Which statement it true about the following table? Author_ID Author_Name Book_ID Book_Title 1 Author1 101 Book A 1 Author1 102 Book B 2 Author2 103 Book C 3 Author3 104 Book D 3 Author3 105 Book E     Table is in 2nf but not 3nf   Table breaks rules of normalization   Table is in 4nf   Not sure. I need to go ask IT.

Q: Alter the INVOICE_LINE table by adding the INVOICE_NUM column as a foreign key referencing the…

A: Alter table : used to modify column, add column/columns, add constraints, drop column, rename, drop…

Q: Task 6: Add the following record to the OWNER table: INSERT INTO OWNER VALUES('SA100', 'Sam',…

A: Attached the Procedure to add the following record to the OWNER table:   INSERT INTO OWNER…

Q: this code is not working. please help by fixing the code so it creates a table  CREATE TABLE INVOICE…

A: The provided SQL statement is intended to create a table named INVOICE with three columns:…

Q: plz help fix the following use oracle  plz create table volunteer( Vol_ID int NOT NULL, name…

A: Problem: Fixing the given query in Oracle.

Q: Make a list of authors and books they wrote, using book ISBN number only, sort by author# or…

A: Queries are used to fetch the data from the database. Many keywords are used to carry out this.…

Q: Create a table named 'EMPLOYEE' with the required fields (empno int, first_name varchar(16),…

A: I have provided a detailed answer in the Explanation section.Explanation:Here are the SQL queries to…

Q: Alter the given table by adding new column of "Job" in it and assign the sequence values to the…

A: Objective: Given a relation that stores record about employees along with attributes EMPLOYEE_ID,…

Q: Question 15 Suppose that you have the following table created as: CREATE TABLE TAB1 (NAME VARCHAR2…

A: For this question we can decompose the name by using parsename. Parsename will decompose a full name…

Q: i am still receiving the following error ERROR 1072 (42000) at line 9: Key column 'phone_id'…

A: Answer for the issue has been given below with explanation

Q: Create the ADD_INVOICE procedure to add rows to the INVOICE table. (

A: A SQL Procedure is created by writing the keyword "CREATE PROCEDURE" then procedure name i.e.,…

Q: Refer to the CREATE TABLE statement: CREATE TABLE Country ( ); Name VARCHAR (50), Population INT,…

A: The question is asking to complete an SQL INSERT INTO statement to add a new row into the 'Country'…

Q: Can you break this down for me please?

A: This question comes from SQL Query is a topic in Computer Science.In this question we are going to…

Q: The Colombia City office of StayWell indicated that there is a new tenant by the name of Yigit…

A: Here, the new record has to be added to a table and this process is called as Insertion and the…

Q: Which of these is more important, Primary Key or Unique? In the JustLee Books database, you may look…

A: Given: We  need to  explain  about  Primary key   and unique key.

SQL

SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.  

Queries

A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.