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Programming language is to develop an application where a database is a place at which we can store the data about any objects and a software which maintains this database is called DBMS.
A database holds records in files that are called tables. Each table has a specific key that defines that table and each master key is unique.
Entity means a specific thing in both database work and data modeling. An entity is data that can be classified, and has a relationship with other classified data, as in entities.
In a relational database, attributes are the characteristics or properties that describe entities in a table. Attributes are represented by columns in a table and hold specific pieces of data related to the entities. Each attribute has a data type that defines the kind of data it can store (e.g., integer, string, date).
A query is a database object that retrieves specific information from a database based on defined criteria. By creating and running a query in Microsoft Access, you can search for specific data, filter results, and generate reports that provide insight into the information stored in the database.
A record refers to a collection of related information about a specific entity in a database. Each record typically contains fields that represent different attributes or properties of the entity being stored.
In databases, properties are attributes or characteristics of database elements such as tables, columns, or indexes. They define specific settings or configurations that determine how the database or its elements behave. Properties can be used to control various aspects of data storage, retrieval, indexing, and performance within a database system.
In database design, a subtype is a specialized entity that inherits attributes and relationships from a higher-level entity called a supertype. Subtypes represent specific categories or types within a broader classification. The attributes and relationships unique to each subtype are represented in addition to those inherited from the supertype.
Attributes refer to the characteristics or properties that define an object, entity, or concept within a specific context. In various fields, such as programming, data analysis, and marketing, attributes can represent data points or features that provide essential information about the subject. For example, in a database, an attribute might be a column in a table that stores specific information about each record, such as a person's name or age. Overall, attributes help to categorize and describe entities, making them easier to analyze and understand.
Not in MS Access 2007. However it is a Database Design Language.
Yes, data elements are the smallest units of data that describe an entity in a database. They represent specific attributes or properties of the entity and are used to store and manipulate information about that entity.
Microsoft Access is a database management system that allows users to store, manage, and analyze large amounts of data. It provides tools for creating databases, designing forms, generating reports, and creating queries to extract specific information from the database. Access is commonly used for tracking inventory, managing customer information, and creating customized solutions for businesses.
In a relational database, each row is called a record. It represents a single entity or object, with each column containing specific attributes or properties of that entity. The combination of rows and columns form a table which allows for structured data storage and retrieval.
Field characteristics refer to the properties or attributes of a specific field in a database or dataset. These characteristics can include data type, length, format, constraints, and default values for the data stored in that field. Understanding field characteristics is important for designing database schemas and ensuring data integrity.
In database management, the keyword "index" is significant because it helps to optimize data retrieval by organizing and sorting data in a way that allows for faster search and retrieval operations. Indexing improves the efficiency of database queries by creating a structured reference point for locating specific data within a database.