At ValidExamDumps, we consistently monitor updates to the CompTIA DA0-001 exam questions by CompTIA. Whenever our team identifies changes in the exam questions,exam objectives, exam focus areas or in exam requirements, We immediately update our exam questions for both PDF and online practice exams. This commitment ensures our customers always have access to the most current and accurate questions. By preparing with these actual questions, our customers can successfully pass the CompTIA Data+ Certification Exam exam on their first attempt without needing additional materials or study guides.
Other certification materials providers often include outdated or removed questions by CompTIA in their CompTIA DA0-001 exam. These outdated questions lead to customers failing their CompTIA Data+ Certification Exam exam. In contrast, we ensure our questions bank includes only precise and up-to-date questions, guaranteeing their presence in your actual exam. Our main priority is your success in the CompTIA DA0-001 exam, not profiting from selling obsolete exam questions in PDF or Online Practice Test.
A customer's telephone number is in the format 123-456-7890. Which of the following data types is used for the phone number?
A telephone number, despite being composed of digits, is not used for calculations and often includes formatting characters such as hyphens (-). Therefore, the most appropriate data type for a telephone number isText(orVARCHARin SQL databases), which can accommodate various formats and lengths, and preserve leading zeros that might be present in some phone numbers. Storing phone numbers as numeric data types would strip away any formatting and could lead to the loss of significant leading digits (like zeros in international numbers).
Booleanis a binary data type and only represents true or false values.
Dateis a data type used for dates.
Numbercould technically store phone numbers, but it is not suitable due to the reasons mentioned above.
Best Practices for Storing Phone Numbers1
Data Types in SQL for Phone Numbers2
Angela is aggregating data from CRM system with data from an employee system.
While performing an initial quality check, she realizes that her employee ID is not associated with her identifier in the CRM system.
What kind of issues is Angela facing?
Choose the best answer.
While this scenario describes a system integration challenge that can be solved with ETL or ELT, Angela is facing a Record linkage issue.
An analyst is compiling a series of reports for the new executive board to review. Which of the following elements provides a snapshot of what is contained in the reports for the executives who do not have time to focus on the details?
Observations and insights provide a concise summary of the key findings in a report. Executives, who often lack the time to analyze detailed datasets, benefit from these summarized interpretations, which highlight the most relevant trends, anomalies, and conclusions derived from the data.
Which of the following is an example of structured data?
A credit card number is an example of structured data, which is a type of data that conforms to a data model, has a well-defined structure, follows a consistent order, and can be easily accessed and used by a person or a computer program. A credit card number consists of 16 digits that are divided into four groups of four digits each, separated by spaces or hyphens. The first six digits indicate the issuer identification number, the next nine digits indicate the account number, and the last digit is a check digit that validates the number.A credit card number can be stored and processed in a structured format, such as a database or a spreadsheet1.
