Example: select sysdate fron dual; 8.How to fetch the date in “YYYY-MM-DD” format with its timestamp. Answer: SELECT TO_CHAR (SYSDATE, ‘YYYY-MM-DD HH24:MI:SS’) “Current_Date” FROM DUAL; 9.What is tablespac
(If the object is a log file group or tablespace, the parent schema is NULL.) In addition, the ndb_sync_excluded_objects table shows the reason for which the object has been excluded. These tables are present only if NDBCLUSTER storage engine support is enabled. For more information ...
Have access to Oracle Database 12c with a sample ORCL database, the SYS user with SYSDBA privilege and OS authentication (so that you can execute the sqlplus / as sysdba command.) This example uses the USERS tablespace, included in Oracle Database 12c. The Sample Schemas installation guide ...
Re: what are oracle indexs? What are schema objects? I know that oracle store data logically in tablespace and physically in datafiles associated with the corresponding tablespace. I know a little about block, extent and segment. Is it possible for me to understand something about schema object...
DROP TABLESPACE DROP TRIGGER DROP USER DROP VIEW GRANT RENAME TABLE REVOKE These are in addition to those statements added in MySQL 8.1 or otherwise already supported in this regard. For more information, including a listing of all such statements supported in MySQL 8.3, see the descri...
Oracle transportable tablespaces (XTTS) –XTTS can be faster than an export-import operation, but along with your data it moves all of the fragmentation and sub-optimal objects and tablespace designs. Third-party tools Dedicated replication tools offer an approach to database migration without down...
PostgreSQL is an open source, feature-rich object-relational database management system (ORDBMS) that competes with real-time, top-ranked databases such as Oracle. Developers also choose PostgreSQL as their NoSQL database since it simplifies the setup and use of databases both on-pre...
For example, if you're creating a Line widget to view information regarding the Oracle Database entity type and you have added the Storage Tablespace Name metric key in the Attribute Filter, you can now click Add Criteria in the Filter dialog and add multiple filtering criteria. After you ...
If the administrator takes a tablespace offline with normal or temporary priority, a checkpoint is forced only on the online datafiles of that tablespace. If the database administrator shuts down an instance (NORMAL or IMMEDIATE shutdown transaction), Oracle forces a database checkpoint to complet...
In Oracle Solaris 11, as the default out-of-the-box installation is a text-based installation with minimal packages configured (unless you opt for a virtual machine image-based installation), this means that the required packages will need to be installed and configured first, before running the...