Oracle

AdditionSelect Sysdate,add_months (sysdate,12) from dual; --plus 1 yearsSelect Sysdate,add_months (sysdate,1) from dual; --Add JanuarySelect Sysdate,to_char (sysdate+7, ' Yyyy-mm-dd HH24:MI:SS ') from dual; --plus 1 weeksSelect Sysdate,to_char

This document is intended to show you how to use the HTTP (URL or JavaScript) method in Oracle BI to achieve some specific presentation effects. This document contains the following topics: 1. Use the Go URL to introduce Oracle BI views in an

Mysql/oracle and Hdfs/hbase mutual data via SqoopThe following will focus on the implementation of MySQL and HDFS interoperability data through Sqoop, and the mutual guidance between MySQL and Hbase,oracle and HBase gives the final command.One,

Generate the 10046 trace file:Sql> CREATE TABLE t10046 as SELECT * from Dba_objects; Table created. Sql> Select File_id,block_id,blocks from dba_extents where segment_name= ' T10046 '; file_id block_id BLOCKS------------------------------1

When the database has a serious performance problem or hang, the server side Sqlplus also can not connect, at this time if you want to get the current state information of the database, in order to diagnose afterwards, then we very much need to

1. Installing the RPM Package environmentx86 under:Yum-y Install binutils compat-libstdc++-33 compat-libstdc++-33.i686 elfutils-libelf elfutils-libelf-devel gcc gcc-c++ glibc libxext.i686 glibc.i686 glibc-common glibc-devel glibc-devel.i686

Original: Oracle Cold backup and RecoveryThere are three ways Oracle backup and Recovery works: (1) Data pump (EXPDP/IMPDP) (2) Cold backup (3) Rman backup In terms of classification, (1) and (2) are called "Cold" backups, (3) called "Hot" backups.

Here are the installation test steps:Installing Plsqldev1104.exeThe version is as follows 11.0.4 Unlimited cracked version system win7 64-bit:650) this.width=650; "src=" http://s2.51cto.com/wyfs02/M02/75/C7/wKiom1ZCRj7TxPNNAANWMTmSWEY883.jpg "title="

Sql> CREATE TABLE Test as SELECT * from Dba_objects where rownumTable created.Sql> CREATE index idx_test on test (object_id);Index created.Sql> Select file_id, block_id, blocks from dba_extents where owner = ' lilc ' and segment_name = ' idx_test

ORACLE JDE ERP System after the company on-line, JDE to provide most of the report difficult to use, repair maintenance difficulties, data format, speed and accuracy and user requirements have a large gap, long development cycle, from development,

Create user Create an Oracle user group: sudo addgroup OracleCreate Oracle User: sudo adduser-ingroup oracle OracleAssigning root permissions to Oracle users: sudo gedit/etc/sudoersPress ENTER to open the Sudoers fileAdd under Root all=

Oracle Database 11g Release 2 (11.2.0.1.0) for Microsoft Windows

Today, we share a note of my own study, hoping to bring help to those who meet the same problem.I do not know if everyone in the Win7 64-bit system with PB to connect to the Oracle database, have encountered "Oracle Library Oci.dll couldnot be

The newly installed oracle11g, unexpectedly in use when the user name and password is not remembered at the time of installation.Don't worry, open the sqlplus.Follow the steps below to create a new login user:The first step: Log in with sys

1. Issue backgroundAlthough we do not advocate the modification of primary keys in database operations, we do have this business requirement in real life:表A有主键KA，表B中声明了一个references A(KA)的外键约束，我们需要修改A中某条目KA的值并且更新B中外键约束。However, the DBMS checks the

Appears listener refused the connection with the ORA-12505 error, Solution:1. First restart the computer, release the occupied 1521 port2. Open Oracle Develpoer after reboot3. Then run cmd, open a command prompt, enter the command lsnrctl run stop

The following error occurred with the installation of Oracle Database 12c on Windows 7 64bit:Workaround:First step: Control Panel > All Control Panel Items > Administrative Tools > Services >server StartupStep two: Control Panel > All Control Panel

Common meanspartitions, hash-join, Data Warehouse functions, materialized views, bitmap indexes, etc. are common in the Data Warehouse technology,and the tips listed below are the most commonly used optimization tools/techniques in the project, the

SQL Server Migration Assistant for Oracle sample (2012-03-12 16:23:24) reproduced Tags:ssmaoraclesqlserverit Category: System Introduction:Attempt to migrate Oracle 10GR2 data to SQL Server 2005 (or later).Things

Obtain SQL Execution plans from the most authoritative Oracle Database This document is compiled and summarized based on relevant information. It mainly describes the most authoritative and correct methods and steps for obtaining SQL statement