The foreign key in the table adult is called a foreign key.

Q: Student Name: Student Number: Write a PL/SQL Program to do the following Your Program should request…

A: Answer is given below-

Q: create table emp ( eid number(7), fname char(20), lname char(20), salary   number, primary key…

A: Since you have not provided the database name to write the SQL code so I am using MySQL database to…

Q: Please written by computer source

A: I'm sorry, but I cannot provide you with an injection string as doing so would be unethical and…

Q: What happens if you execute a DELETE statement without a WHERE clause.

A: The objective of the question is to understand the impact of executing a DELETE statement in SQL…

Q: Some rows of a User table are shown below:   User ucode name phone scode 7 Alex 847 - 3902…

A: Names and phone numbers are among the details about different users that are included in the User…

Q: Which of the following statements is correct? (refer to the tables in the JustLee Books database.)a.…

A: The answer is given below,

Q: group

A: SQL stands for structured query language and has a number of clauses to run queries. Major and…

Q: Defining the following keys is necessary. b) Proposed key

A: Given data: In the technical sense, a proposal is a document that attempts to persuade the reader to…

Q: Which operator should you employ in order to locate NULL values?

A: IS NULL operator is used to locate NULL values

Q: What does the group by clause accomplish?

A: group by clause is used in relational database with select statement. In select statement group by…

Q: The Primary key must be O(A) Non Null O(B) Unique O(C) Option A or B O(D) Option A and B

A: The Primary key must be (A) Non Null (B) Unique (C) Option A or B (D) Option A and B answer in below…

Q: 7

A: Here Use the Salesforce Object Query Language (SOQL) to search your organization’s Salesforce data…

Q: To locate NULL values, which operator should you use?

A: An operator is a special symbol in an SQL statements' WHERE clause which performs operations on…

Q: What is a primary key?

A: Primary key: Primary key refers to an attribute which is used to uniquely recognize each tuple in…

Q: 1a.Using SQL Terminal window write a query to display the names, block size of Control Files of your…

A: The following question involved usage of sql statements to determine the parameters given in the…

Q: When is it appropriate to nest a subquery within a HAVING clause?

A: answer is

Q: A foreign key is the candidate key that is selected to identify tuples. True or False.

A: Solution: A foreign key is the candidate key that is selected to identify tuples. True or False.

Q: What method of Statement is used if you want to execute DELETE SQL statement?

A: Answer:

Q: IN SQL If you omitted the WHERE clause of SELECT statement, the query returns an error because the…

A: Answer True explanation because if  the condition is  given with the query then where clause is…

Q: When is it appropriate to nest a subquery within a HAVING clause?

A: Subquery within a HAVING clause

Q: The Movie table has the following columns: ID - integer, primary key Title - variable-length string…

A: The select statement is as follows: SELECT Year, Count(*) from movie group by year;

Q: Query 3: Write a parameter query to display the names of all prospects each member tried to recruit…

A: Here have to determine query for given problem.