QUESTION 10 Lorena meets with bank tellers at a local bank to discuss how they w

Question

QUESTION 10 Lorena meets with bank tellers at a local bank to discuss how they will use a DBMS. Which of the following best describes Lorena’s position? Sophisticated user System programmer System analyst Tool developer QUESTION 11 Which of the following best characterizes the difference between a two-tier and a three-tier client-server DBMS architecture? A two-tier architecture uses a single computer with a single database, whereas a three-tier architecture uses a multiple computers with multiple databases. In a two-tier architecture, the client connects directly to the DBMS server and in a three-tier architecture, the client connects to an intermediate layer to connect to the DBMS server. In a two-tier architecture, the client connects to an intermediate layer to connect to the DBMS server, and in a three-tier architecture, the client connects directly to the DBMS. A two-tier architecture uses multiple computers with multiple databases, whereas a three-tier architecture uses a single computer with one database. QUESTION 12 Which of the following database functions would be performed using a Data Manipulation Language (DML)? Dropping a table from a database Shutting down a database Updating data in a database Creating a new table in a database QUESTION 13 Brittany just pulled up a database table with employee information that contains 50 records of employees at her company. Which of the following terms best fits what she sees? Architecture Operations Instances Schemas

Explanation / Answer

QUESTION 10:

As Lorena meets with bank tellers of the local bank to gather information on how they will going to use the DBMS, such resposibility of collecting inofrmation is the part of the job description of System Developer, as the above mentioned is part of gathering information about the system to be developed. THus, Lorena can be concluded to be as System Developer.

QUESTION 11

The characteristics, that defines the difference between two-tier and three-tier client-server architecture are:

The three-tier architecture allows an additional layer, that serves as

Advantages:

QUESTION 12

Data Manipulation Language (DML) in DBMS, allows the manipulation of the data already present in database,

This includes Updating data in a database

QUESTION 13

The employee information from database table, that contains 50 records of employees, can be describes as the best fit for Instances present in the database table.

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