Take SQL Server 2000 as an example to illustrate the specific implementation process of connecting SQL Server to the Oracle server.
1. Install the oralce client software and sqlserver2000 software on the PC.
2. Configure the tnsnames. ora file
Transport: http://www.oracle.com/technetwork/middleware/bi-foundation/obiee-samples-167534.html
In section 2.2, add the database dump command: (import the database dump using the command below .)Impdp "'" sys/admin123 @ sampledb1 as sysdba "'"
A database instance was created a few days ago and can be started in sqlplus, but login cannot be used in management and control tools. Today, I tried to solve this problem and the result was still successful. The solution is as follows:
1. Modify [
1.-view the usage of Oracle tablespace:
Select D. tablespace_name "tablespace name", D. Status "status ",(A. Bytes/1024/1024) as "Total MB ",(A. bytes-Decode (F. bytes, null, 0, F. bytes)/1024/1024) as "How many m are used ",(Decode (F. bytes,
Oracle Database Development (3). Introduce to pro * C/C ++ precompiler options
Vert melon
Jun 7,2007
1. Preface
Now we have already known about the Pro * C/C ++ development environment in WindowsOr Linux, but it is not enough. Anyway, esaier said
When creating a user, there is a default tablespace parameter. You can view the view database_properties to see the corresponding information.
SQL> select a. property_name, A. property_value from database_properties A where a. property_name like '%
1. pctfree
To describe the operation of a block, we can think of a block as a water cup. The waiter poured the water into the water cup in front of us. How full is it? We asked him to pour 9 full points. At this time, pctfree stands for setting it
ORA-00903 invalid table name
ORA-00903: Invalid table name
Cause a table or cluster name is invalid or does not exist. ThisMessage is also issued if an invalid cluster name or no cluster name isSpecified in an alter cluster or drop cluster statement.
Open the tnsname. ora file in the installation directory, for example, E:/Oracle/ora81/Network/admin. The file content is roughly as follows: ---www.bianceng.cnTest. softone. com =(Description =(Address_list =(Address = (Protocol = TCP) (host = zcb_8
Source: Network/Editor: getting started with programming: Unknown
Store test information in Normal Mode
Create related data tables
Create the data table testinfolog and the serial number seq_testinfolog.
Run this script by referring
Source: Network/Editor: getting started with programming: Unknown
Connect:
Oracle9i Enterprise Edition Release 9.2.0.1.0-Production
With the partitioning, OLAP and Oracle Data Mining options
Jserver release 9.2.0.1.0-Production
SQL>
Before starting, we need to briefly describe several projects in the company that use ORACLE as the database platform, and some projects use Oracle's database replication technology, which also encountered some problems, so here, I will talk about
Method 1: Use System. Data. oracleclient (you need to install the Oracle client and configure tnsnames. ora ).
Oracleconnectionstring: Data Source = orcl; user id = Scott; Password = tiger; persist Security info = false;
Method 2: Use oldedb to
A materialized view is a database object that contains a query result. It is a local copy of remote data or is used to generate a summary table based on the sum of data tables. Materialized View stores data based on remote tables, also known as
Oracle statement:
1 from join_table join_type join_table2 [ON (join_condition)]
Join_table: name of the table to joinIoin_tyoe: Connection Method
There are three types:
Internal Connection: (1) equivalent connection:
(2) natural connection: Remove
Preface
This is a very tangled section, which is simple or detailed. If it is simple, nothing is said. The details are detailed. To be honest, there are many places that I don't understand. Just a few physical files, several memory blocks, and
Unidirectional and bidirectional synchronization are available.
-- Glossary: Source-database to be synchronizedPurpose -- database to be synchronized
The first six steps must be performed. After 6th, some auxiliary information will be provided.
-- 1.
Chapter 2: BACKUP and RECOVERY
1. v$sga,v$instance,v$process,v$bgprocess,v$database,v$datafile,v$sgastat
2. Rman need set dbwr_IO_slaves or backup_tape_IO_slaves and large_pool_size
3. Monitoring Parallel Rollback
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