The DBA is primarily responsible for:
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The conceptual model of a database is characterized by:
The conceptual model of a database is characterized by:
In the three-level database architecture, the external level…
In the three-level database architecture, the external level includes:
Which function can convert a formatted string like ‘$199.99’…
Which function can convert a formatted string like ‘$199.99’ to a money value?
Which of the following best explains logical data independen…
Which of the following best explains logical data independence in a three-level database architecture?
Which of the following accurately differentiates Hadoop MapR…
Which of the following accurately differentiates Hadoop MapReduce from Apache Spark?
The ETL process includes the step of data transformation, wh…
The ETL process includes the step of data transformation, which involves:
Which of the following is not a defining feature of NoSQL da…
Which of the following is not a defining feature of NoSQL databases?
The Object-Relational Model extends the relational model by:
The Object-Relational Model extends the relational model by:
The DBMS performs all of the following functions except:
The DBMS performs all of the following functions except: