Database Assignment Help | Database Homework Help
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What Is Database?
Database is the collection information organized in a systematic and logical manner so that it can be easily accessed, keep up-to-date and managed. There are different frameworks and models that have come into force to put the collected data in a realistic way. Two key examples of database include - relational and object-oriented database. Management of data is carried out with the help of computer programs. These programs are called as Database Management systems. For instance, if you want to run any test on massive dataset, then DBMS tools can be used to fulfill this need. Examples of two key DBMS tools include SQL and Oracle. Database management is all about user interacting with the database to carry out certain operations. There are many companies which are working hard to manage their valuable asset, i.e., data. The best example that explains it well is Google, which has trillions of pages in its database, but you would be able to fetch the required information with just a single query. This is all made possible by using effective database management tools along with data structure.
Database is categorized into different types. There include - bibliographic, full-text, numeric and images. Our assignment service will help students not just get the assignment done on various concepts of database management, but the same can be used to enhance their understanding about the subject. The database management system will store, manage and retrieve the information whenever required using tables. The best analogy to explain this is using Microsoft excel sheet that contains grids. The table in the relational database comprises of both rows and columns. Each column has a different attribute and each row comprises of a record. The record will hold data, be it telephone number or the name of the person. There is massive data piled up for years and every company would need a robust database which can handle huge chunks of this data safely. Many businesses would carry out their business operations using data. The best part of the database is to retrieve and use the data whenever required. There is no point in having a database when you cannot fetch the data at a brisk pace.
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A database is similar to a library where books are stored in a logical way. Few of the database models that are used by many companies include:
Flat model : This is the simplest and best model that uses a single row and a column to store data.
Hierarchical data : In this type of data model, you can see the data that are arranged in tree model where each trunk has multiple branches. To be precise, a parent can have many children, but children can have only one parent.
Network database model : This type of database model will adapt many approaches where a parent can have many children and children can have many more than one parent.
Relational database : This is a one-to-one relational model. In this type of model, data is presented in the table that comprises of rows and columns.
Key Database Assignment Help Topics
We offer database help to high school, degree and postgraduate students globally. Some of the topics on which our database homework help expertshold in-depth experience and knowledge include:
UML assignment help:
UML full form is Unified Modeling Language. This is used by software engineers to have a clear idea about the system structure and break the application processes. If you need assistance in writing UML assignment related to the database, then our DBMS experts are available for you round the clock. Students who are taking up part time jobs or missed few important database classes find it difficult to write UML assignment when the deadline is impending. You can place an order with us and we deliver it swiftly without comprising on the quality.
Database design :
If you want the pending database design assignment to be done, we are just a few clicks away. The complicated design standards and information specifications are challenging for a student to understand and do the assignment. We offer quality and reliable database project help to students at pocket-friendly rates.
Distributed database :
Distributed database is a kind of data storage system that comprises of many storage units. The data that is stored at one place can be easily distributed to multiple computers connected on the network. The database can be set up on LAN, MAN and SAN. If you need help in writing database assignment on distributed database topic, then our Database assignment help experts provide you with the best writing aid.
Data structure :
Students who are in their first and second year of computer science degree find hard to complete the assignment on data structure. There is no hesitation in seeking the help of our database assignment experts.
MySQL database :
MySQL topics are practical and one needs to practice a lot to complete this assignment and also need to watch YouTube videos to compose the assignment. Instead of getting stuck using your obsolete database textbook, hire our database homework help experts to get the assignment done immaculately.
Different Types Of Database Reviews
Our Database helpers have helped students across UK, USA and Australia with their database reviews
- Conceptual Design review : This type of review is performed in the starting phase of data and application proposal level. This will verify the data and application thoroughly.
- Logical Design review : All the elements such as descriptions, relationships and data elements are reviewed thoroughly and then compared with the corporate data model.
- Physical design review : The whole database is reviewed thoroughly to make sure that all the database settings are proper and perfect physical design choices are made. This also makes sure that the logical model is clearly translated into the physical database.
- Organizational Design review : This will analyze the application from both the perspective of business and technology.
- SQL as well as Application Code review : The SQL statements executed in the application are reviewed stringently.
- Pre-implementation design review : Review all the system components thoroughly before implementing them.
- Post-implementation design review : Review both the application and database once it pushed into the production to make sure that the application is meeting all the desired objectives of the client.
Quality and Affordable Database Assignment Help
We are catering the database project help services to the students across the US, UK, Canada, Australia and other parts of the globe. Our main motto is to de-stress students from the burden of assignments by offering timely support. We help students to score good grades by submitting 100% original and authentic assignment that is well-researched and well-structured. Our programming assignment help tutors backed by real-time experience and degree from prestigious institutions provide the best possible support to students.
