Oracle

--10g new tablespace Type: Large file (bigfile) table space.When the--10g database is created, the default tablespace type is specified. The default is a tablespace of type smallfile, if not specifically specified.SELECT * from database_properties

First of all, because many friends in the group said QTP connect Oracle a bit of a hassle, I do a complete tutorial for connecting to Oracle, I hope that the need to learn friends can look at the following: 1, no matter what language, connect Oracle

Original Address--http://blog.csdn.net/qq525099302/article/details/47253351 Create or replace function Generate_coupons_code (v_length in number : = +) return varchar2 is V_code varchar2 ();Type T_arr is Varray of VARCHAR2 (1); Char_arr T_arr;

Background: Oracle services are installed on the server and others use PL/SQL remote connections.It is well known that because the Oracle database is too large to be installed on this machine will cause the computer very card, very affect the daily

DataGuard Broker is a distributed management architecture that is used to automatically create, maintain, and monitor DataGuard configurations. You can use the OEM (graphical interface) or DGMGRL (command line) to do the following:1. Create and

http://www.itpub.net/forum.php?mod=viewthread&tid=1761963Previously in the database maintenance, the basic is to encounter the table is locked, and then is to find the locked table related information, through the V$session view to find the relevant

The solution is as follows: Use Goto to jumpDECLARE done BOOLEAN; BEGIN forIinch 1.. the LOOP IFDone Then GOTOEnd_loop;END IF; >-- notAllowed unless an executable statement followsNULL; --AddNULLStatement toAvoidError END LOOP;

On the background of optimization of real-time databaseAbout 168 heat exchange station units, each set of nearly 400 points, the overall more than 60,000 points need to be updated in real time. In the database there is a monitoring parameter table

The recent use of ODI, where a join component involves several common types of joins, organizes the differences between the lower cross-joins and natural joins. I. OverviewA connection of two tables is established by linking one or more columns in

Create or replace trigger Tri_fc83_insert before INSERT on FC83 for each ROWdeclare PRAGMA autonomous_ TRANSACTION; BEGIN :new'1'; from fc83 where afc001 =:new. afc001 =:newafa031 =: Newafc210; commit; END Tri_fc83_insert;Oracle

Transferred from: http://blog.sina.com.cn/s/blog_682841ba0101bncp.html1.analyze table T1 compute statistics for table; -->user_tables(Statistics only on the overall information of the table, such as the number of rows, etc., does not involve table

Recently in the work, the row to column has been applied, here is a simple summary.The conversion process is as follows:1. CREATE TABLE structure CREATE TABLE Rowtocol ( ID number () is not NULL, user_name VARCHAR2 (A-char), COURSE VARCHAR2

See an unexpected error in the execution plan today on the newly installed oracle11g:sp2-0618: Unable to find the session identifier. Enable check plustrace role sp2-0611: Error enabling STATISTICS Report solution: Execute this file in Oracle in

A "user" Sys\system\sysman\scott1. View all users of the database (Dba_users data dictionary):Select username from dba_users;2. View Current User:Show user;3. Enable (Unlock) database users:Alter user username account unlock;Two "table

There are 5 types of---Constraints: PRIMARY key foreign key unique non-NULL check 5 class constraintsColumn-level constraints and table-level constraints in OracleColumn-level constraints: Columns are then added to the constraint when the table is

I. DB instanceFirst, you have to have a db instance that you can create without using the following tools:The database instance created is as follows:Two. Server-side listener configurationThe following database configuration listener is configured

4-2 1 Morning See 40:40This statement , can not be used in production environment , because there are only one variable , the company has a lot of people , not enough . Solve with Loopswhere============================================================

Summary of Oracle row-to-column Conversion Recently, I have applied row-to-column conversion in my work. Here I will make a simple summary. The conversion process is as follows:1. Create a table structure   CREATE TABLE RowToCol ( ID NUMBER(10)

ORACLE-015: ora-25153 temporary tablespace is empty, ora01652 cannot pass 128 I wrote a complex select statement, and suddenly oracle reported: ora-25153 temporary tablespace is empty, this error, so I checked online, found the following solution:

Solutions for ORA-28001: thepasswordhasexpired Oracle prompt error message ORA-28001: the password has expired, due to new features of Oracle11G, the default password expiration limit for Oracle11G User Creation is 180 days (6 months ), if the user