0
What else can I help you with?
Difference between schema sub schema and instance in DBMS in detail?
the overall logical data base description is referred to as a schema. it is sometimes also referred to as an overall modal of the data, a conceptual modal of the data, a conceptual schema
Data base state vs database schema?
The database schema is the description of the database. It defines how the database is set up and what data it is to contain and control. This description is given to the DBMS to manage the data. The database state is an image of how the database looks at any given time. The database schema is set unless you change how the database is structured. The database state will change whenever new data is entered into the database and the database is updated.
What is schema?
Network+ Schema - the description of object types, or classes, and their required and optional attributes that are stored in an NOSs directory A schema is a conception perceived across all the members of a class.
How do you change the current Oracle schema?
Alter session set current_schema=my_new_schema;
Use schema in a sentence?
Search Engine: In an effort to improve search engines' comprehension of the attributes and details of our products, we added schema markup to our product pages. Psychology: Based on their personal experience, the child's schema for a dog is established. Scientific Computing: Patterns in the data set are found by the machine learning algorithm by using a sophisticated schema.
What is star flake schema?
A starflake schema is a combination of a star schema and a snowflake schema. Starflake schemas are snowflake schemas where only some of the dimension tables have been denormalized. hardkingofflirt@gmail.com
What is xml schema?
XML Schema is an XML-based alternative to DTD.An XML schema describes the structure of an XML document.The XML Schema language is also referred to as XML Schema Definition (XSD).An XML schema is a description of a type of XML document, typically expressed in terms of constraints on the structure and content of documents of that type, above and beyond the basic syntactical constraints imposed by XML itself.
What is schema and sub-schema?
The schema is the physical arrangement of the data as it appears in the DBMS. The subschema is the logical view of the data as it appears to the application program.
Explain the three schema architecture of DBMS?
Physical schema,logical schema and sub schemas
What is perceptual set and schema?
A Perceptual Set is a term in Psychology used in perception. It is our mental predisposition and it greatly influences our perception. It is also hard to see the truth once your perceptual set is established. Whereas, a schema is a mental representation of what a situation or object is.
Difference between catalog and schema?
A catalog is a set of tables which contains the definitions or descriptions of the database structure and its constraints. For example it could store the structure of each file +Type and Format of each data item stored in the file. A catalog is a type of schema and a schema is what defines a data elements and their interrelationships.
What part of speech is the word schema?
Schema is a noun.
