How do I know the size of my schema?

How do I know the size of my schema?

select OWNER,sum(bytes)/1024/1024/1000 “SIZE_IN_GB” from dba_segments group by owner order by owner; Share via: Facebook.

What is a schema in Oracle Database?

A schema is a collection of database objects. A schema is owned by a database user and has the same name as that user. Schema objects are logical structures created by users. You can create and manipulate schema objects with SQL or with Oracle Enterprise Manager.

What is the size of a table in Oracle?

select segment_name,segment_type, sum(bytes/1024/1024/1024) GB from dba_segments where segment_name=’&Your_Table_Name’ group by segment_name,segment_type; Storage.

How do I find the size of a schema in SQL Developer?

SELECT sum(bytes)/1024/1024/1024 as “Size in GB” from dba_segments WHERE owner = UPPER(‘&schema_name’);

What is Lobsegment in Oracle?

The LOBSEGMENT stores the LOB data and the LOBINDEX allows the DB to find and assemble the pieces of the LOB which are at different places in the tablespace. Check the answer of a similar post to find the table and column that consumes space.

Is schema the same as database?

“SCHEMA & DATABASE are exactly the same thing, just a synthetic sugar in mysql.” Microsoft SQL Server for instance, Schemas refer to a single user and is another level of a container in the order of indicating the server, database, schema, tables, and objects. Schema’s are owned by a single user.

What is block size in Oracle?

The default block size is 8k in Oracle. This is the most common. Sometimes, people create the database with 16k block size for datawarehouses. You can also find some 32k block size, but less common which means more bugs.

What are the DBA tables in Oracle?

DBA_TABLES describes all relational tables in the database. Its columns are the same as those in ALL_TABLES . To gather statistics for this view, use the ANALYZE SQL statement.

How do I calculate tables size in Oracle?

How to find size of Table or Index or User/Schema in Oracle Database. SIZE OF TABLE: Select segment_name,sum(bytes)/1024/1024/1024 as “SIZE in GB” from user_segments where segment_name=’TABLE_NAME’ group by segment_name; OR.

What’s in an oracle schema?

The purpose of a schema in Oracle is to house database objects . The objects could be physical segments, like tables and indexes, or object definitions like views, packages, triggers, etc. Every object must belong to a schema and an object can belong to only one schema.

What does a schema in Oracle mean?

A schema object in an Oracle database is a structure that describes how a database is stored. It includes information on tables, clusters, indexes, views, database links, functions and other important parts of a database.

What is the name of the default schema in Oracle?

The name of the default schema used by Oracle Database Exadata Express Cloud Service is called the Host Schema and can be found from the Oracle Application Express About option. After identifying the schema name, in order to start using it, you need to set the password for the schema.