Oracle

In Oracle, You need to query the table where the field name is located based on the field name. This is mainly because, for example, you forget the table name, you only know that there is such a field name, and you want to find the table. In the

  I am not familiar with Linux. In the past two days, we have encountered many problems in the installation and configuration of oracle10201 in RedHat Enterprise as 5. After oracle is installed, once Linux is restarted, the listeners and instances

Oracle still does not take into account the popular Ubuntu release version! The installation of oracle11gr2 is much easier than that of 10gr2, enhancing the Linux Kernel Parameter check and automatic correction function, dependency package check

Oledb for Oracle driver in Microsoft MDAC-- Process parameter: estimated: Location binding The driver supports the latest Oracle8i level and is no longer updated Use this driver. You can only use the ODBC Stored Procedure Call method:

OEM: Oracle Enterprise Manager. Graphical, integrated, B/S-based management tools 1. Create: Emca-config dbcontrol DB-repos create   2. Delete Emca-deconfig dbcontrol DB-repos drop First execution error The second execution can be completed

The command is as follows: Oracle server address: 192.168.2.181 port: 1521 Username: jans2002 Password: password123 Service name Sid: dbsvr If you do not need netmgr to create a service name, you can directly write the IP address port and

The execution method is mainly usedExecuteImmediateExecute the combined SQL statement, for example: Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> -- Dynamic SQL Create   Or  

Solution 1: First, find the installation directory of the Oracle 9i Database client. My directory is D: "oracle, right-click Properties-> Security-> select the User Authenticated Users above, read and run the permission (the selected permission

We know that emca can manually maintain the OEM database, but it is not easy to establish it smoothly during actual operations! The following are personal problems that have been recorded. I. When emca-repos create is executed for the first time,

Oracle provides an audit tool for tracking, recording, and counting all aspects of database activities! -- Sqlserver does not seem to have this function yet! Oracle audit functions Initialized parameter control: built-in Database Audit

Oracle Data Dictionary Let me give you an example of the dictionary. What do we rely on for reading and writing? You will say: Word! Then I ask you, what is your word ?! At this time, you can only explain the statements in the dictionary (Xinhua

Format is used to define the path and naming rules of backup files. Path: If it is definedDb_recovery_file_dest, The backup file is generated in this directory! If not defined, % ORACLE_HOME % \ database [DBS] will be generated in the

  Redo redo logs are as important to Oracle as the liver, and are an important part of Oracle's function of detoxifying and restoring health !! Related Basic concepts: 1. SCN 2. Log serial number 3. Log groups and log members, especially

10046event can track the SQL statements related to Orale. The trace records are recorded in the directory specified by user_dump_dest. There are four levels: 1: Execute SQL statement tracking; 4: bind variables; 8: Wait for the event;

SQL ServerAndOracleFeatures of medium Transaction Processing 1Transaction Features (AcidAttribute) NAtomicAtomicityThat is, the transaction should be taken as a unit of work, and the transaction is processed completely. All the work is either

Alter Database Flashbackup {on |Off} -- Mount -- whether to enable the database flash Function {Begin |End} Backup ---- whether to enable the backup mode of the database {Mount | open} -- started and nomount -- Database loading modes:

Utl_mail Introduction The utl_mail utility package is a new tool for sending emails in Oracle10g. Easy to use. Utl_mail installation and configuration By default, Oracle10g does not install this package. You can run the following script to

I haven't written anything for a while. I think of a function that I wrote to return the number of days when I used the number of days in a certain month in the Oracle query statement.ArticleNow, we have a little time to take it out for your use,

Sometimes, you can view the attribute statements of objects such as tables, storage, and triggers in the following two ways: 1. query the all_source table 2. Use the DBMS_METADATA Package. 1. Use the all_source table First, let's check

If the productionid field of project_manage is set to auto-increment column, the column productionid is of the number type. First, open oralce's SQL * Plus worksheet to connect. Next, create a sequence: Create sequence auto_add --