Magento show admin path hint.

// For enable admin template path hint.

INSERT INTO core_config_data (scope, scope_id, path, value)

VALUES ('default', 0, 'dev/debug/template_hints', 1);

// For enable admin template block path hint.

INSERT INTO core_config_data (scope, scope_id, path, value)

VALUES('default', 0, 'dev/debug/template_hints_blocks', 1);

// For disable admin template path hint

UPDATE core_config_data set value = 0 where scope = 'default' and scope_id = 0
 and path ='dev/debug/template_hints'

// For disable admin template block path hint

UPDATE core_config_data set value = 0 where scope = 'default' and scope_id = 0 
and path ='dev/debug/template_hints_blocks'