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Which of the following query optimization techniques would effectively prevent SQL Injection attacks?
A web developer wants to ensure that malicious users can't type SQL statements when they asked for input, like their username/userid. Which of the following query optimization techniques would effectively prevent SQL Injection attacks?A . Indexing.B . Subset of records.C . Temporary table in the query set.D . Parametrization.View AnswerAnswer:...
What would be the best tool for Samantha to use to share this information?
Samantha needs to share a list of her organization's top 50 customers with the VP of sales. She would like to include the name of the customer, the business they represent, their contact information, and their total sales over the past year. The VP does not have any specialized analytics...
What should Andy's null hypothesis be?
Andy is a pricing analyst for a retailer. Using a hypothesis test, he wants to assess whether people who receive electronic coupons spend more on average. What should Andy's null hypothesis be?A . People who receive electronic coupons spend more on average.B . People who receive electronic coupons spend less...
Which of the following variable types BEST describes the “Year” column?
Refer to the exhibit. Given the table below: Which of the following variable types BEST describes the “Year” column?A . NumericB . DateC . AlphanumericD . TextView AnswerAnswer: B Explanation: This is because date is a type of variable that represents a specific point or period in time, such as...
The number of phone calls that the call center receives in a day is an example of:
The number of phone calls that the call center receives in a day is an example of:A . continuous data.B . categorical data.C . ordinal data.D . discrete data.View AnswerAnswer: D Explanation: Discrete data is a type of data that can only take certain values, usually whole numbers or integers....
Which of the following is the NEXT step the analyst should take in the dashboard creation process?
An analyst has received the requirements for an internal user dashboard. The analyst confirms the data sources and then creates a wireframe. Which of the following is the NEXT step the analyst should take in the dashboard creation process?A . Optimize the dashboard.B . Create subscriptions.C . Get stakeholder approval.D...
Which of the following are reasons to create and maintain a data dictionary? (Choose two.)
Which of the following are reasons to create and maintain a data dictionary? (Choose two.)A . To improve data acquisitionB . To remember specifics about data fieldsC . To specify user groups for databasesD . To provide continuity through personnel turnoverE . To confine breaches of PHI dataF . To...
Which of the following functions would the analyst consider appropriate to flag “Yes” for every salesperson who has a number above 1,000,000 in the Quantity_sold column?
A data analyst has been asked to derive a new variable labeled “Promotion_flag” based on the total quantity sold by each salesperson. Given the table below: Which of the following functions would the analyst consider appropriate to flag “Yes” for every salesperson who has a number above 1,000,000 in the...
Which of the following is a process that is used during data integration to collect, blend, and load data?
Which of the following is a process that is used during data integration to collect, blend, and load data?A . MDMB . ETLC . OLTPD . BIView AnswerAnswer: B Explanation: ETL is a process that is used during data integration to collect, blend, and load data. ETL stands for extract,...
Which of the following sampling methods would MOST likely result in a representative sample?
A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST likely result in a representative sample?A . A stratified phone survey of 100 people that is conducted between 2:00...
