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Total 60 questions
Consider a scenario where a customer has a FACT_SALES table with a column zip_code with data type char(5| They frequently restrict on this column, but the query is very inefficient.
What is the correct way to optimize this query without modifying the column?
Answer : C
The nzhostbackup command backs up which directory by default?
Answer : D
Which date time format is used to capture history activities?
Answer : A
Which two file formats are valid for external tables?
Answer : A, C
When is a PRIMARY KEY (PK) table constraint evaluated during an INSERT statement into the table?
Answer : C