The Art of SQL

Laying Plans Designing Databases for Performance C'est le premier pas qui, dans toutes les guerres, decegrave;le le genie. It is the first step that reveals genius in all wars.Joseph de Maistre (1754-1821) Lettre du 27 Juillet 1812 agrave; Monsieur...

Waging War Accessing Databases Efficiently Il existe un petit nombre de principes fondamentaux de la guerre, dont on ne saurait s'ecarter sans danger, et dont l'application au contraire a ete presque en tous temps couronnee par le succegrave;s. Th...

Tactical Dispositions Indexing Chi vuole fare tutte queste cose, conviene che tenga lo stile e modo romano: il quale fu in prima di fare le guerre, come dicano i Franciosi, corte e grosse. Whoever wants to do all these things must hold to the Roma...

Maneuvering Thinking SQL Statements There is only one principle of war, and that's this. Hit the other fellow, as quickly as you can, as hard as you can, where it hurts him most, when he ain't lookin'.Field Marshal Sir William Slim (1891-1970) quot...

Terrain Understanding Physical Implementation [...] haben Gegend und Boden eine sehr nahe [...] Beziehung zur kriegerischen Tutigkeit, numlich einen sehr entscheidenden Einfluss auf das Gefecht. [...] Country and ground bear a most intimate [...] r...

The Nine Situations Recognizing Classic SQL Patterns Je pense que pour conserver la clarte dans le recit d'une action de guerre, il faut se borner agrave;...ne raconter que les faits principaux et decisifs du combat. To preserve clarity in relating...

Variations in Tactics Dealing with Hierarchical Data The golden rule is that there are no golden rules.George Bernard Shaw (18561950) Man and Superman/Maxims for Revolutionists You have seen in the previous chapter that queries sometimes refer to t...

Weaknesses and Strengths Recognizing and Handling Difficult Cases No one can guarantee success in war, but only deserve it.Sir Winston Churchill (18741965) There are a number of cases when one has either to fight on unfavorable ground, or to attack...

Multiple Fronts Tackling Concurrency Yet to their General's Voice they soon obey'd Innumerable. Paradise Lost, Book IJohn Milton (16081674) When we have a lot of sessions running concurrently, all accessing one database, we may encounter difficul...

Assembly of Forces Coping with Large Volumes of Data Thenne entryd in to the bataylle Iubance a geaunt and fought and slewe doune ryght and distressyd many of our knyghtes.Sir Thomas Malory (d.1471) Le Morte D'Arthur, V, 11 This chapter deals with...

Stratagems Trying to Salvage Response Times But my doctrines and I begin to part company. Jude The Obscure, IV, iiThomas Hardy (18401928) I hope to have convinced you in Chapters 1 and 2 about the extent to which performance depends, first and for...

Employment of Spies Monitoring Performance And he that walketh in darkness knoweth not whither he goeth.. Gospel according to St. John, 12:35 Intelligence gathering has always been an essential part of war. All database systems include monitoring f...