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Questions and Answers
Which PostgreSQL package provides functions and operators for manipulating null-free arrays of integers?
Which PostgreSQL package provides functions and operators for manipulating null-free arrays of integers?
- pg_stat_statements
- pgcrypto
- intarray (correct)
- ltree
Which PostgreSQL package offers data types and functions for hierarchical labels?
Which PostgreSQL package offers data types and functions for hierarchical labels?
- uuid-ossp
- plpgsql
- ltree (correct)
- log_fdw
Which PostgreSQL package provides execution statistics of SQL statements but is not available for API users?
Which PostgreSQL package provides execution statistics of SQL statements but is not available for API users?
- pgcrypto
- dblink
- pg_stat_statements (correct)
- hstore
API users are allowed to deploy dblink in PostgreSQL packages.
API users are allowed to deploy dblink in PostgreSQL packages.
The hstore data type for key value pairs might be removed from PostgreSQL.
The hstore data type for key value pairs might be removed from PostgreSQL.
pgcrypto offers crypto functions for generating SHA-256 hashes.
pgcrypto offers crypto functions for generating SHA-256 hashes.
Match the following PostgreSQL packages with their primary usage:
Match the following PostgreSQL packages with their primary usage:
Match the following PostgreSQL packages with their allowed usage for API users:
Match the following PostgreSQL packages with their allowed usage for API users:
Match the following PostgreSQL packages with their provided functionality:
Match the following PostgreSQL packages with their provided functionality:
What is the primary purpose of a package in PostgreSQL?
What is the primary purpose of a package in PostgreSQL?
What benefit do packages provide in terms of namespace management?
What benefit do packages provide in terms of namespace management?
How do packages promote modularity in PostgreSQL?
How do packages promote modularity in PostgreSQL?
What is a key feature of packages in terms of visibility control?
What is a key feature of packages in terms of visibility control?
How do packages contribute to organization and maintainability of codebases in PostgreSQL?
How do packages contribute to organization and maintainability of codebases in PostgreSQL?
What statement is used to create a package in PostgreSQL?
What statement is used to create a package in PostgreSQL?
How can objects be added to a package in PostgreSQL?
How can objects be added to a package in PostgreSQL?
What privilege can be optionally defined when creating a package in PostgreSQL?
What privilege can be optionally defined when creating a package in PostgreSQL?
True or false: In PostgreSQL, a package is a collection of objects that include functions, procedures, and composite types.
True or false: In PostgreSQL, a package is a collection of objects that include functions, procedures, and composite types.
True or false: Packages in PostgreSQL prevent name collisions and conflicts with objects in other schemas.
True or false: Packages in PostgreSQL prevent name collisions and conflicts with objects in other schemas.
True or false: Packages in PostgreSQL do not promote modularity by encapsulating related objects together.
True or false: Packages in PostgreSQL do not promote modularity by encapsulating related objects together.
True or false: Packages in PostgreSQL provide visibility control mechanisms to specify the accessibility of objects within the package.
True or false: Packages in PostgreSQL provide visibility control mechanisms to specify the accessibility of objects within the package.
True or false: Creating a package in PostgreSQL involves using the ALTER PACKAGE statement.
True or false: Creating a package in PostgreSQL involves using the ALTER PACKAGE statement.
True or false: Once a package is created in PostgreSQL, you can add objects to it using standard SQL statements, such as CREATE FUNCTION or CREATE PROCEDURE.
True or false: Once a package is created in PostgreSQL, you can add objects to it using standard SQL statements, such as CREATE FUNCTION or CREATE PROCEDURE.
True or false: Packages in PostgreSQL do not improve the organization and maintainability of complex codebases.
True or false: Packages in PostgreSQL do not improve the organization and maintainability of complex codebases.
True or false: Packages in PostgreSQL provide a namespace for the objects they contain, preventing name collisions and conflicts with objects in other schemas.
True or false: Packages in PostgreSQL provide a namespace for the objects they contain, preventing name collisions and conflicts with objects in other schemas.
Match the following PostgreSQL features with their benefits:
Match the following PostgreSQL features with their benefits:
Match the following statements with their role in creating a package in PostgreSQL:
Match the following statements with their role in creating a package in PostgreSQL:
Match the following PostgreSQL packages with their provided functionality:
Match the following PostgreSQL packages with their provided functionality:
Match the following privileges with their optional definition when creating a package in PostgreSQL:
Match the following privileges with their optional definition when creating a package in PostgreSQL:
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