How do I find database information in Oracle?

How do I find database information in Oracle?

Version

  1. PL/SQL, TNS versions using with Oracle. SELECT * FROM v$version;
  2. Which version of oracle you are running. SELECT * FROM v$version WHERE banner LIKE ‘Oracle%’;
  3. Or, in more readable way. SELECT * FROM product_component_version;
  4. Db Name.
  5. Db IP Address.
  6. Db Host Name.
  7. Client IP Address.
  8. Db Host Name.

How do you check if a table is indexed in Oracle?

To show indexes for a particular table in Oracle use the following command: select index_name from dba_indexes where table_name=’tablename’;

How do I get index information in SQL Server?

The methods include using system stored procedure sp_helpindex, system catalog views like sys….Find Indexes On A Table In SQL Server

  1. Find Indexes on a Table Using SP_HELPINDEX. sp_helpindex is a system stored procedure which lists the information of all the indexes on a table or view.
  2. Using SYS.INDEXES.
  3. Using SYS.

What are indexes in Oracle?

An index is a database structure that provides quick lookup of data in a column or columns of a table. For example, a Flights table in a travelDB database has three indexes: An index on the orig_airport column (called OrigIndex) An index on the dest_airport column (called DestIndex)

What is index on table in Oracle?

An index is a schema object that contains an entry for each value that appears in the indexed column(s) of the table or cluster and provides direct, fast access to rows. Oracle Database supports several types of index: Normal indexes.

What are the DCL commands?

Data Control Language (or DCL) consists of statements that control security and concurrent access to table data.

  • COMMIT.
  • CONNECT.
  • GRANT (Database Privileges)
  • GRANT (Sequence Privileges)
  • LOCK TABLE.
  • REVOKE (Database Privileges)
  • REVOKE (Sequence Privileges)
  • ROLLBACK.

What is Sp_helpindex used for?

Usage. sp_helpindex lists any indexes on a table, including indexes created by defining unique or primary key constraints defined by a create table or alter table statement.

How do you check if an index exists in Oracle?