A Winkler titration to determine the concentration of dissolved oxygen in a water sample. The dissolved oxygen has been converted to an equivalent amount of iodine, which is being titrated with thiosulfate using a starch indicator.
A Canonical Name record (abbreviated as CNAME record) is a type of resource record in the Domain Name System (DNS) used to specify that a domain name is an alias for another domain, the canonical domain.his confusion is specifically mentioned in RFC 2181, Clarifications to the DNS Specification.. The left-hand label is an alias for the right-hand side (the RDATA portion), which is (or should be) a canonical name.
SQL Alias. 1  An Alias is a shorthand for a table or column name. 2  Aliases reduce the amount of typing required to enter a query. 3  Complex queries with aliases are generally easier to read.  Aliases are useful with JOINs and aggregates: SUM, COUNT, 1  etc. An Alias only exists for the duration of the query.