Dbi202 - Study guides, Class notes & Summaries

dbi202 Exam Study Guide with Complete Solutions DBMS is a collection of .............. that enables user to create and maintain a database. - Answer-Program In a relational schema, each tuple is divided into fields called - Answer-Domains In an ER model, ................ is described in the database by storing its data. - Answer-Entity DFD stands for - Answer-Data Flow Diagram A top-to-bottom relationship among the items in a database is established by a - Answer- Hierarchical schema .....

dbi202 Practice Exam Questions and Answers Updated 2024 What do machine instructions not cause a transfer of control? A. Instructions related IO accesses B. Branching C. All of others D. Arithmetic instructions - Answer-A. Instructions related IO accesses In the context of reduced instruction set computing(RISC) architecture to pass a called function,____ A. Memory locations B. Registers C. Immediate values D. All of the others - Answer-B. Registers 1, in the context addressing mode...

DBI202 Exam Practice Questions and Answers Updated 2024 Which statement is true? a. Xml documents must have a root tag b. All of the others c. Xml tags are case sensitive d. Xml elements must be properly nested - Answer-B In a typical olap application, there is a central relation or collection Of data, called ______ a. The fact table b. All of the others c. The dimension table d. The star table - Answer-A There is a way of describing xml data, how? EMILLECT 2024/2025 ACADEMIC YEAR ...

DBI202 Exam Practice Questions and Answers Updated 2024 Choose a right answer. A. A SOL environment is the framework under which data may exist and SQL operations on data may be executed [B] All of the others [C] Within a SQL environment are two special kinds of processes: SQL clients and SQL servers. [D] A SQL environment is a DBMS running at some installation. - Answer-B Schema-altering commands are known as......commands. [A]Data Manipulation Language [B]Data Controlling Language [...

DBI202 Final Exam |Questions with 100% Correct Answers

DBI202 Exam |Questions with 100% Correct Answers

Of the various database models, the _______ model is the most prevalent today a. relational b. hierarchical c. linked list d. network CORRECT ANSWER A Each column in a relation is called _______. Select one: a. a tuple b. an attribute c. an attitude d. a union CORRECT ANSWER B Each row in a relation is called _______. Select one: a. an attitude b. a tuple c. an attribute d. a union CORRECT ANSWER B A unary operator is applied to _______ relation(s) and creates an output ...