Oracle

/*The Chunks column indicates the number of available idle blocks in the tablespace.(Each idle block is composed of several consecutive ORACLE data blocks .)There are too many idle blocks. For example, if an average of more than 100 data files

-- Create Table space mytest Create tablespace mytest Datafile '/u01/APP/Oracle/oradata/healthybox/mytest01.dbf' size 200 mExtent management local; -- Create user TesterCreate user tester identified by TesterDefault tablespace mytest; -- Assign

Opening Ceremony: Oracle, SQL Server, "Flying Wings and wings", let's talk about oracle. Summary: common solutions for Oracle High Availability: 1. Dual-host Devices 2. Parallel Processing 3. Backup Database ? Tian Tianji: Zhang leyi's

RAC environment: 1. Cent OS (based on vmware workstation ): First HOST: rac01.smartoffice.com: (Act as DNS) Public IP: 192.168.226.146 Private IP: 192.168.1.109 VIP: 192.168.226.150 Public Name: rac01.smartoffice.com Private Name: rac01

This article will introduce the installation process of Oracle Database 9i in Linux. If you have experience installing Oracle8i, the following installation process is a breeze for you: Hardware requirements: Hard Disk Space: the Oracle9i database

During development, I encountered the following problems and consulted Oracle to solve them. I would like to share with youEnvironment2 Web/Application servers (Windows2003 server) + 1 Database server (oracle9.2 ),The business application system is

Combined oracle External commands: To understand (+), the most important point is that (+) is always placed on the Information-deficient side, and records on this side are displayed as null values. Example: First, preview the two tables that we will

1. create Table: Create Table student (s_id number, s_name varchar2 (30), s_sex varchar2 (10), s_age number, s_birthday varchar2 (15), s_phone varchar2 (11 ), s_addr varchar2 (40) s_country varchar2 (30), s_email varchar2 (30) s_sal number); 2. add

Create or replaceTrigger"User_trigger"After insertOr deleteOr updateOn users-- Three trigger eventsFor each row -- Row-Level TriggerBeginIf insertingThenInsert into users2Values (: New. Lid,: New. strname,: New. straddress );Elsif deletingThenDelete

// Procedure version Create Or Replace Procedure Abc (n Number) Is -- input parameterType Cursortype Is Ref Cursor; -- defines the Cursor Type.Resultset Cursortype; -- defines the cursor variableDeptstate tb1_00department % Rowtype; -- Define a row

This SQL statement can be used to check which table is locked and which Session is used by the user. After the query, you can kill the Session. SELECT s. username,Decode (l. type, 'Tm ', 'table lock', 'tx', 'row lock', NULL) LOCK_LEVEL,O. owner,O.

0. Pre-installation settings 0.1 where is the software installed? Install it in/home/oracle/databaseWhere is 0.2 data stored? Data is stored in/home/oracle/database/MTDBdata0.3 what is the database name? Data name mtyxdb0.4 what is the character set

1. stored procedures are a good technique. 2. PSD (PL/SQL Developer) is a good tool that can greatly improve efficiency. 3. Use PSD to connect to the database and start creating the stored procedure: Create or replace procedure Test_ADD2

I. Runtime Environment # Synchronous clockYum-y install ntpNtpdate time.nist.gov # Disable the service:IptablesSelinuxPortmapRpc. statdCupsdAvahi-daemonSendmail Killall iptablesChkconfig -- level 2345 iptables offKillall portmapChkconfig -- level 234

1. Download link library http://www.oracle.com/technetwork/topics/linuxsoft-082809.html You can directly download the rmp file and directly download rmp-ivh... rmp 2. updatedb updates the file location list 3. Find the location of the libocci. so

System Environment:1. Operating System: Windows 20002. Database: Oracle 8i R2 (8.1.6) for NT Enterprise Edition After Oracle 8i R2 (8.1.6) for NT Enterprise Edition is installed by default, the following three directories are created on the drive

1. Stop all Oracle services2. delete the Oracle Installation Directory, which is mainly distributed in two places (such as the D disk and directory and the C disk program files). An error that cannot be deleted is prompted during deletion. Restart

Just installed Oracle10g (10g_win32_db) I installed the JDBC driver in ORACLE (D:/oracle /) In D:/oracle/product/10.1.0/Db_1/jdbc/lib, classes12.jar is the driver. Copy it to the project where it is located under D:

After Oracle is installed, there is a default database. In addition to this default database, we can also create our own database. For beginners, you can use the 'database Configuration asmap' Wizard to create a Database to avoid troubles. After

Due to the need of work, today we have encountered a problem: teachers in the educational administration system use the original employee number. Due to new needs, teachers now have a new employee number, now let's do one thing: Make an excel table