database showing students who have taken at least one course

How to get the number of students enrolled in a course?

Implement a query to get a list of all students and how many courses each student is enrolled in. Implement a query that shows the number of full-time and part-time students A full-time student is enrolled in at least 4 courses. A part-time student is enrolled in at least 1 course, but no more than 3.

What do 12-month data tell us about online learning?

Jennifer Mathes, CEO of the Online Learning Consortium, a nonprofit association focused on best practices for quality online learning, said the 12-month data are important for accreditors and others trying to ensure online learning is delivering what students need to be successful.

How many students actually take online courses this year?

The analysis, first conducted by the ed-tech consultant and blogger Phil Hill, shows that based on 12-month reporting -- which the Department of Education’s Integrated Postsecondary Education Data System only recently began collecting for distance learning -- 51.8 percent of students took at least one online course in 2019-20.

How to retrieve student ID's and student names in a database?

Consider the Student database schema given below. 1. Write SQL to Retrieve student id's and student names of students that passed at least one course with a grade better than B+ (i.e., A‐, A, or A+). Avoid duplicates. 2. Use relational algebra to Retrieve student id's and student names of students that passed at least one course

What will be the query to display the courses in which number of students enrolled is more than 5?

To get the number of students who are registered for more than 5 courses you do this... SELECT COUNT(*) FROM REGISTRATION WHERE SEMESTER = 'GIVEN SEMESTER' GROUP BY CAMPUS, STUDENT_ID HAVING COUNT(*) > 5; You need to group by campus AND student id since student id is repeated for different campuses.

How do I create a SQL database for students?

SolutionCreating student table. ... Describe the structure of the table. ... Insert few records into student table. ... Add column to the student table (that is phone_no). ... Modify the column name of phone_no to student_no. ... Rename the table name to student_info. ... Delete any records from the table.

Which of the following query will find all unique students who have taken more than one course?

Q6) Which of the following query will find all the unique students who have taken more than one course? Option D would be a right option. This query will first apply self join on enrolled table and then it evaluate the condition e1. sid = e2.

How will you retrieve all the data from the students table?

SELECT statements An SQL SELECT statement retrieves records from a database table according to clauses (for example, FROM and WHERE ) that specify criteria. The syntax is: SELECT column1, column2 FROM table1, table2 WHERE column2='value';

How do you create a student information table?

SQL CREATE TABLE StatementCREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype, ... Example. CREATE TABLE Persons ( PersonID int, ... CREATE TABLE new_table_name AS. SELECT column1, column2,... FROM existing_table_name. ... Example. CREATE TABLE TestTable AS. SELECT customername, contactname.

How do I create a database table?

Create a new table in a new databaseClick File > New, and then select Blank desktop database.In the File Name box, type a file name for the new database.To browse to a different location and save the database, click the folder icon.Click Create.

Can you count distinct in SQL?

To count the number of different values that are stored in a given column, you simply need to designate the column you pass in to the COUNT function as DISTINCT . When given a column, COUNT returns the number of values in that column. Combining this with DISTINCT returns only the number of unique (and non-NULL) values.

How do I count distinct records in SQL?

Syntax. SELECT COUNT(DISTINCT column) FROM table; This statement would count all the unique entries of the attribute column in the table . DISTINCT ensures that repeated entries are only counted once.

How do you write a query in a database?

How to Create a SQL StatementStart your query with the select statement. select [all | distinct] ... Add field names you want to display. field1 [,field2, 3, 4, etc.] ... Add your statement clause(s) or selection criteria. Required: ... Review your select statement. Here's a sample statement:

How do you pull information from a database?

1. Use phpMyAdminLoad your phpMyAdmin.Select the database to export.Click on the Export tab.Select the Custom option to have complete control of the data your export.Specify the destination file on your computer.Click Save, and the export process will start.

How can we retrieve data from database?

In order to retrieve the desired data the user present a set of criteria by a query. Then the DBMS selects the demanded data from the database. The retrieved data may be stored in a file, printed, or viewed on the screen. A query language, such as Structured Query Language (SQL), is used to prepare the queries.

Which SQL command is used to display records from database?

question. The SELECT command is used to select data from a database. The information is kept in a section called the result-set.

The Challenge

Given the database tables below, use your SQL skills to answer as many of the questions that follow.

Solutions

There are multiple ways to write the SQL queries that answer this challenge’s questions, so they may not exactly match your own. Here are my answers to the questions. Check out the solutions Gist, if you prefer to view them there.

Most Popular

The previous practice of only counting students in online classes who were enrolled at the time of IPEDS’s annual fall census understated the true number of distance education learners, Hill said.

Browse Faculty Jobs

We have retired comments and introduced Letters to the Editor. Letters may be sent to [email protected].