Database Administrator

Objective: to migrate the system from Oracle to Sybase. Command Overview: C: \ Documents ents and Settings \ newuesr> isql-helpSyntax Error in '-help '.Usage: isql [-B] [-e] [-F] [-p] [-n] [-v] [-X] [-Y] [-Q][-A display_charset] [-A packet_size] [-c

A Linux job needs to compile a MySQL by itself, but there is already a MySQL on my system. Compile another one. The most troublesome thing is not to compile, but to make the two coexist. There is no difference between the previous compilation

The developers of the MySQL project team announced a new software version release model, which aims to create a more dynamic, accessible, open, and understandable development model. This means that the existing development mode will not be used in

I 've been hearing that installing Oracle on Ubuntu is quite troublesome. I 've experienced it today and may be lucky. There's no problem. Just record it and declare that I installed Oracle XE, that is, the quick version mentioned on the official

How to solve the problem of max_allowed_packet is read-only when BugZilla is installed on Fedora 11Problem description: When I have installed all the perl modules and MySQL databases, the following error occurs when I run./checksetup. pl:DBD: mysql:

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Differences between stored procedures and functions in Oracle 1. You can use the out parameter to return multiple values. Generally, multiple return values are used. If only one return value exists, use the function. 2. The process call itself is a

PL/SQL connection configuration in Oracle non-cluster:DB1_193 =(DESCRIPTION =(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP) (HOST = 59.208.39.193) (PORT = 1521 )))(CONNECT_DATA =(SERVICE_NAME = bester))) Non-cluster java connection urlUrl = jdbc:

Today I found that an Oracle Test Library character set is incorrect, the original character set is UTF-8, the correct character set should be ZHS16GBK, because the UTF-8 is the superset of ZHS16GBK, can not be modified, can only re-build the

Oracle Database cloning is also called Oracle Database Replication. It can be achieved through user management or RMAN. In addition, Oracle recommends using RMAN because it is easy to use and hides its complicated logic. You can just run a duplicate

I have heard of the restoration (restore) database, tablespace and database files, and the use of archive log recovery (recover) database, tablespace, and database files. Restore. What about restoring archived logs? Yes, we may ignore the archive

-- ======================================-- Configure sqlnet. ora to restrict IP Access to Oracle-- ====================================== Similar to the firewall function, Oracle limits and allows a specific IP address or host name to access the

Currently, Redis does not provide the cluster function. To provide services for multiple Redis instances at the same time, you can only implement it through the client itself (Memchached is also the client for distributed implementation ). According

1. twemproxy release E When we have a large number of Redis or Memcached instances, we can only use some data distribution algorithms (such as consistent hashing) on the client side to implement Cluster Storage features. Redis Cluster has been

Generally, the database processes SQL statements through three processes: parsing (parse), executing (exec), and returning results (fetch) 1. Resolution When a user initiates an SQL statement, Oracle receives the SQL statement to the oracle instance

Oracle Net tool (command) tnsping is an OSI Session Layer tool used: 1) Verify the name resolution (name resolution, which is the name of the oracle Network Service) 2) whether the remote listener is enabled 1. Remote tnsping 2. Disable

The Installation Method of MySQL 5.5 is slightly different from that of MySQL 5.1. The main difference lies in the configuration environment. For the installation method of MySQL 5.1, refer to build the LAMP environment (source code method ). This

Environment: I use the VBOX virtual machine, a host that has installed the Oracle database and GOLDENDGATE. The other one only installs the ORACLE database.Configure the database environment, goldengate users, and install GoldenGate. For more

Objective: To migrate an Oracle database from one machine to another machine (the same as a linux platform) and set it to a different path and Instance nameSource end:ORACLE_BASE =/u01/app/oracleORACLE_HOME =/u01/app/oracle/product/10.2.0/db_1ORACLE_

Backup and recovery are required for any database, which is of much importance and everyone understands. Mongodbalso describes the functions of tracing and restoration, which are the mongdump.exeand mongorestore.exe files downloaded by