How to use the DBMS_METADATA Package In SQL
Here we will demonstrate how to use the DBMS_METADATA package to extract metadata definitions of database objects. We’ll customize the metadata extraction process to suit our requirements.
Syntax:
SELECT DBMS_METADATA.GET_DDL('object_type', 'object_name') FROM DUAL;
Example:
SELECT DBMS_METADATA.GET_DDL('TABLE', 'EMPLOYEES') FROM DUAL;
Output:
The output of the SELECT query is the DDL statement for the specified database object (EMPLOYEES table).
Explanation: In this example, we’re using the DBMS_METADATA.GET_DDL function to retrieve the Data Definition Language (DDL) for the EMPLOYEES table.
How to Export Schema Without Data in PL/SQL?
In Databases, sometimes you need to export database objects like tables, views, and procedures. You might do this for different reasons like making backups, moving data to a new place, or it with someone else. There are different ways to do this.
In this article, we will learn about How to clone a schema without data by understanding various methods along with the examples and so on.