The dystonias are movement disorders in which sustained muscle contractions cause twisting and repetitive movements or abnormal postures. The movements, which are involuntary and sometimes painful, may affect a single muscle; a group of muscles such as those in the arms, legs, or neck; or the entire body.
Definition of Data Clustering. Data Clustering is the classification of a data set into a group of numbers, where members of each group surround a particular number.efinition of Data Clustering. Data Clustering is the classification of a data set into a group of numbers, where members of each group surround a particular number.
Data Clusters. A data cluster is a group of several data objects. It can contain elementary fields, field strings and internal tables. You can write a data cluster to the global ABAP memory with EXPORT or read it from there with IMPORT. In addition, you can use the same statements to write to or read from a database table.