PHP

1. Name and size of the table store 1. Name and size of the table store 1. Name, size, used size, unused size, used percentage, unused percentage Select tablespace_name, sum (totalM), sum (usedM), sum (remainedM ),Sum (usedM)/sum (totalM) * 1

After debugging and searching for relevant information, we found the cause of the problem: when connecting to the database through jdbc, we need to use the database's sid_name instead of the database's services_name. After debugging and searching

1. Create a database: createdatabasedatabase_name; two methods for creating a database in php: (mysql_create_db (), mysql_query () $ connmy I. create a database: create database database_name; two methods for creating a database in php:

Rownum is an ending field appended to each table by oracle. It records the row number of each row. One drawback of Oracle is that rownum can only be used with rsquo; lt; rsquo; or rsq. Rownum is an ending field appended to each table by oracle. It

StoredProcedure is a set of SQL statements for specific functions. It is compiled and stored in the database. By specifying the name of the stored procedure and giving Stored Procedure is a set of SQL statements for specific functions. It is

1. Check database events and wait for SELECTevent, total_waits, total_timeouts, time_waited, average_waitFROMv $ wait E 1. Check database events and wait for SELECT events, total_waits, total_timeouts, time_waited, average_wait FROM v $ wait E 1

A virtual service cluster is provided for the user. The liunxredhat5.332-bit and oracle10G are installed in the vmware4.3 bar virtual machine, and a client address conflicts with linux. We have created a virtual service cluster for the user. the

Operating System: CentOS5.5 (1) install MySQL on this operating system the most convenient way to install MySQL is to install with yum: [root@localhostyum.repos.d] # yu Operating System: CentOS 5.5 (1) install MySQL on this operating system. The

Oracle's alter file before oracle11g was in the bdump directory. Oracle11g provides Alert logs in XML and traditional text formats. Oracle11g Before oracle 11g, the alter file of oracle was under the bdump directory. Oracle 11g provides Alert logs

We know that the database has at least two sets of online log files, which are recycled. The archive mode stores a copy of the online log file before it is repeatedly reused (overwritten ). We know that the database has at least two sets of online

The set operator is used to merge the results of multiple select statements, including UNION, UNIONALL, INTERSECT, and MINUS. When using the set operator, make sure the difference The set operator is used to merge the results of multiple select

After sorting out the "; Oracle database provides several different ways to start and shut down the Database", I wrote an example when I went back. Here, I encountered a question. After sorting out the "; Oracle database provides several different

1. Fedora13 create users, groups, and directories required for Oracle Installation (1) Add groups and users: groupaddoinstallgroupadddbagroupaddoperuseradd-goin 1. Fedora 13 users, groups, and directories required for Oracle Installation (1) Add

Sometimes we need to modify the sid and dbname of the database. In addition to using rman for backup and recovery, we can also manually modify the sid and dbname, mainly completed by two main processes: 1. Repair Sometimes we need to modify the sid

The process of installing Oracle11.2rac on vmwareworkstation7 is very painful. Record the configuration of the VM file:. encodingquot; GBKquot; scsi It is difficult to install Oracle 11.2 rac on vmware workstation 7. Record the configuration of the

1. Statement to modify the oracle user password alteruseredw1010identifiedbyedw1010; in fact, this is very simple, but because it is not commonly used, it will appear a bit 1. Statement to modify the oracle user password alter user edw1010

21. For typical Oracle software installation, select the server type and select RAC on the typical installation configuration page: Software location u01apporacleproduct11.2.0db _ 1 gobaldata 21. Typical Oracle software installation: select a server

1. Install CentOS5.5i386. All are installed by default. Disable SELinux and firewall. 2. Check the rpm package # rpm-qa -- queryformatquot; % {NAME}-% {VERSIO 1. Install CentOS 5.5 i386. All are installed by default. Disable SELinux and firewall. 2.

This script was found online in and used in the official system after modification. The database name was changed to LinuxIDC. com1. first, create the sh file and create it in usrbin. This script was found online in and used in the official system

I. Preparations Note: because it is installed on a server that already exists and has been used by multiple parties, you must first confirm whether Mysql1 and g have been installed on this Linux server. I. Preparations Note: because it is installed