Wiktionary(0.00 / 0 votes)Rate this definition: 1  nose(Noun) The organ of the face used to breathe or smell. 2  nose(Noun) A snout, the nose of an animal. 3  nose(Noun) The tip of an object (e.g. the nose of a fighter plane).
SQL is a set-based, declarative query language, not an imperative language such as C or BASIC. However, there are extensions to Standard SQL which add procedural programming language functionality, such as control-of-flow constructs. Transact-SQL is one of those extensions.
Building an SQL expression Structured Query Language (SQL) is a standard computer language for accessing and managing databases. SQL expressions are used in many parts of ArcGIS and its extensions to define a subset of data on which to perform some operation. You use it in ArcMap to select features with the Select by Attributesdialog box or with the Query Builder dialog box to set a layer definition query.