Database Administrator

If the following error occurs during compilation:Checking for tgetent in-ltermcap... NoChecking for termcap functions library... Configure: error: No curses/termcap library foundIt indicates that the curses/termcap library is not installed. For this

Appendix: The following are additional steps. If you want to run the MySQL database on this server, perform the following steps. If you only want PHP to support MySQL extension libraries and connect to MySQL Databases on other servers, you do not

PRAGMA EXCEPTION_INIT (DEADLOCK_DETECTED,-60 ); EXCEPTION_INIT refers to the command. We can understand it literally, that is, EXCEPTION initialization. The syntax is also simple. pragma exception (exception_name, error_number ); Everyone has

PhpMyAdmin is mainly used to manage mysql on the web interface. The Installation Method in Fedora is as follows: 1. yum install phpMyAdmin The path of phpMyAdmin installed using yum is as follows: Installation

Create a database manually on the Linux platform (Oracle 10 Gb)After installing the Oracle software, you can create a database manually without using dbca.In the process.1. First set the SID of the ORACLE to be created. If this variable is set in

After installing the Oracle software, you must configure listener to create a database in dbca, but netca reports the following error. Oracle Net Services Configuration:## An unexpected error has been detected by HotSpot Virtual Machine:## SIGSEGV (0

In Linux/UNIX operating systems, mysql or Oracle is generally used to use databases. This article describes how to install mysql in RHEL4. Other unix-like systems are also applicable. Token) 2. Decompress mysql to/usr/local.# Tar zxvf

The company's recent MySQL always has a large number of lock tables. After analysis, it basically uses the MYISAM Table engine. A large number of reads and writes to a table by MYISAM will cause the entire MySQL table to be locked, as a result,

So far, Oracle databases are the most difficult to install among the many software I have installed in linux. Fortunately, I just successfully installed oracle database on linux OS. In retrospect, it is not difficult to install an oracle database.

Requirement: at the end of some activities, you need to query game data at a certain time point in time. Implementation: Two Methods One worker uses mysql.exe + at/to schedule tasks D: \ mysql \ bin \ mysql.exe-u "username"-p "password" dbname --

If multiple instances are installed on an Oracle Server, which instance is connected when sqlplus/as sysdba is executed? In fact, when sqlplus/as sysdba is executed, the user name and password can be entered at will, or as it is now blank without

Symptoms:An error is reported when RMAN copy is executed.ORA-01276: Cannot add file + TESTDG/rac/datafile/system.416.8333820.5. File has an Oracle Managed Files file name.As follows:RMAN> copy datafile 1 to '+ TESTDG/rac/datafile/system.416.833384105

The field number is used when you create a table, The main problem is to use java to connect to the database, so there must be a pojo class, Like the number field, int Is Not Enough, long is difficult to convert, and it is prone to errors. Suddenly

VIP cannot be started normallyDescription: Our environment is 2 node RAC, and node 1 is down due to physical faults.In this case, I want to start the VIP of Node 1 from node 2 so that the single node is transparent to the user program. [Oracle @

Here I have selected the version of mysql-5.5.33-linux2.6-x86_64.tar.gz. You can select it based on your actual needs.1. MYSQLhttp: // mirrors.sohu.com/mysql/2. Download the source package wget

Reset the MySQL password: Stop the MySQL service and start it with the skip-grant-tables parameter. Service mysqld stop;Mysqld_safe -- skip-grant-tables -- user = mysql & In this case, you can access the MySQL command line without

MySQL authorization and status query Create database odi; -- CREATE an ODI DATABASEGrant all privileges on *. * TO odi @ '%' identified by 'odipasswd'; -- remote authorization;Flush privileges; -- refresh the authorization tableDelete from user

Impdp fail with ORA-31623 FYI: Data Pump import and export job use queues, streams and java objects. If we see any job component is invalid (e.g. dbms_java, queue dictionary scripts not run, rdbms/admin/utlrp. SQL not run) we may see the ORA-31623

When using the Innodb engine, Innodb has two ways to manage and select two types of tablespaces. Shared tablespace: it can also be split into multiple small tablespaces. Independent tablespace: Each table has an independent tablespace. In terms

I. Preparations1. install various dependent packages in yum[Root @ WebServer ~] # Yum-y install gcc-devel gcc-c ++-devel autoconf * automake * zlib * libxml * ncurses-devel ncurses libgcrypt * libtool * cmake openssl -devel bison-devel unzip 2.