Oracle

the square Bracket expression shows Square Bracket Expression Describe [[: Alnum:]] Characters mixed with letters and numbers [[: Alpha:

MVC makes simple business more complexDo not know if you are using the MVC pattern development project, whether it is very troublesome, a simple delete and change check action but to involve multiple file operations.An example of an increase in data

Each Oracle user has a name and password and has some tables, views, and other resources created by it. An Oracle role is a set of permissions (privilege) (or the type of access each user needs depending on their status and conditions). The user can

statement syntax The code is as follows Copy Code case [Expression]When Condition_1 THEN result_1When Condition_2 THEN result_2...When Condition_n THEN result_nELSE resultEnd expression is optional. It's worth

Oracle Paging query statements can basically be applied in the format given in this article. Paging Query format: The code is as follows Copy Code SELECT * FROM (select A.*, RowNum RNFrom (SELECT * from table_name) A

Let's start with some of the scripts we use to back up and restore Oracle databases directly using commands Oracle Data Backup: Step 1 Back up the user data. 1. Connect the Linux terminal using the database administrator account under Linux

Always feel that using Windows to run Oracle is not reliable thing, can this world there are always a lot of people like to do things like this, for the database more common two things: Rman and delete the DG Standby archive log, on the Linux/unix

In the afternoon, a table structure was exported from the production library to test for some problems, because the production library is connected to a table under other users, so by simulating it locally through the view, the view is

Database version: 11GR2First, IntroductionIn Oracle, there is no concept of databases in other database systems, and objects are created under the user. The current user has all the permissions for all objects under the current user, regardless of

If the Oracle version of this machine is a 64-bit system, the following error is reported in the time the Oracle data is called:"Failed to load file or assembly" oracle.dataaccess, version=2.112.1.0, culture=neutral, publickeytoken=89b483f429c47342 "

One IMPDP import--Delete user if user already exists (can connect using Oracle's own sqlplus)sql> Drop user user_name cascadesql>/sql> drop tablespace user_tablespace including contents and Datafilessql>/--Create table space download sql> CREATE

Bbed (Oracleblockbrowerandeditor tools), a tool for directly viewing and modifying data file data, is an internal tool for Oracle that can directly modify the contents of an Oracle data file block, which is useful in some extreme recovery scenarios.

You have a Oracle Form in which that has multiple data blocks and requirement is-commit just one data block change s and not to effect any other data blocks. But suppose you has a Commit_form button also in form which would commit all the data block

Download Source Code Providing an example form for creating hierarchical trees in Oracle Forms to control data Block records. The This form whenever the user selects any node in the tree menu then corresponding the record is displayed at right side.

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The query parameter is provided in EXPDP, which can be used when you want to export part of the data in a table conditionally, as if it were used in the Where condition in the SELECT statement.Database version[Email Protected]>select * from

Course ObjectivesOracle Video tutorial, wind Brother this set of Oracle Tutorial Training Learning User Management/Create/delete/modify,. Permissions and roles are created and managed, password policy 180 days expire processing, database monitoring

There is a feature in the project that needs to get data from an Oracle database, which was thought to be very simple, and changed the original SqlClient into a OracleClient call.The result is far less simple than you think. There are a lot of needs

This parameter is related to the Cardinality Feedback feature. The optimizer can estimate many reasons for incorrect base numbers, such as missing statistics, inaccurate statistics, or complex predicates, the base statistics feedback helps the

This week, after two days of hard work, the customer successfully recovered a set of 10.2.0.5 RAC (ASM) of nearly TB. The database crash directly on April 9.As you can see, when the database starts to report an error, read redo and controlfile