Assume that a vector is defined as follows. What is the correct statement if we want to set the first element to 3? vector v; O v. push_back(3);

Q: In what situations is it necessary to add a GROUP BY clause in a query?

A: Group By clause is used when we have to group the data into groups.  It is used when we want to…

Q: The Book table has the following columns: ID Title Author Genre Year Price Complete the SELECT…

A: To complete the `SELECT` statement to select the year and the average price of books for that year,…

Q: LIST THE FIRST AND LAST NAMES OF ALL OWNERS WHO OWN A TWO-BEDROOM PROPERTY. USE THE IN OPERATOR IN…

A: Considering there are 2 tables:-  OWNER: which holds the OWNER_NUM, FIRST_NAME, and LAST_NAME…

Q: In which clause should you include the condition MAX(cost) > 39 to restrict groups displayed in…

A: The HAVING clause is used with the aggregated functions. examples of aggregated functions are sum,…

Q: What is the split-by clause, and when do we use it?

A: Ans.) The split-by clause is used to specify the columns of a table that help generate splits for…

Q: SOSL Query: Create a SOSL Query in salesforce to find the test keyword in the whole organization.…

A: Here we have to create an SOSL query in salesforce to find the test keyword. Here I have syntax for…

Q: Explain the difference between the WHERE and HAVING clause.

A: Where filters the record from the table. Having filter the record from the group. Where clause can…

Q: Please ask the fourth question in the next session

A: Introduction: ER diagram: Shows/defined the relationship/link of different objects/entities…

Q: Report the name of the customer who bought the most expensive product. sql

A: According to the information given:- We have to write query  in order to get the name of the…

Q: Q6) how much is the total customer balance ? Q7) what is the minimum price for each sale code?

A: SQL QUERY:  Select SUM(CUS_BALANCCE) AS [Sum of Balance] From Customer  Group by CUS_CODE.

Q: Display employees where the first name or last name starts with S. using sql plus hr user

A: To select data from a database,  SELECT statement are used. The data is saved in a result table…

Q: List the job title and maximum salary which the salaries are between $10,000 and $20,000. Use…

A: The objective of the question is to retrieve the job title and maximum salary from a database where…

Q: True or False Each column in a table must have a name.

A: Each column in a table must have a unique name. The entries within each column should match with…

Q: In how many ways can a 16-person club select a president, vice-president, and secretary from among…

A: There are 16 people to choose.in that 3 distinct persons to be selected.

Q: The HR department needs a report to display employee information as shown from the job_history…

A: SOLUTION- With using DATEDIFF - Below is the SQL query that you could use to generate the report:…

Q: In SQL, the WHERE clause to the SELECT statement states the criteria that must be met: Multiple…

A: EXPLANATION: SQL is a database language that allows you to store, manipulate, and retrieve data.…

Q: A) Write PI/SQL code to print the odd numbers in the range from 5 to 25 Answer

A: Given:

Q: please extend your answer

A: Race condition When two threads access a shared variable at the same moment, a race condition…

Q: What exactly is a sub procedure?

A: Sub procedures is a type of procedures

Q: When do we use the split-by clause and what does it mean?

A: Introduction: The split-by clause is used to specify which section of the list will be used to…

Q: Please how do i add a signup and login

A: In the realm of web development, incorporating user authentication is crucial for enhancing the user…

Q: PRODUCTS PID DESC PRICE SID QTY 801 Pencil 3 1 10 802 A4 6 2 15 803 Ballpen 4 2…

A: GIVEN: PRODUCTS PID DESC PRICE SID QTY 801 Pencil 3 1 10 802 A4 6…

Q: Write the SQL query to find all the place whose temperature is 38. SELECT place WHERE temperature…

A:

Q: department name information for those departments whose location_id is 1500

A: Attributes of Department Table are- department_id department_name employee_id location_id

Q: The first clause in a query is, O WHERE ORDER BY FROM All of these SELECT None of these

A: This question is related to SQL queries.

Q: Display the PID and average prices from the PRODUCTS table which price is less than the average…

A: Here we need to perform group by operation in the main query and use Having clause to select only…

Q: The following SQL clause(s) are not permitted to be used in a subquery in the WHERE or HAVING…

A: Multicolumn subqueries cannot use the <, >, <=, >= comparison operators.

Q: The PatientDim table contains a column, Name. which of the following SELECT clauses will make…

A: Alias for column or table: Alias indicates that create an duplicate name for the column where the…

Q: Write the following as MySQL query: Find the department name whose location (Country_ID) is DE. Use…

A: SQL, which stands for Structured Query Language, is a domain-specific programming language used for…

Q: What clause(s) are required in every SQL statement? SELECT ONLY ONE ANSWER. A) FROM B)SELECT and…

A: An SQL (Structured Query Language) statement is a command used to interact with a relational…

Q: 1. Display detail of all employees from Employee table. Answer: 2. Display name of employees, who…

A: The first three parts will be answered 1 To select all records from a table, SELECT along with *…

Operations of vector class

The vector class is available in Java and C++ programming languages. It is a class implementing a dynamic array. A dynamic array is an array whose size automatically increases when an element is added to it. The vector class stores elements in a contiguous memory block and assigns the memory to the elements whenever required during execution.