n SQL When you use ALTER TABLE to add a column, the new column: Select one: a. Will not be created because you cannot add a column after the table is created b. Becomes the last column in the table c. Can be placed by adding a GROUP BY clause d. Becomes the first column in the table

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: THIS MODULE IS ABOUT SUBQUERIES, SO YOU MUST USE SUBQUERIES INSTEAD OF TABLE JOINS IN THIS…

A: In SQL we use the sub queries along with the IN clause to get the set of records for which we need…

Q: SQL optimizer tries to convert queries with nested subqueries into a join operation for better…

A: Introduction to A SQL optimizer: A SQL optimizer is a program that modifies the structure of an SQL…

Q: Write the T-SQL scripts for the following tasks:   Write a query to select the employees whose…

A: Please refer to the following step for the complete solution of the problem above.

Q: In each question below, you will define a new table based on the following tables.

A: The SQL question involves creating tables and sentences based on parent-child relationships, dog…

Q: Write a SELECT statement that uses a correlated subquery to return one row per customer,…

A: SYNTAX - SELECT cust.first_name, cust.last_name, o.order_id, o.order_date, o.total_quantityFROM…

Q: the SQL code that will create the table structure for table: PRODUCT. Note: P_CODE is the Primary…

A: SQL Code: a) Create PRODUCT table BEGIN TRANSACTION; /* Create a table called JOBS */ CREATE TABLE…

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: True or False? An action query is accomplished by putting AS and an alternative name after the table…

A: We are given a statement in sql query and we are going to see if the statement is correct or not.

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: In SQL Code: Write code snippet to show how value from Bind Variable can be passed to a PL/SQL…

A:

Q: n sql, an associate array is a table that is associated with a / an

A: Associate array in SQL An associative array, also known as an index-by table, is said to be a set…

Q: statement can remove the definition of a table. alter table update drop table delete

A: SOLUTION: drop table statement can remove the definition of a table. The DROP table command is…

Q: IN SQL ** 1- Write a query clause to display the internal structure of the departments table, then…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost the remaining…

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: Which clause of a SQL Select statement is required if we want to display aggregate data by category…

A: Answer: 5) GROUP BY

Q: In SQL, what statement do you use to retrieve specific rows from a table in a database?

A: SELECT: The "SELECT" statement is been used for selecting rows from a database. All the fields…

Q: Use SQL Developer or Oracle Live SQL to write the appropriate SQL commands as follows: A) FUNCTION:…

A: A) : create function Return_region_name { @region_id num, } returns varchar as begin  (select name…

Q: Queries can be used within statement(s): update delete All of the answers Insert

A: A SQL is a Structured Query Language. It uses queries to create database and extract information…

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.