What is V instance Oracle?

What is V instance Oracle?

V$INSTANCE displays the state of the current instance. Column. Datatype. Description. INSTANCE_NUMBER.

What is V process in Oracle?

V$PROCESS displays information about the currently active processes. While the LATCHWAIT column indicates what latch a process is waiting for, the LATCHSPIN column indicates what latch a process is spinning on. On multi-processor machines, Oracle processes will spin on a latch before waiting on it.

What is V parameter Oracle?

V$PARAMETER displays information about the initialization parameters that are currently in effect for the session. A new session inherits parameter values from the instance-wide values displayed by the V$SYSTEM_PARAMETER view. Column. Datatype.

What does Oracle 11g mean?

Version 11g of the Oracle Database, which included built-in testing for changes, the capability of viewing tables back in time, superior compression of all types of data and enhanced disaster recovery functions. The “g” stood for “grid computing,” which supports clusters of servers that are treated as a single unit.

How do I find the instance name in Oracle 11g?

Oracle SQL to Check the Database / Instance Name to Which the Current Session Is Connected using a Non DBA user

  1. SQL> select * from global_name;
  2. ORCL.
  3. SQL> select instance_name from v$instance;

What is V casting?

The V-Process is an innovative and agile manufacturing process that allows for flexibility and superior castings. It is a form of sand casting but unlike other sand processes that use coarse sand held in shape with a binder, the V-Process utilizes very fine, dry sand and no binders.

What is V database?

V$DATABASE displays information about the database from the control file.

What are the new V $views in Oracle 11gR1?

In Oracle 11gR1 there are now 484 dynamic performance v$ views which means that between 10gR2 and 11gR1, there are 86 new v$ views in 11gR1. So how does one find out what all of the dynamic performance views are within Oracle 11g? Well, one needs a query such as the following to run against the v$fixed_table to obtain the full listing.

What’s new in Oracle 11g?

The Invisible index feature has been implemented in Oracle 11G. Indexing: User can create more than one index on same column. Only one type of index on column is usable at a same time. Newly added Functions: The newly added function are not considering the performance tuning of the data.

What is the difference between Oracle 12c and Oracle 11g?

Oracle 12C provides the feature of full database caching to improve the significant performance benefits especially for workloads that will be previously limited by I/O throughput or response time. Oracle 11G supports the concept of In-memory tables, which will, used to improve the full table scans.

What is Oracle 11g RAC and ASM?

Oracle 11g RAC and ASM provide highly available robust architectures for performance, service and reliability as part of the Oracle Maximum Availability Architecture (MAA). The following v$ views provide details on these key HA technologies.