Oracle

How to modify the Oracle Default user password expiration time 1, look at the user's proifle, which is generally default: Sql>select username,profile from Dba_users; 2. View password expiration settings for the specified profile (such as

The default data type used by ADF BC is string The basic data types provided in the Oracle.jdo.domain and oracle.ord.im two package include: Data Type Package Represents Number Oracle.jdo.domain Any NUMERICL

Find the leader with employee number 7369: 1 SELECT level,e.* from EMP E CONNECT by PRIOR e.mgr = e.empno 78762 order by level DESC ' Start with '--this identifies all level=1 nodes "Connect by"--describes you to walk from the parent nodes above

After I generate the code with MyBatis generator, the Date Type field in Oracle is only accurate until the date of year, followed by zero seconds, when executing the query statement. Later discovered is jdbctype problem, change into jdbctype=

Database transfer to Oracle fails during ACTION-TRANSFER-JCR ProblemThe database transfer to Oracle fails during the ACTION-TRANSFER-JCR sub-task. The following error is captured in the ConfigTrace.log: [Java] 15:05:22.944

We are all familiar with the Recycle Bin in Windows, the file is deleted and placed in the Recycle Bin can be restored. The Oracle Recycle Bin works exactly the same way, there are some differences in the details of the implementation. In addition,

Oracle's Space database: 2007-12-21 16:31:12 Category: Oracle For a simple study, Collection See below for more information [@more @]1. What is Oracle's spatial database: Oracle's spatial database provides a set of SQL schemas and functions on how

The Oracle database configuration file refers to files that the system needs to load when booting to the "Nomount" phase, also known as Pfile or SPFile, but Pfile and SPFile are different files.The different database configuration files are

Directory1 database modified to Automatic archive mode2 Modifying Rman parameters3 Rman Automatic backup script4 Set up system automatic backup parameters5 Rman RestoreRestore the entire databaseRecover a single table space1 database modified to

Data dictionaries in Oracle have static and dynamic points. The static data dictionary is not changed when the user accesses the data dictionary, but the Dynamic Data dictionary is dependent on the performance of the database running, reflecting

First,     ASM (Automated storage Management): ASM is a new feature of Oracle 10g R2 to simplify the management of Oracle databases, a volume manager delivered by Oracle itself, primarily to replace the LVM provided by the operating system. Not only

SYS and SYSTEM user differences 1 The most important difference, the importance of storing data is different SYS the base tables and views of all Oracle's data dictionaries are stored in the SYS user, which is critical to the operation of Oracle and

And MySQL in contrast to see: http://blog.csdn.net/rainyspring4540/article/details/50231435 This is the oracle10g environment. The database structure is as follows: If I want to show the same name on the same line, there are 2 basic shows:

The first step is to establish an appropriate index. SQL does not add a function in the index field to ensure that the cable is effective. If the composite index is noted in the Order of SQL. If an index is already present, it is recommended that

Please, note. This article was entirely based on a work do by me colleague developer, who hasn ' t got account on this webpage and also h ASN ' t got time to writing this article. I ' m writing it for him. I'll try to forward him the any comments

1. After installing Oracle 11G client, you can find it in the Start menu Select Netca-> Local Network service name configuration Select Add Local network service name configuration Service Name here: refers to the name of the database

The Oracle database uses that primary key generation strategy 1. Automatic Growth identity: For MySQL, DB2, MS SQL Server, a database-generated primary key for generating unique identities for long, short, int types Using the self-added fields of

Group By Type field, sort by code, and remove the first record from each group Method One: Select Type,min (code) from Group_infoGroup By type; Note: The columns following the select are included in the GROUP BY clause, or with aggregate

Before testing has used a DBA approach, this article tests several other methods, as follows:1. To dump records based on RBA (Redo blocks address)--based on RDA2. To dump records based on time3. To dump records based on layer and opcode--the kernel

1. Prepare the installation filesVirtualBox-5.2.8Oracle Linux 6.5 iso image fileXmanager52. Create a virtual machineVirtualBox-5.2.8 installation skipped2.1 Set the global IP in the Host network Manager, menu management, and set the same network