Oracle

1. copy only the SQL statements of the Table Structure Create Table tablename2 as select * From tablename1 where 1 <> 1 2. SQL statement used to copy the table structure and data in the table Create Table tablename2 as select * From tablename1  

During the installation of Oracle 11g R2, if a prompt is displayed, the system cannot find... /Oracle/11g/Solaris/J2EE/oc4j_applications/applications/em. ear file. After the download of the 11g file, decompress the package and there are two

Original requirements: The OA system used SSH + extjs. When we tried it for the customer, the customer began to complain that the Chinese character data in the list was not properly sorted by pinyin, make changes to the customer. At first, I

Implementation of Oracle Auto-increment Data Types   Author: Zhang guiquan   If you often use databases such as INFORMIX and MySQL, you will find that the database system itself provides an "auto-incrementing data class", such as the serial variable

  Listener Configuration: # Listener. ora network configuration file: D: \ oracle \ Network \ admin \ listener. ora# Generated by Oracle configuration tools. Sid_list_listener =(Sid_list =(Sid_desc =(Global_dbname =Chenjian)(ORACLE_HOME = D: \

1. Why can't I export the data using the Create_time , It may be that the date in your pipedate field contains hours, minutes, and seconds.To_date ('1970-08-19 ', 'yyyy-mm-dd') = '1970-08-19 00:00:00' So there is no record. That is, your 12:01:12

The data dictionary in Oracle is a very important part of the database and provides information about the relevant database. It is used by all oracle users (from application end users, application design developers to database administrators) is a

  Row-X (SX) locks are 3 in the Oracle locks, which are row-level exclusive locks. Before submission, DML operations such as insert, update, delete, and lock row share are not allowed.   For more information about Oracle locks, see:   Oracle Lock

The previous articles about oraclebinary options are as follows:   Oracle binary options description Http://blog.csdn.net/tianlesoftware/article/details/7577637   Description of relink binary options for a single oracle instance Http://blog.csdn.net/

  SQL statement: /* Formatted on 14:51:13 (qp5 v5.185.11230.41888) */select D. tablespace_name, space | 'M' "sum_space (m)", blocks "sum_blocks", space-nvl (free_space, 0) | 'M' "used_space (m )", round (1-nvl (free_space, 0)/space) * 100, 2) | '%'

 1. tablespace map description Both Oracle OEM and toad tools have a function called tablespace map.   The official Oracle 9i documentation describes the tablespace map function: Http://docs.oracle.com/html/A86647_01/extent.htm   Tablespace map

In AWR, we may see the following information:     Here, the read byother session takes a lot of time.   Read by other session is described as follows: When informationis requested from the database, Oracle will first read the data from disk beyond

   1. OS and DB versions Oracle version: 11.2.0.2 Operation System: HP-uxitanium 11.31    2. Alert Log Information   Tue Oct 22:27:31 2012 Exception [type: SIGSEGV, address not mapped to object] [ADDR: 0xc00000000] [PC: 0x400000000631b880, evaopn3 ()

   1. What is GPNP?   Grid Plug and Play (GPNP): Foundation for a dynamic cluster management (1) gpnpeliminates the need for a per node configuration -It is an underlying gridconcept that enables the automation of operations in the Cluster -Allows

  When RMAN duplicate is executed, the following error is reported and then interrupted:   Dbgsql: Target> begin: fhdbi: = dbms_rcvcat.getdbid; end; Dbgsql: sqlcode = 6550 Dbgsql: B: fhdbi = 32767 RMAN-00571: =========================================

    A set of DG built by a friend has been tossing for a long time and has always reported the following error: ORA-12514: TNS: Listener does not currentlyknow of Service requested in connect Descriptor Ping [arc2]: Heartbeat failed to connect

First, you need an oracle operation class, oradbhelper. cs. The Code is as follows: Using system; using system. collections. generic; using system. LINQ; using system. web; using system. data; using system. data. oracleclient; /// /// abstract

1. Connection commandsConnection: Conn [ect] user name/password @ network server [as sysdba/sysoper] If you log on to SYS, because sys can have two roles, You need to log on in the "Connect user name/password as role" format and specify the login

Symptom description:Installed successfully in Win7-64bitOracle_win64_11gr2_databaseAndPlsqldev715AfterWhen plsqldev is started, it cannot recognize the Oracle instance Main reasons:A 32-bit application PLSQL developer encountered an error when

Procedure Create or replace procedure ivan_sptest1 ( Material_no in sd_form_box.material_no % type, Pallet_id in sd_form_box.pallet_id % type, Box_id in sd_form_box.box_id % type, V_ds1 out sys_refcursor, V_ds2 out sys_refcursor ) Is Sql1