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CMPT 339 A - Intr to Database Management Systems (FA 2026)
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What kind of system is illustrated by the following?
What is described by the following?
Refers to immunity of conceptual schema to changes in the internal schema.
Internal schema changes (e.g. using different file organizations, storage structures/devices) should not require change to conceptual or external schemas.
What architecture is shown in the following diagram (this architecture is used for most commercial DBMSs)?
What role is described by the following?
This role is responsible for the management of the data resource, including database planning; development and maintenance of standards, policies and procedures; and conceptual/logical database design.
What is defined by the following?
Data
that have been processed and can be used for a decision making.
What architecture is shown in the following diagram (this architecture is used for most commercial DBMSs)?
What architecture is shown in the following diagram (this architecture is used for most commercial DBMSs)?
What kind of system is illustrated by the following?
What kind of system is illustrated by the following?
What language is described by the following?
- This language permits the specification of data types, structures, and any data constraints.
- This language is used by a database administrator to define a schema.
- Examples are CREATE, ALTER, DROP, COMMENT, and RENAME.