I put it all under the $oracle_home/rdbms/admin, it looks like an ORACLE-provided script
$ cat Show_para.sql
Col P_name for A40
Col p_description for A50
Col P_value for A30
Set Linesize 10000
SELECT I.KSPPINM P_name,
I.ksppdesc P_description,
Whether one or more disks respond to a logical I/O, we all require that I/O be processed at once. Therefore, on the basis of determining the band depth, we need to ensure the stripe bandwidth degree >= I/O request size/stripe depth.
In addition,
We typically install the Oracle database on Linux or configure the core parameters of the Linux system when replacing or upgrading the hardware, and then adjust the Oracle system parameters. The actual meaning of these parameters is what, why to
Partitioning pruning
Partitioning pruning means that for partitioned tables or partitioned indexes, the optimizer can automatically extract the partitions that need to be scanned from the from and where words according to the partitioning key, thus
Oracle's sequence is a database object that generates ordered numbers, primarily for automatic generation of primary keys. Without Sequence, the automatic generation of a primary key must be implemented in code logic, which is to get the current
The. NET remote connection Oracle database looks pretty simple, but there are still a lot of problems. Let me share the experience of tossing this thing today.
There are many ways to access Oracle database, I use OleDbConnection, this is nothing to
Oracle Oracle does not support limit similar to MySQL. But you can still rownum to limit the number of rows returned by the result set.
If you only want to return the first 10 lines of records, you can write this:
SELECT * FROM table WHERE
oracle| Program | pagination
paging test
How do you split the result into pages and like ' limits ' in MySQL?
// ===========================================================
Tutorial by Neil Craig
Oracle|window PHP in the Linux/unix to connect Oracle8 is very easy, but under the Windows platform is not easy, I after a long exploration to find a reliable way, do not dare to enjoy alone,
It is now published for the feast.
The author uses the
This chapter describes two main components of the Oracle 9i Network-the installation and configuration process of the database server and the management client. The purpose of this chapter is to help readers understand how to install Oracle 9i and
js|oracle| Data | database | questions
how to deal with the large types of CLOB and BLOBs
CLOB can be used to store large text data, storing up to 4GB of data, and is more common in application development. Java provides a corresponding Sql.clob
ORA-00235 controlfile Fixed table inconsistent due to concurrent updateORA-00235 Control file fixed table inconsistent due to concurrent update cause Concurrent update activity in a control file caused a query on a control file fixed table to read
Constraints are the mechanisms that Oracle database systems provide to restrict the integrity of data. Oracle 9i allows the creation of 5 constraints. See table 7.8.
To create a check constraint
(1) In the Manage Target navigator, follow the steps
oracle| function
In Oracle/plsql, the SUBSTR functions allows you to extract a substring a string.The syntax for the SUBSTR function is:substr (String, start_position, [length])
DescriptionThe string is the source string.Start_position is the
oracle| Backup | timed
How do I make a backup (logical backup) of Oracle without a third-party tool?Previously in this article http://blog.csdn.net/great_domino/archive/2005/01/18/257414.aspx point to a little, but not detailed said!Now the way to
oracle| Page | data | database | Most of the sites will take into account the interaction between users. At this time, with the message version of the function, allows users to stay here, or some of the interaction with the site information.
In the
oracle| data
My test environment: Hp rp7410 Host, hp-unix11.11 os,oracle8.1.7.4 database, a test table space tbs_test with 90 tables around 100G.
Issue: There is a significant efficiency problem in Oracle using drop tablespace including contents
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