If the data to be stored is longer than the number of characters allowed, the data is truncated. For example, if a column is defined as char(10) and the value This is a really long character string is stored into the column, SQL Server truncates the character string to This is a . The char data type is a fixed-length data type when the NOT NULL clause is specified.
Freebase(0.00 / 0 votes)Rate this definition: Basal ganglia. The basal ganglia are a group of nuclei of varied origin in the brains of vertebrates that act as a cohesive functional unit. They are situated at the base of the forebrain and are strongly connected with the cerebral cortex, thalamus and other brain areas.
Ganglia often interconnect with other ganglia to form a complex system of ganglia known as a plexus. Ganglia provide relay points and intermediary connections between different neurological structures in the body, such as the peripheral and central nervous systems.owever, in the brain (part of the central nervous system), the  basal ganglia , or basal nuclei, is a group of nuclei interconnected with the cerebral cortex, thalamus and brainstem, associated with a variety of functions: motor control, cognition, emotions, and learning.