query to get database name in oracle

1. Database Name 1.1 The Concept Database Name (db_name) is the identifier of a database, just like the ID card number of a person. If multiple databases are installed on a machine, each database has a database name. After the database is installed

database name, instance name, database domain name, global database name , service name,This is a few concepts that make many beginners easily confused. I believe many beginners are as confused as I am in the title of these concepts. Let's get them

Common exceptions:ORA-14025: Cannot specify partition for a solid view or a solid view logOra-14026:partition and cluster clauses repel each otherORA-14027: Only one partition clause can be specifiedORA-14028: Missing at or values

Oracle [Oracle] History of the Oracle ――oracle company legend Author: fenng Date: Sep 09 2004 The origins of Oracle Company It is hard to imagine the Oracle Company's saga starting with IBM. 1970 June, IBM researcher Edgar Cauter (Edgar Frank

What is the Oracle character set? How to view the database character set? Explains how to modify the character set of oracle.1. What is the Oracle character set? The Oracle character set is a collection of symbols for the interpretation of byte data.

Character Set during Oracle dmp import/export and Database Operations Original article title: Oracle _ Character Set Problem (association between database and client Character Set) Author: shm description: this article mainly records the character

How RAC Works and related components (iii) Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of

Problem Description: When landing Oracle database, whether from SQL Plus or from Toad Landing, there will be no landing on the phenomenon. Prompt for package receive failed: ORA-12637 appears. Workaround: Modify the Sqlnet.ora file,

When importing data from IMP in Oracle, hybriddb for MySQL prompts that the character set is inconsistent. The imp import and exp export functions of Oracle are often used in the production environment for data migration. The character set is

Oracle databases query ten tips data queries, which are one of the most important functions in database operations. Sometimes the performance of database queries is directly related to the efficiency of database operations and database selection. I