Learn SQL in One Day - Fast Track Your SQL Skills
25 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Match the following terms with their descriptions:

SQL = Language taught in the book Database queries = Task covered in the book Table creation = Process explained in the book Data manipulation = Concept discussed in the book

Match the following features with the book's approach:

'To-the-point' style = Presentation of concepts in the book Clear examples = Method used for explaining complex topics Immediate output = Benefit provided for testing examples Complete project guidance = Final task at the end of the book

Match the following statements with their explanations:

Learn SQL in one day = Book's promise to readers Examples for all concepts taught = Approach to learning SQL in the book Flow carefully planned for easy understanding = Book's organization strategy Application of all concepts in a project = Final challenge in the book

Match the following skills with their coverage in the book:

<p>Database creation = Task explained in detail Start coding immediately = Outcome after learning from the book Easily master SQL = Goal of using this book Follow along easily = Book's approach to teaching SQL</p> Signup and view all the answers

Match the following mathematical functions with their descriptions:

<p>ROUND = Rounds a number to a specified number of decimal places MOD = Returns the remainder of n divided by m SQRT = Returns the square root of a number</p> Signup and view all the answers

Match the following MySQL function examples with their correct results:

<p>SELECT ROUND(10.415, 1) = 10.4 SELECT MOD(12, 5) = 2 SELECT SQRT(25) = 5</p> Signup and view all the answers

Match the following functions with their descriptions:

<p>CONCAT = Concatenates multiple expressions into a single string FORMAT = Formats a number into a specific format with a certain number of decimal places</p> Signup and view all the answers

Match the following statements with their correct outcomes when using CONCAT:

<p>SELECT CONCAT('how', 'to', 'join', 'words'); = 'howtojoinwords' SELECT CONCAT('The result is ', 10+10); = 'The result is 20'</p> Signup and view all the answers

Match the following examples with the correct usage of the MOD function:

<p>12 MOD 5 = 2 18 % 5 = 3</p> Signup and view all the answers

Match the following statements with the correct explanation:

<p>MOD stands for modulus = Returns the remainder of division Use of MOD in an online store scenario = To control the number of rows displayed based on a fixed number per page</p> Signup and view all the answers

Match the following scenarios with their corresponding results when using CONCAT:

<p>SELECT CONCAT('any value', NULL); = NULL SELECT CONCAT('The number is ', 24); = 'The number is 24'</p> Signup and view all the answers

Match the following MySQL concatenation methods with their requirements:

<p>Placing strings next to each other = Each expression must be a string</p> Signup and view all the answers

Match the following statements with their correct outcomes when using FORMAT:

<p>15.3 - FORMAT = Formats a number into the specific format specified FORMAT( number, decimal_places ) = Rounds the number to the specified decimal places and returns the result as a string</p> Signup and view all the answers

Match the following descriptions with their corresponding functions in MySQL:

<p>If all expressions are nonbinary strings, it returns a nonbinary string. = CONCAT function It formats a number into the specific format desired. = FORMAT function</p> Signup and view all the answers

Match the following actions with their descriptions:

<p>Give an individual a mid-year raise = Increase their salary by 10% in the most recent year Calculate the average salary across all employees = In the most recent year in the database Create a Stored Procedure = To make calculations based on a parameter inputted as the year Determine employees who made more than the average salary = In the most recent year within each Title</p> Signup and view all the answers

Match the following skills with their application:

<p>MySQL knowledge = Applicable to many fields and disciplines Data-driven world participation = Understanding the role of data in everyday lives Powerful set of skills acquisition = Can be applied to personal projects or business Appreciation for data's role = Understanding of important concepts</p> Signup and view all the answers

Match the following requirement with its hint:

<p>Join and subquery needed = To determine employees making more than average salary within each Title Stored Procedure creation = For making calculations based on inputted parameter (year)</p> Signup and view all the answers

Match the following achievement with its significance:

<p>Impressive MySQL knowledge = Equipping yourself with fundamental skills Becoming part of data-driven world = Being involved in a revolutionary field</p> Signup and view all the answers

Match the following actions with their outcomes:

<p>Updating individual's salary by 10% = Giving them a mid-year raise Calculating average salary across all employees = Determining overall salary trend</p> Signup and view all the answers

Match the following functions with their descriptions:

<p>LEFT = Extracts a substring from a string starting from the left-most character RIGHT = Extracts a substring from a string starting from the right-most character CHARINDEX = Returns the position of a substring within a string LEN = Returns the length of the specified string</p> Signup and view all the answers

Match the following components with their roles in the LEFT function:

<p>string = The string that you wish to extract from number_of_characters = The number of characters to extract starting from the left-most character LEFT('Hello', 1) = 'H' LEFT('HelloThereGoodbyeNow', 10) = 'HelloThere'</p> Signup and view all the answers

Match the following components with their roles in the RIGHT function:

<p>string = The string that you wish to extract from number_of_characters = The number of characters to extract starting from the right-most character RIGHT('GoodbyeNow', 3) = 'Now' RIGHT('HelloThereGoodbyeNow', 100) = 'HelloThereGoodbyeNow'</p> Signup and view all the answers

Match the following SQL statements with their corresponding results:

<p>SELECT LEFT('Hello', 1); = 'H' SELECT LEFT('HelloThere', 5); = 'Hello' SELECT RIGHT('GoodbyeNow', 3); = 'Now' SELECT RIGHT('HelloThereGoodbyeNow', 10); = 'GoodbyeNow'</p> Signup and view all the answers

Match the following explanations with their corresponding functions:

<p>Extracts characters from the left side of a string = LEFT function Extracts characters from the right side of a string = RIGHT function Returns the position of a specified substring within a string = CHARINDEX function Returns the length of the specified string = LEN function</p> Signup and view all the answers

Match the following descriptions with their correct statements about exceeding characters:

<p>What is returned if number_of_characters exceeds the length of string in LEFT function? = string What is returned if number_of_characters exceeds the length of string in RIGHT function? = string Example: SELECT LEFT('HelloThereGoodbyeNow', 10); Result: 'HelloThere' = LEFT function Example: SELECT RIGHT('GoodbyeNow', 3); Result: 'Now' = RIGHT function</p> Signup and view all the answers

More Like This

SQL SELECT Clause Quiz
2 questions
SQL SELECT Clause Quiz
2 questions
SQL Chapter 7: Coding Subqueries
34 questions
Use Quizgecko on...
Browser
Browser