show databases sqlplus

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

1 Sqlplus Login Log on locally (log on to the database server) Oracle Login Sqlplus account name/password as role name 1.1 SYS Login Example: Sqlplus sys/oracle ERROR: Ora-28009:connection as SYS should be as SYSDBA or sysoper SYS administrator must

Oracle Study Notes: sqlplus User Logon 1 sqlplus Login Local login (log on to the database server) Oracle Logon Sqlplus account name/password as role name 1.1 sys Login Example: sqlplus sys/oracle ERROR: ORA-28009: connection as SYS shocould be as

1 How to execute a SQL script file, this script file writes a series of sets of SQL statements, such as Sql.sql placed under D:\MyEclipse 8.6\workspaces\oasystem\webroot\sql.sql"CD D:\MyEclipse 8.6\workspaces\oasystem\webroot\>>sqlplus>>@ Sql.sql;2

Databases in the production environment cannot directly use development tools (such as toad and PL/SQL developer) to connect and perform data operations, because they have strict permission control (for DB security considerations ), the only tool

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

Sqlplus Chinese Display garbled problem2010-07-19 11:33:26Category: LINUXUnder Windows Sqlplus completely normal, but to Linux, Sqlplus Chinese display is a problem, always show "??" or other garbled, how to solve this problem?After checking the

1. IntroductionThere are many backup methods for Oracle databases, regardless of the backup method used, to restore the system at the lowest possible time and cost in the event of a failure. For example, exporting database objects using the Export

The management framework includes: database instance, listener, Management Interface (databasecontrol, management proxy, used by Gridcontrol) Management databasecontrol ( The management framework includes: database instance, listener, and Management

The management framework includes: database instance, listener, and Management Interface (database control, management proxy, which is used by Grid control)Manage database control (Oracle provides a Database control console for databases that are