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How do you change the current Oracle schema?

Anonymous

∙ 15y ago

Updated: 11/8/2022

Alter session set current_schema=my_new_schema;

Wiki User

∙ 15y ago

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Related Questions

How can you determine current oracle schema?

select sys_context( 'userenv', 'current_schema' ) from dual;

What do you mean by logical schema in database?

tablespace,segment,extent,oracle blocks.. are the logical schema of a database

Why must create user in oracle todo your work in oracle?

A user in Oracle corresponds to a schema. Objects, such as table and indexes, must exist within a schema. Without creating a user/schema, use of the database will be limited to the built-in schemas and objects, such as the one-row DUAL table and standard PL/SQL packages.

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.

Difference between user and schema oracle?

Well, darling, in Oracle, a user is an account used to log in and access the database, while a schema is a collection of database objects (tables, views, etc.) associated with a particular user. So, think of a user as the key to the front door, and a schema as the fancy furniture and decor inside the house. You can have multiple schemas in a single user account, just like you can have multiple rooms in a house. Easy peasy lemon squeezy!

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 is independent?

Data independence is the ability to change the schema at one level of the database system without having to change the schema at the other levels.

What is the difference between schema and database?

Database schema are the logical structure of entities (tables or object classes) and their relationships (keys, or object associations) in a database. Schema can exist at different levels of abstraction (see: en.wikipedia.org/wiki/Database_schema). Schema themselves may or may not exist as such in a database. In general schema at the higher levels of abstraction are design models that are captured in printed documents, and authored by business analysts and database designers, rather than created by database programmers and stored in the database itself. But in some types of databases, schema at any level of abstaction can be realized physically. In Oracle databases, schema can be realized as schema objects, which are a part of an Oracle database. These schema objects may represent a human user's conceptual model of the knowledge captured in an enterprise database. Thus defined, there can be many schema that can be associated with one physical database. In other kinds of relational database, an abstract user's schema can be represented by logically linked metadata, views, and stored procedures assocated with a user class. In object-oriented databases, especially those based on the highly self-referential language Smalltalk (e.g. Gemstone/S), schema are realized as "physical" objects in the database as a matter of course, as well as in the logical models captured in design documents. The schema objects in such databases are, in essence, the classes comprising the infrastructure of the database or application. Oracle-style user schema are readily created; these would be realized as user interface orchestrator classes.

2.5 What is the difference between logical data independence and physical data independence?

The logical data independence is the ability to modify a logical schema without making external view or application program change. The physical data independence is the ability to modify a physical schema without making external view or application prrogram change.

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 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 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.

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