Most WEB applications today need to adopt at least some basic security policy. For example, a Web site that provides password-protected content, only Web sites with admin backend, blogs and personal magazines, E-commerce sites, intranet, and so on.
# Legal Oracle Identification symbol
1, cannot be reserved keyword
2, must use 1 to 30 characters. The name of the database is up to 8 characters.
3, must start with the letter character in the database character set
4. Can only contain
1, adjust the number of applier process
Applier processes are processes that perform application operations. By default, logical standby starts 5 applier processes, and if the log application task is heavy (or primary a larger database modification)
Server
Some considerations about SQL Server
If you are in charge of a project based on SQL Server, or if you have just contacted SQL Server, you are likely to face some database performance problems, this article will provide you with some useful
Oracle
Oracle Diagnostics Case-spfile case A
Link
Http://www.eygle.com/case/spfile.htm
Description of the situation:
System: SUN SOLARIS8
Database version: 9203
Problem Description: The engineer reports that the database does not start properly
We know that user-owned role permissions are not available in stored procedures. Such as:
SQL> select * from dba_role_privs where grantee='SUK'; GRANTEE GRANTED_ROLE ADMIN_OPTION DEFAULT_ROLE------------ ------------SUK DBA NO YESSUK CONNECT NO
Oracle
Java Web Development environment layout has always been very cumbersome, but also remember to do the undergraduate graduation design configuration JBUILDER2005+WEBLOGIC8.1+SQL2K integration environment, the painful experience, recently
MySQL User management
First, create and delete users
Mysql> select Current_User (); Querying the current logged-on user
+----------------+
| Current_User () |
+----------------+
| Root@localhost |
+----------------+
No permissions were
Over the past decade, Oracle has become one of the most professional databases in the world. For IT professionals, it is important to ensure that Oracle's powerful features are used to improve the productivity of their companies. One of the most
sql| Solution | Object name
Most of the problems resulting from invalid SQL object names are due to data migration, and here's how to solve them.
In the process of using a database, you often experience the problem of database migration or data
Open source database MySQL has developed to today has a very broad user base, some say it has a strong challenge to the traditional business database, and some say it has yet to prove itself in the corporate environment, and this article lists the
5 system Maintenance
5.1 Solaris System
Involved Servers Account1 (218.29.0.239), Account2 (218.29.0.240), ORADB1 (218.29.0.244), ORADB2 (218.29.0.245)
5. 1. 1 System Overview
1. Operating system basic information: UNAME-A will display the operating
From Click on Open link
Scene:
A recent DB server occasional CPU alarm, my email alarm threshold (Please read yù) value set is 15%, the beginning is not the case, thinking is what the statistical category of inquiries, and then more frequent.
Oracle
With the flash-back table feature in Oracle Database 10g, you can easily recover a table that was accidentally deleted
Here's what happens when it doesn't happen: the user deletes a very important table--of course accidentally--and needs to
Record the installation of bbed under--oracle 11.2.0.4
1. Install bbed under Oracle 11G, need to copy three packages from Oracle 10G
Bbedus.msb
Sbbdpt.o
ssbbded.o
Download Address: 32-bit http://download.csdn.net/detail/q947817003/6587001
DB2 magazine is a quarterly journal dedicated to database administrators, analysts, programmers, designers, consultants, and MIS/DP managers covering all DB2 platforms (including IBM AIX, Hewlett-Packard HP-UX, Sun Solaris, SCO UnixWare, Linux,
The company recently put me in charge of developing an app to increase user stickiness. Before you develop the app, talk to your boss about which platform the entity is on first. The boss bluntly first iOS. I asked why, the boss replied: "Our app is
With the popularization of the computer and the development of the network, the database is no longer just the topic of the programmer, but also is familiar to many people, data security is no longer the old "long talk", and more than the previous
oracle| Data | database
first, some concepts of relational databases
1, the value of the primary key can not be changed generally
2. Foreign key: A field that points to another table or to the primary key or unique key of this table. The
Master Eygle's seven tips for DBAs
What is the job responsibility of the DBA? What should the DBA do every day? How can a DBA in a stable environment grow and work?
This is a question that a lot of people have raised, I scribble, the arbitrary
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