Introduction and use of schema-workbench, a schema file generation tool in mondrian, I. Installation 1. Prepare jdk1.5 + 2. Download tool: psw-ce-126.96.36.199 and decompress (address as follows) Schema-workbench Click Open Link3. Copy the corresponding
Which of the following MySQL fields can be obtained or queried? More: http://www.webyang.net/Html/web/article_138.html Mysql is often used to query specific fields and occasionally needs to display a part of the value of a specific field. How can
Mysql char varchar blob text performance details, varcharblob Char Fixed Length, up to 255 bytes. If the storage space is not full, a space will be filled on the right side of the data. Varchar The maximum length is 65536 bytes. When the varchar
Relationship between locks and isolation levels One. net project, occasionally some strange problems, recently made up effort to troubleshoot and found that it is caused by a deadlock, the following is a deadlock situation map tracked using SQL
The Network Adapter cocould not establish the connection, adapterestablishOriginal article addressHttp://yanwushu.sinaapp.com/the-network-adapter-could-not-establish-the-connection/Problem description The Network Adapter cocould not establish
How to import dmp database files in oracle, oracledmpImporting and exporting Oracle Data imp/exp is equivalent to restoring and backing up oracle data. The exp command can export data from the remote database server to the local dmp file, and the
Db file async I/O submit waiting for event optimization, asyncsubmit Db file async I/O submit wait for event Optimization I. Data Generation db file async I/O submit We often see Wait events for high db file async I/O submit from the database awr
Path to mathematics-sas memo (8), path to mathematics-sas memo Input and Output formats Libname saslib "H: \ sas "; DataSaslib. test4; Input id $ Name: $ char15. Score Birthday; Label id = "student id" name = "name" score = "score" birthday =
Pfile VS Spfile (MOS Note 249664.1), pfilespfile For the original article, see:Http://www.cnblogs.com/haoxiaoyu/p/4308483.html, Better format, more conducive to reading ~~~ ========================================================== ================
Error reported when centos65 was installed on pg935: jade: Command not found, centos65pg935When centos65 is installed on pg935, the following error occurs: jade: Command not found.1[Root @ pghost1 postgresql-9.3.5] #. /configure -- prefix
Temporary tables, external tables, and partition tables in Oracle, Temporary tables, external tables, and partition tables in OracleTemporary table In Oracle, a temporary table is "static". It only needs to be created once like a common data table.
Invalid ale Data Processing and constraints, and invalid ale Data ProcessingOther DML statements for data processing: Constraints Constraint is a provision** NOT NULLUNIQUEPRIMARY KEYFOREIGN KEYCHECK **You can create constraints when creating tables.
Use Goldengate Initial Data Load, goldengateinitial When building ogg, we usually need to initialize the target Library first, so there are many initialization methods. Now we will introduce ogg's own initialization method. Test environment: Souce
Misunderstanding of DML's use of parallelism and misunderstanding of DML's use of Parallelism I always think that we can use parallelism for DML. We only need to add the hint of parallel. Actually, no. Using alter session force parallel dml is the
Detailed description of db file sequential read wait event, dbsequential Db file sequential read (this article is translated by thomaswoo_dba. For more information, see the source) The db file sequential read event has three parameters: file #,
When kettle logs on to the loading job, the following error occurs: Can't find Job 1, kettlejobCause of error: Job 1 is a temporary new job. I did not save the database or local file, so the file cannot be found during loading.Solution: directory C:
Blue growth note-chasing DBA (13): Coordinating hardware manufacturers, six stories: what you see as "servers, storage, switches", dba hardware manufacturers Original Works are from the blog of "Deep Blue blog". You are welcome to repost them.
Cursor: pin S, cursorpin Cursor: pin S OTN is explained as follows: Cursor: pin SA session waits on this event when it wants to update a shared mutex pin and another session is currently in the process of updating a shared mutex pin for the same
Install and optimize Mysql in Linux.System Environment: CentOS 6.5Mysql version: mysql-5.6.19.tar.gzSoftware upload path:/doiido/soft1. Install Mysql1: Firewall opens the corresponding port#/Sbin/iptables-I INPUT-p tcp -- dport 3306-j ACCEPT#/Etc/rc.
11g RAC full installation diagram (VM Workstation8.0 + Centos5.5) 02-Oracle Installation, vmworkstation Run the following command on node 1 (crydb01: [root@crydb01 app]# chown -R oracle:oinstall /u01/app/oracle[oracle@crydb01 database]$