Oracle

/* Deadlock Query -1*/SELECT O.object_name,L.session_id,l.process,L.locked_mode from V$locked_object L,Dba_objects o WHEREo.object_id=l.object_id------------------------------------------------/* Deadlock Query -2*/ Select GL. session_id,         

I. Oracle logical architecture DiagramIi. Composition of logical structureThe logical structure of the ORALCE includes1. Table Space2. Paragraph3. District4, BlockThe Oracle database consists of several table spaces, consisting of several segments

How to synchronize some configuration tables to GP library issues from Oracle database during the daily production process of the system.First, the way you used it before:0. Export plain text format from Oracle using 3rd party tools and store

Above database box input:(DESCRIPTION = (Address_list = (ADDRESS = (PROTOCOL = TCP) (HOST = 172.16.8.99) (PORT = 1521))) (Connect_data = (service_name = HTFDS)))------------------------------the following for reference--------------------------------

Select DISTINCT MSI.SEGMENT1 encoding,Msi.description description,Msi.primary_unit_of_measure units,Msi.inventory_item_status_code State,flv. Meaning item type,Catb1.segment1 Large inventory category,Catb1.segment2 Inventory Small

Commit is committing a transaction, so what exactly does commit do?In fact, the commit does not do much, it starts the LGWR process, writes the redo record to the online log, and marks the database header for the modified data as committed. After

Recently in the database experiment with VMware Virtual machine Oracle, we all know that on Windows, I can go to add the removal program to automatically delete all installed applications, but on Linux does not have this service can be automatically

In Oracle database, the Oracle To_date () function is a function that we often use, and the following gives you a detailed description of the use of the Oracle To_date () function, which I hope will enlighten you.To_date () with 24-hour notation and

First, oracle  download note Oracle is divided into two files, after downloading, the two files are extracted to the same directory. In the path name, it is best not to appear in Chinese, and do not appear spaces and other irregular characters.  

Oracle cannot create a directory when it creates a database, informationCause: There is no permission to create a writeFIX: Modify folder permissions toF:\oracle\product\10.2.0\db_1\cfgtoollogs\dbcaIncrease authentication User's write, modify

indexes are database objects that can be used to improve the performance of some queries by creating indexes. when you create a primary key or a unique constraint condition, the server automatically creates the index at the same time.

REDHAT Linux installation 11G 11.2.0.3 error Oracle user executed. Direct error after/runinstaller650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/2B/C4/wKioL1OKw9ngwUx5AADvzHKtCr8768.jpg "title=" 1340872417_2708.png "alt=" Wkiol1okw9ngwux5

Tag: Oracle recompile user Invalid object Oracle sys User Invalid object Select owner,object_name, replace (object_type, '   ', ')  object_type,to_ char (created, ' Yyyy-mm-dd ')  as created,to_char (last_ddl_time, ' yyyy-mm-dd ')  as last_ddl_time

When we synchronize Oracle data to SQL Server, we first have to build the table on the SQL Server side.Complex fields We do not synchronize, only consider the following four types of data.Oracle-to-SQL Server mappings:INT- intNumber --Decimal

People who write SQL statements often should know that the main use of the group by statement is to subtotal, and here is one of its most common uses (statistics based on department, position, respectively):SELECT a.dname,b.job,sum (b.sal)

CHAPTER ASM Persistent Data structuresAs with traditional file systems and volume managers, ASM storage metadata is used to describe and track the contents of a disk group. All metadata describes the composition and content of the ASM disk group

An overview:1. A pipe function is a function that can return a rowset (which can make a nested table nested table or array varray), and we can query it like a physical table orassigns a value to the collection variable. 2, the pipeline function for

Process---database-Object Process-Server-User-Object Process-database-User-Schema-Object Mysql, Oracle, and Db2 I have never performed oracle multi-instance operations, and db2 is just getting started with it. Mysql is the easiest way to think of.

Select to_char (createtime, 'yyyy') year, count (*) from table group by to_char (createtime, 'yyyy'); select to_char (createtime, 'q') each quarter ') year, count (*) from table group by to_char (createtime, 'q'); select to_char (createtime, 'yyyy')

I have been in the Oracle DBA industry for several years, but speaking of Oracle Installation experience, I am not very familiar with it. At the beginning, I was a little confused, as Oracle has become more and more familiar with the principles and