Database design matters because it is essential for building software applications that are scalable and capable of performing during high workload. Logical database design 2 1 er modeling conceptual design 2 2 view integration of multiple er models 2 3 transformation of the er model to sql tables 2 4 normalization of sql tables up to 3nf or bcnf result.
A database language may also incorporate features like.
Database design applications sample question. Q 1 what do you understand by database. Get an impression of what is required for a written solution to be. See the license txt file in the root.
Given below is a list of most popular database interview questions and answers for your reference. These sample questions will make you very familiar with both the type and the difficulty level of the questions on the 98 364 certification test. Database is an organized collection of related data where the data is stored and organized to serve some specific purpose.
Global database schema transformed to table definitions 3. Eventually i would like to display the results of the user versus the previous users results. Physical database design index selection access methods.
Check your own solutions against. To get familiar with real exam environment we suggest you try our sample. Dbms specific configuration and management of storage engine computations to modification of query results by computations like summing counting averaging grouping sorting and cross referencing constraint enforcement application programming interface 7 what do database languages do.
Before beginning to answer a question be sure to read it carefully and to answer all parts of every question. Wideworldimporters wwi is a sample database that showcases database design using current features tools and design techniques. Collection of database exam solutions rasmus pagh october 19 2011 this is a supplement to the collection of database exams used in the course introduction to database design which includes answers.
This is the reference database referred to in some of the questions. Most popular database interview questions and answers. You should read through the exam quickly and plan your time management accordingly.
The idea is that it can be used to. The samples and templates are all licensed under the mit license. The purpose of this sample question set is to provide you with information about the microsoft database fundamentals exam.
As special purpose languages they have. To work on database design it is important to. My problem is i don t know how to design a database that will record the results of a basic quiz i want just 5 multiple choice problems.
If you could help me understand how to design table s for a 5 question quiz i d appreciate it.