SQL

The schema above is the dimensional model for sale business process of Healthy Food Company. This company sales several types of healthy food on the internet. The company has two business requirements. First, the company would like to analyze daily quantity-on-hand inventory levels by products. In order to meet this requirement, I designed the dimensional model by using the periodic snapshot approach so the company could see the quantity-on-hand of each product at the end of the day. This…

The rule for first normal form (1NF) is a table in which the intersection of every column and record contains only one value. In other words a table that contains more than one atomic value in the intersection of one or more column for one or more records is not in 1NF. The non 1NF table can be converted to 1NF by restructuring original table by removing the column with the multi-values along with a copy of the primary key to create a new table. See Figure 8.4 for an example of this approach.…

functions such as storing, retrieving, adding, deleting, and modifying data A built-in user interface that carry the activity of obtaining information resource from a collection of information stored EXAMPLE Microsoft Access, MySQL, Oracle, and Microsoft SQL Server Web search engine ADVANTAGES -Controlling data redundancy -Data consistency -Data sharing -Data integration -Integrity constraints -Data atomicity -Database access language -Development of application -Creating forms -Report…

information of real-time events. The objective requires managing personal cognizant comportment for integrating vital information. The standard utilizer and application (APP) program interface to a relational database is the Structured Query Language (SQL) (Codd, 2003-2016). The APP retrieves and supplies the information from the graph table to structure the database (Haag, & Cummings, 2013). Therefore, the advantage to decipher information is an outline in light of the facts, which the…

Disadvantages: Hard to find expert user, poor monitoring tools Microsoft SQL server- According to the http://www.computerweekly.com/ it is the third biggest selling database eg TFL. According to the www.techwalla.com these are the advantages and disadvantages about MSQL: • Advantages- Enterprise-grade management software, excellent…

views and many more. When a database object is created, a new object type cannot be created because all the various object types created are restricted by the very nature, or source code, of the relational database model being used, such as Oracle, SQL Server or Access. What is being created is instances of the objects, such as a new table, an index on that table or a view on the same table. Their appropriate naming conventions are Tables:- Tables…

Database Driven Organisations To initiate about databases, they are valuable across the world by people as individuals or predominantly by businesses for various reasons in which I will evaluate below. The title derives from incorporating any amounts of data from small to large scaled into a base, a base is a foundation that brings this data into one area (usually software) for ease of access, management, processing and locating in an organised manner. Figure 1: Yell, (2016), Wok & Go Yell…

volume of data that needs to be scanned. When the query is too complex, the optimizer is no longer able to determine an optimal method and resorts to whole table scans to find the desired records, ignoring the indexing. A whole table scan on a moderate-sized table may take only seconds, but on the very large tables found in data warehouses, it can take several minutes. And when performing a complex query that involves many tables and many indices on those tables, whole table scans can force a…

Related Work: The problem of classifying objects in a relational database has been studied extensively within the multi-relational data mining community. There are two main approaches to deal with relational structure. The first approach is based on Inductive Logic Programming (ILP) to extend learning techniques so that they can handle relational data. On the other hand, the second approach, called Propositionalization, focuses on aggregating data in a single table so that traditional learning…

two sorts in DBA: They are Development DBA and Production DBA. 1. A Development DBA - more often than not works intimately with a group of engineers and gets more required in configuration choices, giving guidance on execution and composing great SQL. That can fulfill at a human level since you are a piece of a group and you share the fulfillment of the group 's achievements. 2. A Production DBA - is in charge of keeping up Databases inside an association, so it is an exceptionally…