To generate a statspack report, you need to run the spreport.sql script. Let's go through each option to understand why it is correct or incorrect:

Option A) run spcreate.sql - This option is incorrect because running the spcreate.sql script is used to create the statspack schema in the database. It does not generate a statspack report.

Option B) run sptrunc.sql - This option is incorrect because running the sptrunc.sql script is used to truncate the statspack tables in the database. It does not generate a statspack report.

Option C) run spexp.par - This option is incorrect because running the spexp.par script is used to export the statspack data from the database. It does not generate a statspack report.

Option D) run spreport.sql - This option is correct because running the spreport.sql script is used to generate a statspack report. This script retrieves and analyzes the performance data stored in the statspack tables to generate a comprehensive report with detailed performance statistics.

The correct answer is Option D. This option is correct because running the spreport.sql script is the correct way to generate a statspack report.

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• Wrong explanation

To answer this question, you need to understand cardinality in the context of entity-relationship diagrams (ERD).

Option A) Minimum cardinality - This option is incorrect because minimum cardinality refers to the minimum number of entities that must be involved in a relationship. It does not indicate the maximum number of entities.

Option B) Maximum cardinality - This option is correct because the maximum cardinality of a relationship denotes the maximum number of entities that can participate in that relationship. It indicates the upper limit of the number of entities that can be involved.

Option C) ERD - This option is incorrect because ERD stands for entity-relationship diagram, which is a graphical representation of the entities and their relationships. It is a modeling tool and does not specifically indicate the maximum number of entities in a relationship.

Option D) Greater Entity Count (GEC) - This option is incorrect because Greater Entity Count is not a commonly used term in the context of entity-relationship modeling. It does not specifically indicate the maximum number of entities in a relationship.

The correct answer is B) Maximum cardinality. This option is correct because it indicates the maximum number of entities that can be involved in a relationship.

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• Wrong explanation