On Sun, 14 Jun 2015, Richard Hipp wrote: > SQL (and I speak in general terms here, not just of SQLite) provides way > more than syntactic sugar over b-trees. The syntactic sugar over b-trees > part is the *least* of the many advantages of SQL. Other more important > features include:
Very well written, Richard. > (3) Declarative Programming. With SQL, the programmer asks the machine a > question and lets the query planner figure out an appropriate algorithm. A > few lines of query text replace hundreds or thousands of lines of > procedural code needed to implement that query. If performance problems > are encountered, they can usually be remedied by CREATE INDEX, and without > changing a single line of code - the query procedures devised by the query > planner shift automatically. Another stumbling block for some application developers is not recognizing that SQL works in sets unlike earlier database formats that stored fields in records. That's why a SELECT returns an entire set of table rows meeting the selection criteria and the row order is not guaranteed. Rich
