scan_table_extents             New script to scan 1 table ... 1 dataslice ... 1 extent at a time
nz_zonemap            Include additional information with the existing "-info" option




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