151510 1450 Select Se.last_name,se.salary,se.dept_id,temp.avgsalFrom S_emp SE, (Select Dept_id,avg (Salary) AvgsalFrom S_empGROUP BY dept_id) Tempwhere se.dept_id = temp.dept_idand Se.salary > temp.avgsal; 1. Query for employee information2. For example, to find out the staff information in Sector 41st, which is higher than the average salary of department 41st (this department) Select AVG (Salary), dept_idFrom S_empGroup BY DEPT_ID; Select last_name,salary,dept_idFrom S_emp; Select S1.last_na
Refer to http://www.oracle.com/technetwork/tutorials/tutorials-1876574.html for detail.
Some of the content is copied here.
The G1 garbage CollectorThe Garbage-first (G1) collector is a server-style garbage collector, targeted for multi-processor machines with large mem Ories. It meets Garbage collection (GC) Pause time goals with a high probability, while achieving high throughput. The G1 garbage collector is fully supported in Oracle JDK
Tags: U-disk installation CentOS 7 U-disk installation Red Hat 7 U-disk installation Oracle Linux 7When we install the latest Red Hat 7.0 and CentOS 7.0 and Oracle Linux 7.0, we typically use a CD-ROM to install it. When the serve
Init is one of the most indispensable programs in Linux system operation. Init process, which is a user-level process initiated by the kernel. The kernel will find it in several places in the past that used Init, and its correct location (for Linux systems) is/sbin/init. If the kernel cannot find Init, it will try to run/bin/sh, and if it fails, the boot of the system will fail.Linux
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 vir
Fedora is an operating system and platform, based on Linux. It allows anyone to freely use, modify, and redistribute, both now and in the future. It is developed by a vast community of members who, with their tireless efforts, provide and maintain free, open source software and open standards. Fedora Core is part of Fedora Project and is supported by Red Hat, Inc.
Fedora Linux
Oracle Enterprise Linux (v5.7)-(3/5) http://www.cnblogs.com/chanchifeng/p/6818010.html in VMware [Learn] Installing Oracle Enterprise Linux (v5.7)-(4/5) http://www.cnblogs.com/chanchifeng/p/6818039.html in VMware [study hard] Install
Fedora is an operating system and Platform Based on Linux. It allows anyone to use, modify, and re-release freely, No matter now or in the future. It is developed by a large community where members make unremitting efforts to provide and maintain free and open source software and open standards. Fedora Core is part of the Fedora Project and is supported by Red Hat and Inc.
Fedora Linux
Oracle SQL handler, yesDesigned for Oracle database developers and operatorsA carefully crafted Oracle client tool:Ultra-intelligent SQL Editor;Ultra-convenient table operations(You can update the data warehouse table by modifying the cell data of the table );Export data in multiple formats, including xls, CSV, insert SQL, HTML, and XML;Chinese and English Interf
Install Oracle 10.1.0.3g for Linux in Fedora Core 7
1. system resource requirements (these are all nonsense. Now all configurations can meet this requirement !! Haha)
1,At least1gPhysical memory,The hard disk space is large enough. (You can skip the following steps)
2. 1024-2048 requires 1.5 times of swap space
3. 2048-8192 requires 1 time of swap space
small. To revert it back to storage just run following command and REBOOT machine to be effective.Systemctl Mask Tmp.mountInstall database SoftwareLet's start with database software installation as Oracle user.Su-oracle--unzip Software 11.2.0.4unzip p13390677_112040_linux-x86-64_1of7.zipunzip p13390677_112040_linux-x86-64_ 2of7.zip--i defined 4 aliases in. Bash_
-x86-64_ 2of7.zip--i defined 4 aliases in. Bash_profile of the user Oracle to make--administration heaven:) [[email protected] ~]$ Ali As Envo cdob Cdoh tnsalias envo= ' env | grep ORACLE ' Alias cdob= ' CD $ORACLE _base ' Alias cdoh= ' CD $ORACLE _home ' Alias tns= ' CD $
Oracle user password.
Check the limits.conf file parameters, in my version, there is no need to change.
But to add a line of Oracle stack 10240
Check the sysctl.conf parameter and do not need to modify it in my version.
Finally, run the next file.
[Learn] Install Oracle Enterprise
Configure VNC Server in Oracle Linux 7
DBAs, in the process of creating an Oracle database, dbca and netca images are generally used for database creation and listening (if you use a script to create a database). Therefore, graphical operation tools are essential, in the Linux
Tags: VirtualBox oracle Linux 7 Oracle Linux remove OpenJDKI ' ll start coding with JEE soon. Product Environment adopts Oracle + WebLogic in Linux, technology adopts EJB3 and JPA. So I
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