oracle hrms

· Physical Structure of the Oracle database:The storage structure of the Oracle database includes the physical storage structure and logical storage structure of data. The physical storage structure is the actual data storage unit, and the logical storage structure is the conceptual structure of data.The physical storage structure of Oracle mainly includes:(1) On

Oracle-specific index type resolution, oracle-index resolution2.1 B-tree index (default type)The B-tree index is a common index in Oracle. When creating an index, it is the default index type. The B-tree index can be a (simple) or composite (multiple columns) index. The B-tree index can contain up to 32 columns.In the example, the B-tree index is located in the l

Set up a one-way replication test environment from Oracle to Oracle, configure a management process on the Source side, add an Extract process, and add a local queue path Set up a one-way replication test environment from Oracle to Oracle, configure a management process on the Source side, add an Extract process, and a

The first step: network connection, in my last blog has introduced, no longer said. Purpose of network connection: In order to be able to use the yum command, download files directly on the Internet. Step two: Go to Oracle website to download 12c Database server-Side two files: (Installed in Linux) Linuxamd64_12102_database_1of2.zip Linuxamd64_12102_database_2of2.zip Put these two files in the Linux TMP directory and use the unzip command to ext

Tags: splay SQL mouse Fire Protection Create group Windows fonts directory permissions rapOriginal: 535894461. Installation PreparationOracle Linux 7.3 Other 7 versions are also available, after installation upgrade to the latestOracle Database 12cOracle VirtualBoxXftp 5Xmanager 5Putty or CRT2. Installing virtual machines and Linux environmentsA. Create a new virtual machineMemory according to their own actual conditions to giveConfigure CPU and other parameters (change the pointing device to US

[Oracle Notes] 1. Oracle architecture, oracle routine is a database access tool, composed of a memory structure and background process, always open one, and can only open one [Oracle Notes] 1. Oracle architecture, oracle routine i

Document directory Oracle pagination tips Oracle pagination tips Oracle tips by Vikas Rajan atrey Also see these important notes on estimating the maximum results from a paginated Oracle SQL query. Invariably while developing data intensive Web applications we come into ss the requirementPagination.The term "pagina

Oracle shared service connects to static registration service, oracle static Oracle shared service connection static registration service By default, the oracle shared service is registered to the dynamic registration service.Sys @ PROD3> select * from v $ version where rownum = 1; BANNERCertificate -------------------

Oracle has been installed many times in both Linux and Solaris, and almost never succeeded. At the beginning of the installation, I couldn't even see the installation page. Later, I can see the installation page. Some errors will be reported during the installation process. After the installation is complete, the service cannot be started. Recently, the installation was successful under Solaris and no error was reported. Please share with us. Operatin

Tags: Oracle linux firewall database software1. Download Oracle Luinux 5.8 and Oracle 10g database software2. Operating system Installation(1). Graphical interface Installation(2). System Partition/root partition (9G)/home Install Oracle partition (10G)Swap swap partition (1G)(3). Disable firewall(4). Disable SELinux3.

Oracle released Oracle medical supplier supply chain analysis software: 1. Oracle recently announced the release of Oracle medical supplier Supply Chain analysis software (Oracle Healthcare Provider Supply Chain Analytics), the latest Component of

classic block, but the operating system is 5. x or 6.x, but the database is 10. x or 11.x. The following is a simple record and summary of the installation process.1. First install oracle10g1. Create a group required for oracle InstallationRoot User executionGroupadd oinstallGroupadd dbaGroupadd rule2. Create an oracle userRoot User executionUseradd oracle-g oin

The uninstallation program that comes with Oracle cannot fundamentally uninstall Oracle, which leaves a hidden danger for the next installation. How can we completely uninstall oracle?To clear the Registry directly, follow these steps: 1. Start-> Settings-> Control Panel-> management tools-> servicesStop all Oracle ser

Oracle review, oracle After I got back, I recorded several sets of videos, but I didn't know how to record them when I started recording them. If I recorded a few sets, I had nothing to do. I could record each set for dozens of minutes, in the process, I also read this part of the Oracle database, and gained a lot. learning is a process of repeated accumulation.

Summary of Oracle database architecture, oracle Architecture Oracle DB Architecture An Oracle DB server consists of one Oracle DB and one or more database instances. An instance consists of a memory structure and background processes. Whenever an instance is started, a sha

Oracle data file structure, oracle Data Structure Oracle data structures are divided into physical and logical structures. Physical Structure: data block of the Operating System-> data file datafiles Logical Structure: Minimum database block --> extent --> segement --> tablespace --> databases One tablespace can have multiple datafiles, and one datafiles can b

Label:Preparing to install the Oracle database, refer to: http://blog.csdn.net/mchdba/article/details/430860371, workaround (1), ignore system prereqs[Email protected] database]# export display=192.168.121.218:1.0[Email protected] database]# Xhsot +-bash:xhsot:command not found[Email protected] database]# Xhost +Access control disabled, clients can connect from any host[Email protected] database]# su-oracle

(1) Select the most efficient table name order (valid only in the rule-based optimizer):The Oracle parser processes the table names in the FROM clause in a right-to-left order, and the FROM clause is written in the final table (the underlying table, driving tables) will be processed first, and in the case where the FROM clause contains more than one table, you must select the table with the fewest number of record bars as the underlying table. If you

The remote connection of Oracle database can be implemented in a variety of ways, this article mainly introduces four methods and considerations of remote connection, and through the examples to illustrate, then we begin to introduce.First case:If the Oracle server is installed on this machine, then there is not much to say, the connection is only the user name and password problem. However, be aware that t

Label:Recently began to learn OpenStack, because there is no environment, so do not know how to get started, so download the OpenStack for Oracle Linux version, ready to play (with Oracle account, hehe). This reference is still a lot of information on the Oracle website, I refer to the Ronen Kofman hands-on lab:getting Started with OpenStack on