Answer Posted / fahad farooqi-student of softw
Object Query Language (OQL) is a query language standard
for object-oriented databases modelled after SQL. It
supports object referencing within tables. Objects can be
nested within objects. OQL can perform mathematical
computations within OQL statements.
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
How does non-cluster index functions?
What is ase database?
Explain buffer manager?
HOW PASS PARAMETERS FOLLOWING ORDER RPG-CL-RPG?
Give the syntax of exception handling used in DBMS?
How to fetch/retrieve the data from hieranchical database and put it into the relational database? for e.g I want to extract the data from IMS DB2 database which is a hierarchical db and load that data into the relational database which is a SQL server.Are there any tools available for directing extracting data from hierarchical db and loading into the relational database (SQL server)?
What is database bounce?
What is the advantage of varchar2 over char?
Data structure used to implements a menu:
london school of science and technology has a software development unit,known as lsst solutions,which is responsible for developing and implementing software throughout the collegejames tristan keeps a record of all student details in the college including student id,name,and start date and phone number.There are many courses offered by LSST. For example MBA, MSc, BSc, BABS, DF, English etc. Each course id identified by course id, description, duration. Each course has many semesters. Each semester takes place during a particular term. Semester details and term details are required to be stored in the database. Each course has many subjects and same subject may be offered in many courses. For each subject many details such as Subject code, name, result and attendance are required to be stored. Every subject has mainly two assessments; one assignment and one exam. Assignment is worth of 30% and exam 70% respectively. You have been appointed as a database designer. Your job is to provide ERD with all possible entities and relationships. Note: Feel free to make necessary assumptions 3: Assignment Tasks. 1. Create an ERD for the above problem 2. Translate the ERD to Relational Data model (RDM) 3. Implement the RDM by creating the tables 4. Populate the database with your own data. 5. SQL Queries for the following tasks a. List all student details in each course along with course details b. Count and display number of students in each course. c. List student name, course name, assessment description, marks for all students.
Is it good to store images in database?
What is a database example?
What are the advantages of normalizing a database.
What is the difference between primary key, foreign key and candidate key?
What is odm database?