Why Students Avail Our Database Assignment Help?
We have emerged as the best database assignment help service providers and stood out in the masses offered flawless assignments that are expected by students. Our unique features that grab the attention of students include:
Round the clock customer support : We deliver the assignment on short notice too. Our support team will lend their hand from ordering to delivering and make the whole process a breeze.
Free revisions : If you feel that the assignment solutions are not per requirements, you can send the paper for revisions. We revise until you are happy with the outcome. We make sure to submit the paper perfectly in the first attempt itself.
Timely delivery : Deadlines intimidate our writers. However, they never miss to submit the assignment on time. If your paper due for next day, you can hire us.
|Flat Model||Hierarchical Model|
|Network Database Model||Relational Database|
|SQL,MySQL, SQL Server||Oracle Database|
|ER Diagram||Query Processing|
|Big Data Hadoop||Data models Entity-relationship|
|Data Mining||Data Warehousing|
|Database Planning||Database Security|
|Object Technology and DBMS||Database Management with Access|
|Distributed Databases||Data Structures|
|Decision Support Systems||Multimedia Databases|
|Mobile Databases||Digital Libraries|
Database Assignment Solution Example
Question: Database for a theme park - You must create a SQL Script
/* Name: StudentABCD - 10000010 Project 1 PantherID: Semester: */ -- All your project will create the objects under your own personal database that you will create. -- Your personal database should have the following name format: -- First Four letters of last name + underscore + First Name Initial + PantherId Use StudentABCD_10000010 GO /* STEP 1: Create the tables */ -- The Job table CREATE TABLE Job( jobCode char(4) not null, jobDesc varchar(50) null, CONSTRAINT PK_JobCode PRIMARY KEY (jobCode), CONSTRAINT JOB_JOBCODE CHECK ( jobCode = 'CAST' OR jobCode = 'ENGI' OR jobCode = 'INSP' OR jobCode = 'PMGR' ) ); GO -- The Employee table CREATE TABLE Employee( empNumber char(8) not null, firstName varchar(25) null, lastName varchar(25) null, ssn char(9) null, address varchar(50) null, state char(2) null, zip char(5) null, jobCode char(4) null, dateOfBirth date null, certification bit null, salary money null, CONSTRAINT PK_EmpNumber PRIMARY KEY (empNumber), CONSTRAINT FK_JOB FOREIGN KEY (jobCode) REFERENCES Job(jobCode), CONSTRAINT EMP_STATECHECK CHECK ( state = 'CA' OR state = 'FL' ) ); GO /* Step 2: Insert the data */ -- Insert the Job table first Insert into Job values ('CAST', 'Cast Memeber'); Insert into Job values ('ENGI', 'Engineer'); Insert into Job values ('INSP', 'Inspector'); Insert into Job values ('PMGR', 'Project Manager'); -- Insert the employee Insert into Employee values ( '12345678', 'Michal', 'Nguyen', '111111111', '8956 Campfire Street Norfolk', 'VA', '23503', 'PMGR', '1-30-1990', '1', '160000.00' ); Insert into Employee values ( '42378423', 'Marry', 'John', '222222222', '59 Vernon Court Independence', 'KY', '41051', 'ENGI', '10-25-1990', '1', '80000.00' ); Insert into Employee values ( '75834658', 'StudentABCD', 'Kyle', '333333333', '147 Bank Circle Oxnard', 'CA', '93035', 'CAST', '01-20-1991', '0', '35000.00' ); GO /* Step 3: Create Views */ -- This View will show the empNumber, firstName, lastName and jobDesc of the employees who are engineers and have a certification value of 1. CREATE VIEW vw_CertifiedEngineers AS SELECT empNumber, firstName, lastName, jobDesc FROM Employee, Job WHERE Employee.jobCode = 'ENGI' AND certification = 1; GO -- This View will show the empNumber, firstName and lastName of those employees who are over 62 CREATE VIEW vw_ReadyToRetire AS SELECT empNumber, firstName, lastName FROM Employee WHERE DateDiff( year, dateOfBirth, GETDATE() ) > 62; GO -- This view will show the average salary and the employee jobcode grouped per the different job codes. CREATE VIEW vw_EmployeeAvgSalary AS SELECT AVG(salary) as AvgSalary, jobCode FROM Employee group by jobCode; GO /* Step 4: Add indexes */ -- Index LastName CREATE INDEX IDX_LastName ON Employee (lastName); GO -- Index SSN CREATE INDEX IDX_ssn ON Employee (ssn); GO /* Step 5: Verify Objects */ -- Run script Project1Verifier
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