Oracle

1. Install \oracle\10201_database_win32.zip;A) installation diagram: http://jingyan.baidu.com/article/5d6edee228308899eadeec3f.htmlb) Note: the compatibility settings for the setup.exe executable file are as follows:2. Install the Plsqldev8.0.zip

To be verified 1. Create a student information sheet student_info, which contains the following information: School number, name, gender, birthday, home address, contact phone number; Create a student score table student_score  contains the number,

I. Classification of database permissionsA permission is a user's right to have execution on a feature. In Oracle, permissions are divided into system permissions and object permissions.1. System permissionsThe system specifies the user's permission

There are several ways to store data from SDE storage in ArcGIS to Oracle, including binary long Raw, Esri St_geometry, and sdo_geometry based on Oracle spatial, among others. The pros and cons of each of these approaches are not the main areas of

This article turns from http://www.jb51.net/article/19823.htmFirst, you set the Allow Oracle system to start automatically in Rhel because it is set to disallowed by default. To do this: Modify the/etc/oratab file under the root account:#

First, the userWhen you create a data instance, Oracle creates some default database users, such as Sys,system and Scott. SYS and system users are users of Oracle systems, and Scott users are a test account for the Oracle database, which contains a

Partitioned tables have many advantages, such as small, small, and parallel use, in the LOAP can often improve the effect of dozens of times times or even hundreds of times times. Of course, the design of the table is not good and counterproductive,

Requirements: Migrate Oracle database data files, redo files, control files to other local directories.1. Test environment:Operating system Redhat 6.3, database Oracle 11.2.0.1.0[Email protected] ~]# uname-Alinux Dbtest12.6. +-279. el6.x86_64 #1SMP

Chapter three single-line functionOracle Basic Note 21. Single-line function:Manipulating Data ObjectsAccept parameter Returns a resultTransform only one rowEach row returns a resultData types can be convertedcan be nestedThe parameter can be a

Original link http://database.51cto.com/art/201004/192790.htmThe following article focuses on SQL statements that describe Oracle replicated tables, including how to replicate the table structure of SQL.And how to copy the structure of the related

In Oracle, the control file is extremely important, if the file is damaged and in the absence of backup, the database will not start, the data will not be read recovery, in general, the database is configured to back up the control files later:1.

In Oracle, indexes are basically divided into the following categories: B*tree index, reverse index, descending index, bitmap index, function index, intermedia full-text index, etc., most commonly B*tree index and bitmap index.(1) , index-related

1. A dynamic performance view of the database/instanceV$database:d isplays information about the database from the control file.V$instance:d Isplays The state of the present instance (status of current instance)V$option:displays Oracle Database

An Oracle tablespace is a logical partition where a data file can belong to only one table space, and a tablespace may have multiple data files.In general, if an instance is assigned to more than one app, you need to create a different table space

Four ways to increase table space sizeMEATHOD1: Adding data files to table spacesALTER tablespace App_Data ADD datafile' D:\ORACLE\PRODUCT\10.2.0\ORADATA\EDWTEST\APP03. DBF ' SIZE 50M;MEATHOD2: Add data file and allow data file to grow

DDL locks are divided into three types1. Exclusive DDL Lock2. Sharing DDL Locks3. Can interrupt the resolution lockMost DDL have exclusive DDL locks, such as a table being modified, you can use Select to query data, but most operations are not

Environment:CentOS Release 6.4 (Final)First, download the file1. To view the Oracle version first, the corresponding SQL is as follows:SELECT * from V$version;2, according to Oracle version download the corresponding version, first download the

The first parameter of the ORA-07445 isOn Version 11.2.0.1.0, executing an SQL statement in pl/SQL developer will cause connection interruption. To solve this error, locate the error log file in the trace directory and locate it. I checked the

View the Oracle query principle from the Select statement (understand the Oracle query mechanism), selectoracle Step 1: the client sends the statement to the server for execution When we execute the select statement on the client, the client sends

Oracle Database Security reinforcement record When an application system performs classified protection, it needs to reinforce the database. According to the process, it must first pass the test in the test environment and then apply it to the