Joe Celko s SQL for Smarties - Advanced SQL Programming P52 pot

... Joe Celko s SQL for Smarties: Advanced SQL Programming, second edition; Joe Celko s SQL Puzzles and Answers; and Joe Celko s Trees and Hierarchies in SQL for Smarties. INDEX 803 Subsets, ... Intelli- gent Enterprise magazine (which won several Reader s Choice Awards), and the war stories he tells to provide real-world insights into SQL programming. H...

Ngày tải lên: 06/07/2014, 09:20

... Bank' 'Wilson' 'Home Bank' 'Jones' 'Home Bank' BuyerSeller buyer seller ================ 'Smith' 'Jones' 'Smith' 'Wilson' 'Nelson' ... Bank' 'Smith' 'Wilson' 'Home Bank' 'Nelson' 'Jones' 'Home Bank' This table is a three-way relationsh...

Ngày tải lên: 06/07/2014, 09:20

... encoding schemes for that column, as discussed in as discussed in Section 5.2 of SQL Programming Style, ISBN 0-1 2-0 8879 7-5 , on encoding schemes. 86 CHAPTER 2: NORMALIZATION UNIQUE (flights, hour)); CREATE ... single instances of them. Tables that represent many-to-many relationships should be named by their contents, and should be as minimal as possible. For example, S...

Ngày tải lên: 06/07/2014, 09:20

... Here is an SQL/ PSM program for the Bose-Nelson sort, based on the version given in Frederick Hegeman s “Sorting Networks” article for The C/C++ User s Journal (Hegeman 1993). It assumes that ... PRINT('swap', i1, 'j1'); CALL PRINT('swap', i2, 'j1'); ELSE IF i2 = i1+1 AND 'j2' = 'j1'+1 THEN CALL PRINT('swap', i...

Ngày tải lên: 06/07/2014, 09:20

... representation today. It is binary and uses 32 bits for single precision and 64 bits for double precision, which is just right for Intel- based PCs, Macintoshes, and most UNIX platforms. Its math ... a double dash and a new line-character. This means that the parser has to figure out whether “ ” is two minus signs or the start of a comment. Most versions of SQL also support C-styl...

Ngày tải lên: 06/07/2014, 09:20