Difference Between ORACLE Dataguard and Real Application Cluster (RAC)
ORACLE Dataguard vs Real Application Cluster (RAC) RAC and Data guard are very important topics in Oracle High Availability. Both of these architectures have many enhancements in Oracle 11gR2 than...
View ArticleDifference Between ORACLE Export (exp) and Datapump (expdp)
ORACLE Export (exp) vs Datapump (expdp) ORACLE provides two external utilities to transfer database objects from one database to another database. Traditional exports (exp /imp) are introduced before...
View ArticleDifference Between BCNF and 4NF (4th Normalization)
BCNF vs 4NF (4th Normalization) Database normalization is a technique, which is dealing with relational database management systems. Data errors can be avoided in a well normalized database....
View ArticleDifference Between Oracle Standard Edition (SE) and Enterprise Edition (EE)
Oracle Standard Edition (SE) vs Enterprise Edition (EE) ORACLE database products are in five different editions. Each of these editions has a set of features related to performance, availability,...
View ArticleDifference Between NETCA and DBCA
NETCA vs DBCA In ORACLE, there are configuration assistants for separate tasks. NETCA and DBCA are two of the very important assistants. These assistants are Graphical User Interfaces (GUIs), which...
View ArticleDifference Between Logical and Physical Data Model
Logical vs Physical Data Model Before discussing the difference between logical and physical data model, we must know what a data model is. A data model is a representation that describes the data...
View ArticleDifference Between Varchar and Nvarchar
Varchar vs Nvarchar The difference between varchar and nvarchar indicates how data are stored in a database. A database system consists of data and data is defined by data types. A data type tells...
View ArticleDifference Between Primary Key and Candidate Key
Primary Key vs Candidate Key Though primary key is selected from the candidate keys there exist some difference between the primary key and the other candidate keys, which will be discussed in detail...
View ArticleDifference Between Database and Data Warehouse
Database vs Data Warehouse The basis for the difference between a database and a data warehouse arises from the fact that a data warehouse is a type of database that is used for data analysis. A...
View ArticleDifference Between Char and Varchar
Char vs Varchar Char and Varchar are commonly used character data types in the database system that look similar though there are differences between them when it comes to storage requirements. In...
View ArticleDifference Between Clustering and Classification
Key Difference – Clustering vs Classification Though clustering and classification appear to be similar processes, there is a difference between them based on their meaning. In the data mining world,...
View ArticleDifference Between Insertion Sort and Selection Sort
Key Difference – Insertion Sort vs Selection Sort Insertion sort and selection sort are two sorting algorithms used to sort a collection of data. Sometimes it is necessary to arrange data in a...
View ArticleDifference Between Binary Tree and Binary Search Tree
Key Difference – Binary Tree vs Binary Search Tree A data structure is a systematic way to organize data to use it efficiently. Arranging the data using the data structure should reduce the running...
View ArticleDifference Between ArrayList and LinkedList
Key Difference – ArrayList vs LinkedList Collections are useful for storing data. In a normal array, the array size is fixed. Sometimes it is required to create arrays that can grow as needed....
View ArticleDifference Between where and having clause in SQL
Key Difference – where vs having clause in SQL Data is important for every organization. Therefore, it is necessary to store the data in an organized way to retrieve them. The data is stored in...
View ArticleDifference Between Clustered and Nonclustered Index
Key Difference – Clustered vs Nonclustered Index In a relational database, the data is stored in tables. These tables are related to each other using constraints such as foreign keys. A database...
View ArticleDifference Between Classification and Prediction
Key Difference – Classification vs Prediction Classification and predication are two terms associated with data mining. Data is important to almost all the organization to increase profits and to...
View ArticleDifference Between DTD and XSD
Key Difference – DTD vs XSD DTD and XSD are related to XML, which is used for data transfer among its several functions. Most applications require data transfer. When the client machine requires...
View ArticleDifference Between ER and EER Diagram
Key Difference – ER vs EER Diagram The key difference between ER and EER diagram is that the ER diagram is a visual representation of data based on ER model, and it describes how entities are related...
View ArticleDifference Between Generalization and Specialization in DBMS
Key Difference – Generalization vs Specialization in DBMS The key difference between Generalization and Specialization in DBMS is that Generalization is the process of combining lower level entities...
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