in which of the following ways can SQL query result change when you to join to another table? A. The number of rows may increase. B . The number or rows may decrease. C. The number of available columns may increase. D. The number of available columns may decrease.

Q: Explain the following statement regarding SQL: Any query that can be written using the subquery…

A:

Q: Write SQL queries to answer the following questions:a. Which studen ts have an ID number that is…

A: SQL queries are given below

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: question 9 please use the picture below to answer the following question Write a SQL statement to…

A: Query: The below query is used to create a table named “new_Invoice” which is exactly the same as…

Q: Write a SQL query to count the number of orders that have a purchase amount greater than 1000

A: SUMMARY: - hence we discussed all the points

Q: Given the table customers which contains columns customer_id, first_name, last_name, and state, and…

A: SELECT C.LASTNAME, A.STATE, A.ZIP FROM CUSTOMER AS C INNER JOIN ADDRESS AS A on…

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: Write a query which set the following constraints in Customers table (in MySQL). First Name and…

A: We are going to add constraints to the columns in the table Customers. First we will add constraint…

Q: Database course:  Write SQL queries to do the following    A. List names of IT students.…

A: The SQL queries are given in step 2.

Q: How do I create a query that includes first name, last name, email and state for all customers and…

A: Query:-   SELECT first_name, last_name, email, state, CASE WHEN customer_type = 'Customer' THEN 'C'…

Q: reate a query that SELECT all of the EMPLOYEES from the EMPLOYEE TABLE that are Mangers.   Include…

A: SQL provides a standardized way to communicate with databases regardless of the specific RDBMS being…

Q: n SQL When you use ALTER TABLE to add a column, the new column: Select one: a. Will not be created…

A: ANSWER : B   Becomes the last column in the table

Q: When creating a table in SQL, you must specify whether the column is NULL or NOT NULL.   a. True…

A: SQL

Q: There are ten columns in the table "customer," yet there is no row. A total of 10 new rows are added…

A: TipA table is a list of connected data kept in a database in table format. A table in relational and…

Q: Write a function to find the average of salary for instructors. header of function…

A: create table instructor (    ID char(5),    name varchar(20) not null,    dept_name varchar(20),…

Q: the HR department needs the department name, manager first name, manager last name, and job title.…

A: SQL: SQL stands for Structuref Query Language. It is used to access and manipulate the database…

Q: SQL queries

A: According to the question, we need to write the SQL queries of the following questions: Write a…

Q: Write an appropriate SQL query to delete the following record from the STUDENTS table:…

A: Answer: We need to write the query for the delete the record from the table so we will see in the…

Q: Build the Students Table that is shown in the picture using python SQL hint: The SQL command to…

A: Since the table is stored in db, there is no output. I'll directly post python code.

Q: Write an SQL Query that will show the following attributes from theORDERS table: ORDER #, CUSTOMER…

A: “ORDER BY” Clause: SQL contains "ORDER BY” clause in order to sort rows. The values get sorted in…

Q: Write an SQL query that will show all order numbers in the Orders tablebetween 1002 and 1008

A: SQL query: Query to show all order numbers in the “Orders” table between 1002 and 1008 SELECT * FROM…

Q: Write a SQL query to calculate the total purchase amount of orders that have an even ID number

A: SQL Query are very useful to fetch the required data from database in the table form In this…

Q: D d. COMMIT nis clause in SQL join is based on all bles that have the same name.

A: ANSWER IS D   NATURAL JOIN

Q: question 6 please use the  picture below to answer the following question Write a SQL statement to…

A: Explanation: “UNIQUE” constraint is used to ensure that the column having different values. The…

Q: What SQL statement function is used to generate a column, where the value for the new column is…

A: A function is a set of SQL statements that perform a specific task. Functions foster code…

Q: Based on the following SQL statement: SELECT acct_id, balance FROM Account WHERE balance < 0 AND…

A: Number list = [12,9,2,5,-7,3]. Bubble sort: In bubble sort works by repeatedly swapping the adjacent…

Q: SQL SUM Problem    -SELECT * FROM [Sale Order] INNER JOIN Product ON [Sale Order] productID =…

A: Structured Query Language (SQL) is a programming language used to create, manipulate and query data…

Q: Write an SQL query using the ALTER TABLE and ADD operator to add anattribute named ORDERDATE with…

A: ALTER TABLE command: The ALTER TABLE command is used to add new columns, modify columns in an…

Q: Write the SQL code that will produce the same information that was shown in Problem 2, but sorted by…

A: Explanation: Join is a relational operation, which combines the data from two or more tables into…

Q: question 11 please use the picture below to answer the following question Write a SQL statement to…

A: Query: The below query is used to modify the InvoiceDate to today’s data for the customer ID 10.…

Q: How do we run a query for SQL table using a staging schema for the fact table planfactsupply

A: SQL is the simple query language which is used to Query a data easily out of many querying…

Q: Problem: Having created the table structure in Problem 1, write the SQL code to enter the first two…

A: The given problem deals with inserting the data in the database table using SQL INSERT query.

Q: Write an SQL query that will show all data from the Customers table andOrder By State.

A: SQL query: Query to select all the data from the “Customers” table order by “State” SELECT * FROM…

Q: In sql, how do you start adding a column to a table and allow it to update cascadae and delete…

A: Cascade feature in SQL provides parent-child relationship to the tables.  If a primary key in the…

Q: Write sql code for Use derived tables and joins to create a list of players who have scored more…

A: Fielding Table is not given but it is mentioned to consider same as other table. So, we can join all…

Q: SQL JOIN clauses are used to combine rows from two or more tables based on a related column between…

A: SQL JOIN clauses, which are essential to database administration, are the subject of the inquiry. It…

Q: The Car Maintenance team wants to insert and store the following maintenance types to the…

A: we have to use insert query to insert all the values- syntax - insert into &lt;table name&gt;…

Q: Write a SQL query to find the highest salary from the table Salaries(E_ID, E_Name, E_Post, Salary)

A: Given Table: Salaries(E_ID, E_Name, E_Post, Salary) Requirement: Find the highest salary from the…

Q: Write a PL/SQL Programming block to do below actions 2. Before you work on Quesiton 2 , please…

A: 1. Begin the PL/SQL block.2. Set up a loop from 1 to 10 using the FOR loop construct.3. Check if the…

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.