Exhibit 6-1
the Following Table Is a View of BILLING_HOURS

question 103

Multiple Choice

Exhibit 6-1
The following table is a view of BILLING_HOURS from the various data elements in High-Tech Corp.'s relational database. $\begin{array}{|c|c|c|c|c|c|}\hline\text { I BILLING HOURS }& \text { Employee No } & \text { Clieat No } & \text { Date } & \text { Hours } & \text { Ballizug Rate } \\\hline &\text { B122 } & \text { F26768 } & 20010823 & 8 & 150 \\\hline &\text { A632 } & \text { F11555 } & 20010823 & 7 & 100 \\\hline& \text { B122 } & \text { F26768 } & 20010824 & 8 & 150 \\\hline& \text { A632 } & \text { F11555 } & 20010824 & 6 & 100 \\\hline& \text { B122 } & \text { F26768 } & 20010825 & 9 & 150 \\\hline &\text { A632 } & \text { F11555 } & 20010825 & 10 & 100 \\\hline\end{array}$


-Refer to Exhibit 6-1. Which of the following SQL statements would extract the employee number and date for every instance that had a billing rate of $150?

• A) SELECT Employee_No, Date
• FROM BILLING_HOURS
• WHERE Rate=150
• B) QUERY Employee_No, Date
• FROM BILLING_HOURS
• WHERE Rate=150
• C) SELECT Employee_No, Date
• WHERE Rate=150
• D) QUERY BILLING_HOURS
• SELECT Employee_No, Date
• WHERE Hours>8

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Definitions:

Empirical Evaluation

The process of using observation or experience-based data to assess the validity, effectiveness, or value of a concept, technique, or process.

Single-Subject Designs

Research designs focusing on the effect of an intervention on a single participant or subject, allowing for detailed observation of changes over time.

Baseline Scores

Initial measurements taken at the start of a study or project against which future scores or results can be compared.

Outcome Evaluation

A process of systematically assessing the results of a program or intervention to determine its effectiveness in achieving intended goals.