Joe Celko s SQL for Smarties - Advanced SQL Programming P26 pot

Joe Celko s SQL for Smarties - Advanced SQL Programming P84 pot

Joe Celko s SQL for Smarties - Advanced SQL Programming P84 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...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P1 doc

Joe Celko s SQL for Smarties - Advanced SQL Programming P1 doc

... Kaufmann Series in Data Management Systems Series Editor: Jim Gray, Microsoft Research • Joe Celko s SQL for Smarties: Advanced SQL Programming , Third Edition, Joe Celko • Moving Objects ... Techniques with Java Implementations , Ian Witten and Eibe Frank • Joe Celko s SQL for Smarties: Advanced SQL Programming , Second Edition, Joe Celko •...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P2 potx

Joe Celko s SQL for Smarties - Advanced SQL Programming P2 potx

... Statistics 537 23.7 Cross Tabulations 538 23.7.1 Crosstabs by Cross Join 542 23.7.2 Crosstabs by Outer Joins 543 23.7.3 Crosstabs by Subquery 544 23.7.4 Crosstabs by CASE Expression 545 23.8 Harmonic ... Multivariable Descriptive Statistics in SQL 546 23.9.1 Covariance 546 23.9.2 Pearson s r 547 23.9.3 NULLs in Multivariable Descriptive Statistics 548 24 Regions, Runs, Gaps, Sequences,...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P3 docx

Joe Celko s SQL for Smarties - Advanced SQL Programming P3 docx

... useful work. In fact, the U .S. Government described the SQL- 99 standard as “a standard in progress” and required SQL- 92 conformance for federal contracts. The reason for the loyalty to SQL- 92 ... and Advanced Database Topics 770 Books on SQL- 92 and SQL- 99 771 Standards and Related Groups 771 Web Sites Related to SQL 772 Statistics 772 Temporal Databases 773 New Citations...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P4 ppt

Joe Celko s SQL for Smarties - Advanced SQL Programming P4 ppt

... almost no two SQL products use the same internal structures. SQL Server uses physically contiguous storage accessed by two kinds of indexes; Teradata uses hashing; Nucleus (SAND Technology) uses ... statement is in Standard SQL; it existed in most SQL products before it was standardized. It is still implemented in many different ways, so you should see your product for details. Ag...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P5 pptx

Joe Celko s SQL for Smarties - Advanced SQL Programming P5 pptx

... insert rows like this: (&apos ;Joe Celko& apos;, 'Hilary Duff') (&apos ;Joe Celko& apos;, 'Lindsay Lohan') ('Toby McGuire', 'Lindsay Lohan') (&apos ;Joe Celko& apos;, ... a smart optimizer will spot. I leave same-sex marriages as an exercise for the reader. The Couples table allows us to insert these rows from the original set. (&apos ;Joe C...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P6 docx

Joe Celko s SQL for Smarties - Advanced SQL Programming P6 docx

... is usually something like this. CREATE ASSERTION Nobody_Unassigned CHECK (NOT EXISTS (SELECT * FROM Personnel AS P LEFT OUTER JOIN JobAssignments AS J ON P.ssn = J.ssn WHERE J.ssn IS ... schedule: ('Mr. Celko& apos;, 'Database 101', 222, 6) ('Mr. Celko& apos;, 'Database 102', 223, 6) ('Ms. Shields', 'Database 101', 223, 6) Ms. ......

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Joe Celko s SQL for Smarties - Advanced SQL Programming P7 pot

Joe Celko s SQL for Smarties - Advanced SQL Programming P7 pot

... constraint ensures that anything not aimed at a known person is classified as an individual subscription. Attribute Split Rows Consider this table, which directly models a sign-in/sign-out sheet. ... Use a few statements such as: INSERT INTO Foobar (a, b, c) VALUES ('a1', 'b1', 'c1'); INSERT INTO Foobar (a, b, c) VALUES ('a2', 'b2', 'c...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P8 potx

Joe Celko s SQL for Smarties - Advanced SQL Programming P8 potx

... Numbers for Keys 45 INSERT INTO FormsControl (form_nbr, seq, VALUES (‘Flob-1/R’, (SELECT MAX(seq)+1 FROM FormsControl WHERE form_nbr = ‘Flob-1/R’), ); You can also use views on the FormsControl ... the GUID does not have any sorting sequence, so it is impossible to spot a missing value or use them to order results. All you can do is use a CHECK() with a regular expression for...

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Joe Celko s SQL for Smarties - Advanced SQL Programming P9 ppsx

Joe Celko s SQL for Smarties - Advanced SQL Programming P9 ppsx

... BY clause is part of a cursor, not part of a SELECT statement. Because some SQL products, such as SQL Server and Sybase, allow the user to create implicit cursors, many newbies get this wrong. ... Use a CURSOR The best performance improvement technique for cursors inside the database is not to use them. SQL engines are designed for set processing, and they work better with se...

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