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What do you mean by logical schema in database?
tablespace,segment,extent,oracle blocks.. are the logical schema of a database
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
The meaning of Oracle is?
Oracle is relational DataBase
What is the difference between oracle and oracle?
Oracle is one of the popular database and DBA (DataBase Administrator) is the person who maintain the database (install oracle software, create,setup,maintain database)
Is the relational database an example of oracle database?
A relational database is a type of database design. Oracle is a brand of database. You can create a relational database using Oracle. You can also create relational databases using other database applications.
What type of database is Oracle?
Oracle is Relational database management System(RDBMS).
What is the difference between oracle exadata and oracle database?
Differences: Oracle Database Appliance is not Exadata. Exadata is a pre-configured combination of hardware and software that provides an infrastructure solely for running Oracle Database. Oracle Database Appliance (ODA) is an integrated highly available (HA) database and applications system in a single box. To learn more about data science please visit- Learnbay.co
What is the difference between oracle and oracle erp?
Oracle is a database corporation that has many products such as Database, BI and ERP
What is control file in oracle?
if maintain the database structure in six different location and we cannot change this file.
IS Oracle a database program?
Includes Oracle NoSQL Database, Oracle Multitenant, Oracle Real Application Clusters, Oracle Partitioning, Oracle Advanced Compression, Oracle OLAP, Oracle Machine Learning, Spatial and Graph, Database Lifecycle Management Pack, Oracle Enterprise Manager Control, and more To learn more about data science please visit- Learnbay.co.
Is PL or SQL is one of the version of oracle?
PL usually stands for a file extension for PERL. SQL is a database structure and querying LANGUAGE. Oracle is a software manufacturer that creates TOOLS for its own SQL database engines.
How do you load the data into oracle database to another database?
There are several different ways. If you are going between one Oracle database and another Oracle database you can create a database link. Another method would be an Oracle export to flat file and then a import to another database. This all depends on the type of database you are trying to load the data into.
