PostgreSQL MCQ Quiz (Multiple Choice Questions And Answers)
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List of Programming Full Forms
- pg_mv -h server1 database | pgsql -h server2 database
- pg_dump -h server1 database > pgsql -h server2 database
- pg_copy -h server1 database | psql -h server2 database
- pg_dump -h server1 database | psql -h server2 database
The __________ database model has the advantage of being able to quickly discover all of the records of one type that are related to a specific record of another type by following the pointers from the starting record.
- relational
- network
- hierarchical
- structured
- A domain is created by ‘CREATE DOMAIN’.
- A domain can be used as a column type when defining a table.
- Domain is a namespace existing between databases and objects such as tables.
- When defining a domain, you can add a default value and constraints to the original data.
- $ psql -F database_dump.psql database_name
- $ psql -R database_dump.psql database_name
- $ psql -f database_dump.psql database_name
- $ psql -r database_dump.psql database_name
- A large object data type can be used to store data of unlimited size.
- Only the INTEGER type can be declared as an array.
- n’in CHARACTER(n) represents the number of bytes.
- There is a non-standard PostgreSQL data type, called Geometric data type, which handles 2-dimensional data.
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