how to connect to oracle

Connect Oracle with Java, after running for a period of time, program error, connection failed, ora-28000theaccountislocked, this reason occurs because the user is locked Connect to Oracle with Java. After running for a while, the program reports

ORA-12518: Error Client Connection Failed solution: Step 1: process and session change large check process and sessiona) local use to connect to oracle, view process count: selectcount (*) fromv $ process; -obtain the current number of processes in

Method 1: As you all know, to connect to Oracle using PL/SQL, you need to install the Oracle client software. Have you ever wondered whether to directly connect to Oracle without installing the Oracle client? In fact, I always wanted to do this,

Oracle CREATE user ORA-01045: user lacks create session privilege; logon denied .. conn internal/oraclegrant user aaaa identified by aaaa; conn aaaa/aaaa will report ERROR: SQL> conn aaaa/aaaa will report ERROR: ORA-01045: user aaaa lacks CREATE

Operating system authentication in windows has recently learned Oracle by myself, if you see the OS _authent_prefix parameter, you can see the official explanation of Property DescriptionParameter type StringSyntax OS _AUTHENT_PREFIX =

I am not familiar with oracle, and I have only done one job for. net and oracle development projects. Recently I changed my computer, installed a 64-bit win7 system, and installed a bunch of software. I am going to list some questions that have been

Data pump (Data Pump) first defines oracle: "Oracle data pump technology enables very high-speed movement of data and metadata from one database to another. "It sounds awesome. I don't want to consider it for the moment. First, I would like to take

The racle database system is a complex software system. Without understanding its internal structure principles and relationships, it is impossible to design and Compile High-Quality application software systems or manage a complex application

Show parameter service_names select instance_name from v$instance;   Db_name is a real physical name. SERVICE_NAME carries the domain name, because if the two databases do not have the same domain, they can have the same name. The SID is the

Expdp Scott/tiger directory = DP tables = T1 schemas = Scott dumpfile = t1.dmp logfile = t1.log query = '"where hiredate> to_date ('2017-01-02 ', 'yyyy-mm-dd ')"'   C: \ Users \ Administrator> expdp Scott/tiger directory = DP tables = Scott. T1

Author: skate Time: 2010-08-31   The following error occurs when testing the speed of exp and expdp: ORA-39095: dumped file space exhausted: unable to allocate 4096 bytesThe job "sys". "sys_export_table_01" was stopped at 13:50:54 due to a fatal

§ 2. 7 Oracle Memory Structure As mentioned above, Oracle database instances are composed of a group of background processes and memory structures. The memory structure includes: System Global Area) Program Global Area) § 2. 7.1 system global

The following uses JDBC to connect to Oracle 10 Gb as an example. Java can connect to the database through JDBC. Download the JDBC jar package. Details are as follows: AD: The following uses JDBC to connect to Oracle 10 Gb as an example. Java can

As we all know, to connect to Oracle using PL/SQL, you need to install the Oracle client software. Have you ever wondered whether to directly connect to Oracle without installing the Oracle client? You only need to download a software named Instant

  Rails connection to Oracle Database Preparations: 1) install ActiveRecord Oracle adapter     Sudo gem install activerecord-oracle-adapter -- source http://gems.rubyonrails. org2) install Oracle

Some users have asked this question before. I want to associate data. This is very simple. ArcSDE provides many association methods, such as join, view, and QueryLayer. For details, see blog. csdn. netlinghe301articledetails6649717 Some users have

The Client Version is 10.2.0.1.0 32-bit, and the server is 9.2.0.4.0 64-bit. Client Connection server reported ORA-28547: Connection server failed, may be an Oracle Net management error.The status is as follows: C: \> sqlplus "sys/Oracle @ vm9i as

1. Oracle Installation Please refer to the following link for more information: http://wenku.baidu.com/view/d01ffd43336c1eb91a375d68.html. 2. Use the command line sqlplus to connect to Oracle (1) Check the listening status C: \> LSNRCTL

When using exp to export data in Linux: Connect to: Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-ProductionWith the Partitioning, OLAP and Data Mining optionsThe ZHS16CGB231280 Character Set and AL16UTF16 NCHAR character set have been

Some time ago, I helped a friend recover a damaged dmp file, which is more than 100 Gb. I recorded the recovery process and briefly summarized it.I. DescriptionThis dmp file is exp from an Oracle 9i Database. Two types of errors may occur randomly