Added in Oracle Database 18c,PTFs enable you to define the shape of a result set. So you canadd or remove columns from the input tablebased on the parameters you pass. The engine of a PTF is a package that has two core components: Thedescribefunction which sets the columns in the outp...
To provide code completion for database elements, the IDE uses the same database connection you established for the project when you created it. You can change the database connection used for code completion in the Services window or by clicking the Select Database Connection button in the ...
With the Grafana plugin for Oracle Database, you can quickly visualize your Oracle data in Grafana.
B-trees don't have this luxury. You can't just plonk one on top of the other to find what you're looking for. While Oracle Database can combine B-trees (via a "bitmap conversion from rowids"), this is relatively expensive. In general to get the same performance as the three ...
In Oracle, use the view user_constraints to display the names of the constraints in the database. The column constraint_name contains the name of the constraint, constraint_type indicates the type of constraint, and table_name contains the name of the table to which the constraint belongs. In...
Third, find the name of the data files and the online redo log files. When a database is mounted, the database is only available to database administrators, not all users. 3) OPEN stage# In theOPENstage, Oracle performs the following actions: ...
Succesfully changed database name and ID. DBNEWID - Completed succesfully. 3. change the db_name parameter in the parameter file. SQL> shutdown immediate; ORA-01507: database not mounted ORACLE instance shut down. SQL> startup nomount
Here are the steps for preconfiguring a system for Oracle Database installation using oracle-rdbms-server-11gR2-preinstall. Remember, the steps are the same when using the oracle-rdbms-server-12cR1-preinstall package; you simply need to change the name of the RPM package during the yum insta...
Find the recent review created date for each project This information cannot be found from the Crucible UI, but can be found by querying the Crucible database. The following SELECT will give you a list of Crucible projects containing the project ke...
In this article I will explain how to install/upgrade OPatch utility in grid_home and oracle_home in a RAC infrastructure. Opatch utility is used while applying patches to the database. Every readme file (that comes with patch), mention the recommended opatch version. If your existing opatch...