Can you write an SQL program that includes tables that classify different levels of college students based on their GPA?
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- Databases are used to store different kinds of data such as names, currency, text, graphics, etc. Determining the appropriate data type for each attribute is important for database performance, storage size, and conducting accurate analysis on databases. As with other programming languages, SQL supports many data types. However, you will mostly use two categories while writing SQL queries: Characters, and numbers. Consider the following standard SQL data types: Characters char varchar Numbers integer decimal float Different data types could be used for the same attribute. For example, both char and varchar could be used to store “names” in a database. Examine the attributes for the Characters and Numbers data types. Using specific examples, compare data types for each category. For example, why you should choose char rather than varchar or opposite?PATHS is a table that contains information about paths on a number line. The structure of PATHS is as follows, where x1 and x2 represent that there is a path from Coordinate x1 to Coordinate x2 (You can't move from Coordinate x2 to Coordinate x1 ). NAME ΤΥΡE NULLABLE X1 INT FALSE X2 INT FALSE Problem Please write an SQL statement that returns the beginning and end point of each path in PATHS . Sort them by the value of the beginning point in ascending order. Constraints • In the case where a direct path from Coordinate a to Coordinate b is available, no path from Coordinate b to Coordinate a will be given. |x1-x2| = 1 • No path will overlap with one another. Example Suppose that PATHS is as follows: x1 x2 1 2 2 3 4 7 7 6 This table can be visualized as follows: START END END START 7 8. 9 Therefore, your SQL statement must return the following: start end 1 4 8 6I am trying ro create this java program , i have the table in my tatabase. lam using postgresql ii don't know what to do. Here is the question Write a Java Program to simulate an interactive SQL interface like psql. It should allow the user to query and update the tables in the database. Make sure your program prints out the query result (with column headings) or the update status (e.g., the number of rows deleted/updated/inserted)
- What SQL data type is equivalent to the Integer data type in Visual Basic?Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update the…Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update…
- Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1Given is a Python program that connects to a sqlite database and has one table called writers with two columnns: name - the name of a writer num - the number of works the writer has written The writers table originally has the following data: name, num Jane Austen,6 Charles Dickens,20 Ernest Hemingway,9 Jack Kerouac,22 F. Scott Fitzgerald,8 Mary Shelley,7 Charlotte Bronte,5 Mark Twain,11 Agatha Christie,73 Ian Flemming,14 J.K. Rowling,14 Stephen King,54 Oscar Wilde,1 Update the Python program to ask the user if they want to update entries or add new entries. If the name entered already exists in the writers table then the database record is updated, overwriting the original contents. If the name does not exist in the writers table, then add a new record with the writer's name and number of works. The following TODO sections must be completed. Check if a writer exists in the writers table If the writer exists in the table, locate an entry to be updated by writer's name and update the…If I have a table in sql database phpmyadmin the table's column : ID Name Salary City 1 John 200 London 2 Eric 300 Paris 3 Michael 450 Milan in php we have to create dropdown menu show the names coming from the database when the user choose a name from the menu will show the salary for this person . one more thing there is no sumbit button , I mean when the user choose a name from the dropdown menu will show the salary without any click. would you help to create php code and javascript if it's needed.
- Develop a two small PL/SQL programs. 1. Enter students ID from the keyboard. The program then finds student's first name, last name and phone, stores them in variables and prints them on the screen. 2. Similar to the above, only this time the program will receive student's first name only (instead of student's ID)Then program finds full name and address and prints it on the screen. For both programs please implement NO_DATA_FOUND and TOO_MANY_ROWS exceptions. (please refer to chapter 8 in PL/SQL by Example book)For number 2 program, display a message "Possibly you have two or more students with the first name ...." in TOO_MANY_ROWS exception block.You are in charge of creating a small database for a store that sells goods so that it can keep track of its customers and their orders. Write an SQL statement to create a customer table containing the following information: Every customer has a unique ID, that should not be empty and set as the primary key The customer's first and last name that shouldn't be empty The phone number that shouldn't be empty The email, which could be empty. The address, which could be empty. Write a SQL statement to create the table Orders, which will keep track of customer orders, using the following information: Each order has a unique ID, which shouldn't be empty and should be set as the primary key. The customer's ID and should not be empty and assign it as the foreign key of the customer ID in table customer. The Items purchased by the customer and shouldn't be left empty. The amount of each item, and should not be empty The price of the items, and should not be emptyIn visual Basics, Write out the SQL that will Query a Database to perform the following functions: a.Create a table (Sales) in Database. b.Allows you to rename a column or a table. c.Change the structure of the table.