sqlplus host string example

The DML, DDL, and DCL statements we usually call are SQL * plus statements. After they are executed, they can be stored in a memory area called SQL buffer, in addition, only one SQL statement can be saved recently. We can modify the SQL statement

Today, a strange problem has been found that the SRVCTL and Crs_start commands cannot start an Oracle RAC instance, but with Sqlplus it can start normally. The final reason for this is that the state of the database becomes disable in OCR, and this

1. Oracle startup and Shutdown1. In a single-host environmentTo start or shut down the Oracle system, you must first switch to the Oracle user, as shown below:Su-Oracle A. Start the Oracle SystemOracle> svrmgrlSvrmgr> connect internalSvrmgr>

1. Oracle startup and Shutdown1. to enable or disable the Oracle System in a single-host environment, you must first switch to the Oracle user, as shown below:Su-Oracle A. Start the Oracle SystemOracle> svrmgrlSvrmgr> connect internalSvrmgr>

1, directly with Sql*plus directly connectedDatabaseWhen using Sql*plus to connect to the database, a dialog box is required to fill in the user name, password, and host string information. The former two needless to say, I will fill in the right,

From http://baike.baidu.com/view/1239908.htm SQL * Plus is one of the most commonly used tools with strong functions, mainly including: 1. database maintenance, such as startup and shutdown, is generally performed on the server.2. Execute SQL

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,

Second, SQL structur Query Language Structured Query language, is the object in the Operation relational database.DDL (data definition Language), used to create or delete table operations, and to modify table constraints CREATE TABLE, ALTER TABLE,

Three configuration files　　Listener. ora, sqlnet. ora, and tnsnames. ora are all stored in the $ ORACLE_HOME \ network \ admin directory.　　-- Begin focus: Roles and usage of the three files　　#-----------------------Sqlnet. ora (client and server) --

Local name configuration: The local name can access the required database or server information with a simple name, and the information is saved to tnsnames. ora. LOCALNAME: local nameADDRESS: server ADDRESSPROTOCOL: PROTOCOL usedHOST: IP