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Oracle lab environment setup (Windows + Oracle 11g) I. systems and software Windows 7 + Oracle 11g 2. Prepare the installation environment Prepare for ORACLE Installation 1. Delete Environment Variables D: \ oracle \ product \ 11.2.0 \ dbhome_1 \ bin \ Note: Only some

ORACLE Experiment 2: oracle Experiment Experiment 2: Data manipulation Lab hours: 4 hours Lab type: Comprehensive Lab requirements: Required I. Tutorial Purpose 1. Master SQL data query statements; 2. Master the use of SQL Aggregate functions; 3. Master the use of SQL insert, modify, and delete statements. Ii. experiment content 1. Import sample data to the project procurement database based on experiment 3

Oracle's memory configuration is closely related to Oracle performance. Configuration of memory is the configuration that most affects Oracle performance. Memory also directly affects the consumption of two other important resources: CPU and IO. First look at what the main content of Oracle memory storage is: Program code (PLSQL, Java); Information about the s

Write in front: In the work, the general installation of Oracle oneG client, configure Net Manager (installed client or server), remote connection to the Oracle database to meet the needs of connecting the database. If you want the machine to operate Oracle, you need to install Oracle one-to-oneG server.

a question of translation. Executes the second window first, because the query statement executes very long, at this time to execute the first window, the discovery can be inserted successfully , so it can be proved that even in the serialization mode, the query operation will not block the insert operation. Systems that meet the following characteristics are suitable for use with serialization isolation (serializable isolation): ? Data is large, but transactions are short, only databa

Label:Free installation of Oracle clients using PL/SQLThe Oracle client is annoying, and deploying a connection to it usually requires the client to install it, and the installer requires the registry to be written on the target machine, assuming you're not a neat freak, you could still be stuck with something like this: when other programs on your machine rely on x64 's

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

The problem occurred when installing Oracle 10g. Later, I asked my roommates to re-send an Oralce 10g Client installation package and install it. It was possible to use PL/SQL at the beginning. Later, due to work needs, an Oracle database backup was sent from an import colleague at a time, which was run in the command line An error 6550 occurs when you use the IMP statement for import. The reason for online

Oracle HowTo: how to change the location of Oracle data files in Oracle Database in read-only mode. There are multiple ways to move the location of data files. I have introduced several methods before: Oracle HowTo: in non-archive mode, how does one change the data file location? O