Activity 7: Sorting Data Using ORDER BY In this activity you will sort rows by using the ORDER BY clause Tasks 1. Display all fields for each of the records in ascending order for the following tables: a) AD STUDENTS ordered by REG_YEAR b) AD_EXAM_RESULTS ordered by STUDENT_ID and COURSE_ID c) AD STUDENT ATTENDANCE ordered by STUDENT_ID d) AD_DEPARTMENTS ordered by the department ID 2. Display the percentage of days students have taken days off and sort the records based on the percentage calculated. 3. Display the top 5 students based on exam grade results. 4. Display the parent details ordered by the parent ID.
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.
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