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Schema objects do not directly refer to the database's data; rather, they define the structure and organization of the database. Schema objects include tables, views, indexes, and procedures that describe how data is stored and accessed. While they are essential for managing and querying the data, the actual data resides within these defined structures. Thus, schema objects serve as the blueprint for the database's data organization.
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What is schema object of database?
We know that schema in the database is refer to the basic design of that database and is stored in an object . That object is known as schema object of database.
Is schema a logical structure or physical structure in oracle database?
the schema can be termed either conceptual or logical or physical. But mostly speaking, the term schema is used to refer to a logical structure.
What is a database schema?
A database schema is described in a formal language supported by the database management system (DBMS). In a relational database, the schema defines the tables, the fields in each table, and the relationships between fields and tables. Schemas are generally stored in a data dictionary. Although a schema is defined in text database language, the term is often used to refer to a graphical depiction of the database structure Levels of database schema 1. Conceptual schema, a map of concepts and their relationships 2. Logical schema, a map of entities and their attributes and relations 3. Physical schema, a particular implementation of a logical schema 4. Schema object, Oracle database object 5. Schema is the over all structure of the database
What data cannot store non homogenious data elements?
Non-homogeneous data elements, which refer to data of varying types or structures, cannot be effectively stored in traditional relational databases. These databases rely on a fixed schema that requires all entries in a given column to be of the same data type. In contrast, NoSQL databases, such as document stores or key-value stores, are designed to handle non-homogeneous data, allowing for more flexibility in data structure and type.
Demonstrative pronouns usually refer to objects rather than?
Demonstrative pronouns usually refer to objects rather than people.
Demonstrative pronouns usually refer to the objects rather than what?
Demonstrative pronouns typically refer to objects or things, such as "this," "that," "these," and "those," to point out or identify them. They do not generally refer to people or concepts.
What is the difference between SQL and file based databases?
SQL and "File Based Databases" can't really be compared directly as they refer to two different concepts. SQL is a language for querying databases. "File Based Databases" often refer to data storage that you manage through your own methods, rather than using a language like SQL to query and manipulate the data. For example, MySQL stores its data in files on the hard drive. To store and manipulate the data and its structure, you use SQL queries. MySQL takes care of the data behind the scenes, and provides methods for sorting and arranging the data returned to queries. You never deal directly with the files that MySQL uses to store the data.
Functions of schema?
The schema (pronounced skee-ma) of a database system is its structure described in a formal language supported by the database management system (DBMS). In a relational database, the schema defines the tables, the fields, relationships, views, indexes, packages, procedures, functions, queues, triggers, types, sequences, materialized views, synonyms, database links, directories, Java, XML schema's and other elements.Schema's are generally stored in a data dictionary. Although a schema is defined in text database language, the term is often used to refer to a graphical depiction of the database structure.Hope this helps!Inclus - We provide indivdual and coporate trainingsEducate, Learn & Servewww.Inclus.net
What effects of reformation is most obvious in the US government?
goverment documents are declared void if they refer to GOD directly
Pronouns that refer to inanimate objects are in what gender?
neuter
Is schema another name for a brain?
No, schema is a term used in psychology to refer to a cognitive framework that helps individuals organize and interpret information. It is not another name for a brain, but rather a mental structure that shapes our perceptions and responses to the world.
Difference between database schema and a database state in dbms?
The distinction between database schema and database state is very important. When we define a new database, we specify its database schema only to the DBMS. At this point, the corresponding database state is the empty state with no data. We get the initial state of the database when the database is first populated or loaded with the initial data. From then on, every time an update operation is applied to the database, we get another database state. At any point in time, the database has a current state. The DBMS is partly responsible for ensuring that every state of the database is a valid state-that is, a state that satisfies the structure and constraints specified in the schema. The DBMS stores the descriptions of the schema constructs and constraints-also called the meta-data-in the DBMS catalog so that DBMS software can refer to the schema whenever it needs to. The schema is sometimes called the intension, and a database state an extension of the schema.
