Where Bfile data will be stored?

What is Bfile datatype in Oracle

BFILE is an Oracle proprietary data type that provides read-only access to data located outside the database tablespaces on tertiary storage devices, such as hard disks, network mounted files systems, CD-ROMs, PhotoCDs, and DVDs. BFILE data is not under transaction control and is not stored by database backups.

What is Oracle XMLType

XMLType is a system-defined opaque type for handling XML data. It as predefined member functions on it to extract XML nodes and fragments. You can create columns of XMLType and insert XML documents into it.

What is Alter tablespace in Oracle

Purpose. Use the ALTER TABLESPACE statement to alter an existing tablespace or one or more of its datafiles or tempfiles. You cannot use this statement to convert a dictionary-managed tablespace to a locally managed tablespace.

Which one of below is not a pseudo column

SQL and PL/SQL recognizes the following SQL pseudocolumns, which return specific data items: SYSDATE, SYSTIMESTAMP, ROWID, ROWNUM, UID, USER, LEVEL, CURRVAL, NEXTVAL, ORA_ROWSCN, etc. SYSDATE and USER are not pseudo-columns.

What are the classification of SQL statement

Type of SQL statements are divided into five different categories: Data definition language (DDL), Data manipulation language (DML), Data Control Language (DCL), Transaction Control Statement (TCS), Session Control Statements (SCS).

Where Bfile data will be stored

BFILE is an Oracle proprietary data type that provides read-only access to data located outside the database tablespaces on tertiary storage devices, such as hard disks, network mounted files systems, CD-ROMs, PhotoCDs, and DVDs. BFILE data is not under transaction control and is not stored by database backups.

What is a Bfile locator

4.2 BFILE Locators
The BFILE locator that refers to the file is stored in the database row. To associate an operating system file to a BFILE , first create a DIRECTORY object that is an alias for the full path name to the operating system file.

What is BLOB data type

A BLOB (binary large object) is a varying-length binary string that can be up to 2,147,483,647 characters long. Like other binary types, BLOB strings are not associated with a code page.

What is CLOB data type in SQL

A CLOB (character large object) value can be up to 2,147,483,647 characters long. A CLOB is used to store unicode character-based data, such as large documents in any character set.

What is a blob SQL

An SQL BLOB is a built-in type that stores a Binary Large Object as a column value in a row of a database table. By default drivers implement Blob using an SQL locator(BLOB) , which means that a Blob object contains a logical pointer to the SQL BLOB data rather than the data itself.

Can we pass a ref cursor from one procedure to another SQL

Passing a REF CURSOR to a Stored Procedure
An application can retrieve a REF CURSOR type from a PL/SQL stored procedure or function and pass it to another stored procedure or function.

What is Xmltype propOrder

The annotation element propOrder() in the @XmlType annotation allows you to specify the content order in the generated schema type. When you use the @XmlType. propOrder annotation on a class to specify content order, all public properties and public fields in the class must be specified in the parameter list.

What is an application domain index

An application domain index is a customized index specific to an application. Oracle Database provides extensive indexing to do the following: Accommodate indexes on customized, complex data types such as documents, spatial data, images, and video clips (see "Unstructured Data")

Does Oracle support JSON data type

Oracle Database supports JavaScript Object Notation (JSON) data natively with relational database features, including transactions, indexing, declarative querying, and views.

What is XML and its types

Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.
XML.

How parse XML in PL SQL

Load the XML file into an XML table and then parse it. Directly parse the XML file without loading into an XML table.
Wrap up

1. Create the Oracle table.
2. Insert the data of the XML file into the created table.
3. Write a SELECT statement to extract values from the table.

Which SQL statements can access and manipulate data in existing schema objects

• Data Definition Language (DDL) Statements. Data definition language (DDL) statements let you to perform these tasks:
• Data Manipulation Language (DML) Statements. Data manipulation language (DML) statements access and manipulate data in existing schema objects.
• Transaction Control Statements.
• Session Control Statements.

How would you create and alter tablespace

You can modify a table space in the following ways:

1. Add a container to, or drop a container from a DMS table space; that is, a table space created with the MANAGED BY DATABASE option.
2. Modify the size of a container in a DMS table space.
3. Lower the high water mark for a DMS table space through extent movement.