Oracle

First, Oracle download Note that Oracle is divided into two files, after downloading, two files are extracted into the same directory. In the path name, it is best not to appear in Chinese, and do not appear irregular characters such as

First, the operating environment to build System: WINDOWS7 flagship 64-bit PHP Environment: wampserver2.2e-php5.4.3-httpd2.2.22-mysql5.5.24 32-bit versionDownload Address: http://www.jb51.net/softs/161568.html thinkphp:3.2.3 Official

(1) Select the most efficient table name order (valid only in the Rule-based optimizer): The Oracle parser processes the table names in the FROM clause in Right-to-left order, the last table (driving table), which is written in the FROM clause, is

/*======================================================================Column FUNCTIONS-ORACOL.C======================================================================*//* Returns column data type * *ORADB_CALL1 (const char*) ora_column_get_name (In

Starting with the Oracle 11GR1 release, Oracle provides a recommended solution for database data file fixes to better enable users to choose a recovery approach This becomes more and more intelligent, and we just need to follow the Fix Advice

Open SQL Server Can only run on Windows, without the slightest openness, the stability of operating system systems is very important to the database. Windows9x Series products are focused on desktop applications, NT server only for small and

With PHP you can easily connect to the database, request the data and display it in your Web site, or even modify the data in the database. MySQL is a very popular database, and there are many tutorials about PHP and MySQL on the internet. MySQL is

Oracle Trace Files Oracle trace files are grouped into three types, one is the background alarm log file, which records the activity of the background process during startup, shutdown, and running of the database, such as table space creation,

4 scripts are required to perform RAC installation 1) $ORACLE _base/orainventory/orainstroot.sh (performed at end of Clusterware) 2) $CRS _home/root.sh (performed at end of Clusterware) 3) $CRS _home/bin/vipca.sh (the script is automatically

First, Latch description 1.1 Latch Latch belongs to System lock, which is used to protect a serial locking mechanism of shared data structures in the SGA area. Latch implementations are related to the operating system, especially if a process

After half a month of Oracle Dataguard physical repository configuration and learning, although the version uses Oracle 11g (11.2.0.3), the configuration process still applies to Oracle 10g. In the process of nearly 10 dataguard configuration, it is

Today, a friend asked me how to monitor the operation of a pl/sql, here is a brief introduction to several methods. Describes the simplest method of insert. Their problem is to execute the following Pl/sql code: Sql> SET Serverout on Sql> BEGIN

Oracle's 11GR2 version does not make much of a change to the data pump, mainly by adding support for the original version parameters and removing some small restrictions. This article describes the data pump on the table to improve the way to

To achieve maximum protection mode, you can first implement the maximum performance mode and then convert to maximum protection mode. One or three modes of protection Maximum performance (maximize performance): This is the Data Guard default

Problem one: such as Paugaca JDBC driver: Normally we have three ways to load drivers: 1) class.forname (string) this would like to be a class specified by a String that initializes the static content of the driver at load time, ClassLoader In

A database is a typical representative of a network database. Users can access the database over the network. Oracle database provides a variety of network interconnection schemes, including structure and driver, whose network communication

Index is a common database object, it is set up and used properly, which greatly affects the performance of database applications and databases. Although there is a lot of data on the use of indexing, DBAs and developer often deal with it, but the

The first is a no-response question for the click:If the net Configuration Assistant is available under the client, the server-side NET Configuration Assistant tools are not available for the following reasons.The Oracle_home configuration error in

The archive log (Archive log) is a non-active redo log backup. By using archived logs, you can keep all the redo history, when the database is in Archivelog mode and log-switched, Background process Arch will save the contents of the redo log to the

(The following system and version are basically similar to the WINDOWS7 system and other versions of Oracle11g,windows and other versions of Oracle.) ）I. INTRODUCTION of OracleSummary: Oracle is a relational database management system that is the