Oracle

Using virtual box to install Rhel 6.2+oracle 11g, you need a Rhel installation disk (VERYCD) and a Linux installation package that is downloaded on the Oracle Web site, where two of the 11g installation packages end in zip. The installation process

Server IBM Xserver, RAM: 4GThe main parameters for Oracle database configuration are as follows:Processes integer 800Sessions integer 885Pga_aggregate_target Big Integer 350MSga_max_size Big Integer 1256MSga_target Big Integer 1152MShared_pool_size

Steps for user business operations: 1. Create a "prepayment" invoice:cwy1501111 in January to validate Invoice and create ledger accounts; 2. Create "invoice:cws1502036" in February to validate Invoice and create ledger accounts; 3. Use "Advance

Check that the database state is correctA. Check to see if the Oracle instance is started.> Ps-ef|grep OracleThe query to the information containing the "INOMC" keyword indicates that the instance was started.If you do not start, you need to start

Addition Select Sysdate,add_months (sysdate,12) from dual; --plus 1 select Sysdate,add_months (sysdate,1) from dual;--plus January select Sysdate,to_char (sysdate+7, ' yyyy-mm-dd HH24:MI:SS ') from dual; --plus 1 weeks select Sysdate,to_char

1. VCS preparation before installation. To see if the Veritas version of the operating system version, and so on, meet the installation conditions. Generating DSA keys #ssh-keygen-t dsa// #chmod 755-t/root/.ssh Put root/.ssh/id_dsa.pub file as

We know that Oracle automatically indexes the primary key columns of the table, and this default index is the normal B-tree index. The default B-tree index is not ideal for situations in which primary key values are added sequentially (incremental

Pl/sql Procedure: Data reading of Clob field types in Oracle 11g the database column of the LOB type stores only the locator, which points to the storage location of the large object. manipulate LOB data with the Dbms_lob package. When reading

The uninstallation and installation of the Oracle Database 10 Gb database system are equally important. Many users are concerned about how to completely uninstall the Oracle system without affecting the use of the operating system. Different

Transfer from http://www.jiejingwang.com 2002-10-24 shortcut Network========================================================== =System Environment:1. Operating System: Windows 2000 Server, 128 MB of machine memory2. Database: Oracle 8i R2 (8.1.6)

After Oracle 11g RAC is installed, why does crsd on the second node fail to start? The error message is CRS-4535: cannot communicate with cluster ready services. The specific error information must be viewed in the crsd. log. 1. Environment [root @

Install DDL objects Log on to sqlplus as an oracle user at the source end and execute the following script: Run marker_setup Make sure that the related process of goldengate is closed. Any application using Oracle is closed and no new session is

1. Preparations before installing the database.First, you must confirm your machine configuration, operating system, and the version of the Oracle database to be installed. For different machine, operating system, and Oracle versions, refer to the

The Oracle to_char (datetime, FMT) function converts datetime values to a string in the format specified by the FMT option. MySQL has the date_format function that allows datetime values converting to a string in the specified format. Sqlways

The constraint is used to force the row data to meet specific business rules (the data type is to force the column data to meet the rules)There are five types of constraints: • not null • unique • primary key • Foreign key • check the not null

1. Backup tools You can directly use the Operating System Utility copy and CP to perform backup operations. However, Oracle strongly recommends that you use recovery Manager (RMAN ). RMAN can back up data files, control files, archived logs, and

  In Oracle, partitioned tables are stored in segments. Common tables are stored in one segment, while partitioned tables are divided into multiple segments, therefore, the process of searching for data is to first locate the partition range based

-------------------------------------- Search for a blog on the Internet to facilitate future viewing -------------------------------------------------------------------- There are many users who use ORACLE as a database management

Today, I talked to my colleagues and customers about the comparison between SAP and Oracle. Although I have been repeatedly asked the same question, I am still surprised to find myself new thoughts every time. In order to avoid thinking about new

Importing and exporting Oracle Data imp/exp is equivalent to restoring and backing up oracle data. The exp command can export data from the remote database server to the local dmp file. The imp command can import the dmp file from the local to the