Oracle

System Environment: Oel6.5_x86Database version: Oracle 11g 11.2.0.3.0 First, [failure phenomenon]In the process of installing Oracle 11g, the first graphical interface has just been displayed, followed by a failure warning dialog box.650)

Recently installed in SOLARIS11 Oracle 11g database, originally thought is a family, installation should be very simple, the fact that I really can't think of, really twists,Now record it:1, download Sol-11-1111-text-x86.iso2, download P10404530_1120

Object permissions and System permissionsCreating a table and creating a session is a system privilege;The system administrator has access to the other tables.Log in with SysSqlplus Sys/on_change_install as SYSDBA;Create User WangwuCreate user

Due to business needs, you need to use whitelist to restrict the address of user login database, decide to use database whitelist function!In general, but the instance database startup whitelist only needs to add the following to the Sqlnet.ora:TCP.

Analysis of the low memory problem of Oracle with large concurrent connections under Linux 2010-01-28 20:06:21 Category: OracleA recently installed Rhel5.3 40G memory machine has an Oracle database, the database's SGA is set to 20G, when running a

--Creating table Create [GLOBAL Temporary] table table_name (coloum_name TYPE [CONSTRAINT constraint_def DEFAULT Default_exp][,colou M_name TYPE [CONSTRAINT constraint_def DEFAULT default_exp] ...]) [on COMMIT {DELETE | PRESERVE} rows]tablespace Tab_

First, the database loginSqlplus Please enter username: Enter password:assysdbaSecond, the userCreate userCreate User by password;Create a user, and specify a table spaceCreate User by default tablespace user_data [temporary tablespace user_temp]

Tables tableTest table: My_test_table--Create tablecreate table my_test_table ( A VARCHAR2 (), B number (Ten) default 1, C DATE) tablespace bosswg_ CFG pctfree initrans 1 maxtrans 255 Storage ( initial 64K minextents 1 Maxextents

1. EnvironmentVMware Ten centos-6.3-x86_64Oracle:linux.x64_11gR2Hardware I divided 2.5G of memory, 30G HDD (should not need so large) 2 U2.2.1 Install the system first, after the root login need to change the system settings:Setup command to turn

First describe the version of the databaseServer: 10.2.0.5.0Client: 11.2.0.1.0Export will errorEXP-00008: Encountering ORACLE error 1003Ora-01003:no statement parsedAndEXP-00008: Encountering ORACLE error 904ORA-00904: "MAXSIZE": Invalid

Today to tell the students Xian Java Training when I logged in to the Oracle database with a Scott user, Ora-01017:invalid Username/password appeared, and the logon denied was wrong because my Scott user was not unlocked. After logging in with the

Oracle monitoring includes effective and complete monitoring of Oracle database performance, availability, and usage statistics, as well as immediate error notification and corrective actions, and provides comprehensive reports and graphs. This

--varchar,varchar2Contact:1.VARCHAR/VARCHAR2 for storing variable-length stringssuch as varchar (20), which is stored in the string ' ABC ', the field in the database is only 3 bytes, not 20 bytesThe maximum value for 2.size is 4000, and the minimum

Win7 installing Oracle 10g occurs when the program terminates abnormally. An internal error occurred " promptInstall oracle10g " program terminated abnormally. An internal error has occurred. Please provide the following documents to Oracle

SelectA.table_name as"TableName", Case when(Select Count(*) fromUser_views VwhereV.view_name=A.table_name)>0 Then 'V' Else 'U'End as"Tabletype", A.column_name as"ColumnName", a.column_id as"ColumnIndex", A.data_type as"DataType", Case

Suitable for oracle11gGets the profile that the user belongs toSELECT username,profile from Dba_users;View profile's password expiration is 180 days by defaultSELECT * from Dba_profiles s WHERE s.profile= ' DEFAULT ' and resource_name= '

1, what is a cursor?① retrieves the result set from the table, and the mechanism from which each point points to a record for interaction.The operations in the ② relational database are performed on the complete rowset.The rowset returned by the

Iv. Oracle 10g added EXPDP and IMPDP tools to export empty tables with this toolORACLEEXPDP/IMPDP Usage Explanation1) Create a logical directory that does not create a real directory in the operating system, preferably created by an administrator

Transactions in the Oracle database : Add, modify, and delete transactions are required (show transactions).1. The classification of transactions shows transactions (add, modify, delete) and implicit transactions (except additions, modifications,

View Oracle Current session2011-09-23 13:26 9041 people read Comments (0) favorite reports SessionoraclesqlterminaluserobjectHow do I see the current number of connections to Oracle? Just use the following SQL statement to query