pentaho metadata

Turn from: http://ctripmysqldba.iteye.com/blog/1938150 (modified)When MySQL is doing DDL operations such as ALTER TABLE, there are times when waiting for table metadata lock is waiting for the scene. Furthermore, once ALTER TABLE TableA's operation is stuck in the waiting for table metadata lock state, any subsequent operations on TABLEA (including read) will not work because they are also in opening The ta

ASP. net mvc Model metadata (1) Preface When I was a beginner, I was vague about the concept of Model metadata, or I didn't have a Model in my brain, as a tom, I still couldn't understand some articles on the Internet. Then I tried to back down. I was about to skip this part to learn other articles, in this process, I did not have the spirit to do anything. Just like a thorn in my heart, I finally turned ba

In terms of how organizations process data, Apache hadoop launched an unprecedented revolution-through a freely scalable hadoop, it can create new value through new applications in a shorter period of time than before, and extract the desired data from big data. This revolution attempted to enable enterprises to establish a hadoop-centered data processing model, but it also posed a challenge: how can we collaborate freely with hadoop? How can we store and process any expected data and share the

Design Mode-Metadata Mode In the flyweight mode, the original intent is the "lightweight" mode.It is used to solve the situation where a large number of identical objects are instantiated multiple times, resulting in a large amount of memory usage.. Sometimes we need to use the public instance method in a class multiple times. Our common practice is to first create an instance of this class and then call this method of this class, after the

What is meta-data? The explanation of the Baidu Encyclopedia is that the data describing the data, which is primarily descriptive of the data properties, is used to support functions such as indicating storage location, historical data, resource lookups, and file records. Metadata is an electronic catalogue, in order to achieve the purpose of compiling a directory, it is necessary to describe and collect the content or characteristics of the data, and

Tags: serve view ada scene This state pen list simpleTransfer from http://www.cnblogs.com/digdeep/p/4892953.html Turn from: http://ctripmysqldba.iteye.com/blog/1938150 (modified) When MySQL is doing DDL operations such as ALTER TABLE, there are times when waiting for table metadata lock is waiting for the scene. Furthermore, once ALTER TABLE TableA's operation is stuck in the waiting for table metadata lock

In the project, use unity as the IOC to concatenate the entire project and integrate WCF and ADO. NET Entity Framework, initially showed that unity could not construct the object. After being ruled out, it was found that ADO was used. the following exception occurs when the NET Entity Framework constructs the application: Unable to load the specified metadata resource.Exception information:System. Data. metadataexception was unhandledMessage = "unable

Class and metadata Declaration Translated fromClass and metaclassesOriginal non-nengong The chaotic logic of ten egg and egg Body Objective-C is a class-based object system. every class is an instance of the class; the ISA pointer of the object points to the class to which it belongs. class describes the data of an object: the size of the object, the type of instance variables, and the layout form. class also defines the behavior of the

Create local metadata resource of yum Today, I need install an oracle software for a machine whose OS is Linux. as we all know, installing oracle database software need installing additional packages. in order to install these package easily, I create a local yum resource. as following: [python] We only assume that mount cdrom to media/dev/hdc 3.3G 3.3G 0 100%/media [python] mkdir/yum cp-r/med Ia/*/yum [python] install tool package: [root @ test ~] #

Using the Metadata methodThis requires the use of the Jquery.metadata.js plugin to work, specifying validation rules by defining special properties in the form itemBut I found that the latest Jquery.validate 1.11 has no built-in metadata support, so it needs to be modified Search for $.validator.classrules (element) in the Jquery.validate.js file and add the following line before it:$.valida

Original: Anatomy of SQL Server Nineth Orcamdf can now display metadata through System DMVs (translated)Anatomy of SQL Server Nineth Orcamdf can now display metadata through System DMVs (translated)http://improve.dk/orcamdf-now-exposes-metadata-through-system-dmvs/I sat on a train to Denmark and attended the last leg of the SQL Rally conference in northern Europe

Tags: des style blog http io ar color OS useThe original: Everyone is DBA (II) SQL Server MetadataA set of tables is maintained in SQL Server to store information about all objects, data types, constraints, configuration options, available resources, and so on in SQL Server, known as metadata information (Metadata), which are known as system base tables (systems base Tables). In these underlying tables, a s

The data element is the data unit, is the smallest unit of the industry domain dataMetadata is the data that describes the data, and if there are 10 properties of the data element, then these 10 attributes are the metadata of the metadata.The object is relatively fixed, and the metadata depends on the data entity it describes, which is relative, and becomes the entity's

1. namenode start metadata loading Scenario Analysis The namenode function calls fsnamesystemm to read DFS. namenode. Name. dir and DFS. namenode. edits. dir to build fsdirectory. Fsimage recovertransitionread and savenamespace implement metadata check, loading, memory merging, and persistent storage of metadata. Savenamespace writes

This article will explain PE, Windows loader, and ApplicationProgramDomain, assembly list, metadata, type, object, thread stack, managed heap, and so on. Therefore, I first wrote a simple demo for debugging.CodeAs follows: Using System; Namespace Clrtest{ Public Class Circle{ Public Double Radius { Get ; Set ;}Public Circle (){} Public Circle ( Double R){ This . Radius = R;} Public Double Getcircumference (){ Return 2 * Math. Pi * radius;} P

In order to view the physical volume, volume group, and logical volume information, we use commands such: 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M02/38/15/wKiom1OycLLTyrWNAAHuZPqdWNA976.png "Title =" Capture. PNG "alt =" wkiom1oyclltyrwnaahuzpqdwna976.png "/> This information is placed in the second sector of the physical volume, called the LVM tag. The LVM tag contains the uuid, the device size of the record block, and the location of the record