Netezza Interview Questions and Answers

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Q: What should be considered when you are asked to select the distribution key columns for a very large fact table?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: What is the maximum number of columns you can choose as organizing keys for a clustered base table?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: Which statement is true for database users and groups?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: Which CREATE DATABASE attributes are required?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: Which two characteristics describe the materialized view?(Choose two.)

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: How Netezza updates a row in a table?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: What are the different ways to load data from a file into a table?

asked Feb 19, 2023 in Netezza by rajeshsharma

+1 vote

Q: What are the ways to load data from a table into a file?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: What is nzload?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: How do you remove logically deleted records?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: When Netezza redistributes a table and when it broadcasts a table?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: What is a collocated join?

asked Feb 19, 2023 in Netezza by rajeshsharma

+1 vote

Q: How do you check the rows in a table are equally distributed in all SPU’s or not?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: If you did not specify any distribution clause, how the Create Table AS (CTAS) will distribute the rows?

asked Feb 19, 2023 in Netezza by rajeshsharma

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Q: How do you redistribute a table?

asked Feb 19, 2023 in Netezza by rajeshsharma

+1 vote

Q: What data types are most suited for the columns specified in the distribution clause?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: Can you update the columns used in the distribution clause?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: If you did not specify any distribution on clause while creating a table, what distribution Netezza uses?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: Up to how many columns you can specify in distributing on clause?

asked Feb 18, 2023 in Netezza by rajeshsharma

+1 vote

Q: What are the partitioning methods available in Netezza?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What are the best practices of creating materialized views?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What are the limitations of materialized views?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What is the distribution of materialized views?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What is the use of creating materialized views?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What is generate statistics and generate express statistics OR what is the difference between generate statistics and generate express statistics?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: How the zone maps are created and updated?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What are zone maps?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: What is a snippet?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: How FPGA can be helpful in improving query performance?

asked Feb 18, 2023 in Netezza by rajeshsharma

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Q: How the NOT NULL specification on a column improves the Netezza performance?

asked Feb 18, 2023 in Netezza by rajeshsharma

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