Joe Celko s SQL for Smarties - Advanced SQL Programming P58 pps
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 Hierarchiesin SQL for Smarties. INDEX 803Subsets, ... Intelli-gent Enterprise magazine (which won several Reader s ChoiceAwards), and the war stories he tells to provide real-world insightsinto SQL programming. His best-selling books include Joe ... Celko is a noted consultant and lecturer, and one of the most-read SQL authors in the world. He is well known for his 10 years ofservice on the ANSI SQL standards committee, his column in...
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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 • Joe Celko s Data and Databases: Concepts ... Concepts in Practice , Joe Celko JOE CELKO S SQL FOR SMARTIES: ADVANCED SQL PROGRAMMING THIRD EDITION Publishing Director Michael ForsterPublisher Diane CerraPublishing Services Manager...
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Joe Celko s SQL for Smarties - Advanced SQL Programming P2 potx
... Statistics 53723.7 Cross Tabulations 53823.7.1 Crosstabs by Cross Join 54223.7.2 Crosstabs by Outer Joins 54323.7.3 Crosstabs by Subquery 54423.7.4 Crosstabs by CASE Expression 54523.8 Harmonic ... Multivariable Descriptive Statistics in SQL 54623.9.1 Covariance 54623.9.2 Pearson s r 54723.9.3 NULLs in Multivariable Descriptive Statistics 548 24 Regions, Runs, Gaps, Sequences, and Series 549 ... EXISTS and NULLs 30015.2 EXISTS and INNER JOINs 30215.3 NOT EXISTS and OUTER JOINs 30315.4 EXISTS() and Quantifiers 30415.5 EXISTS() and Referential Constraints 30515.6 EXISTS and Three-Valued...
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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 770Books on SQL- 92 and SQL- 99 771Standards and Related Groups 771Web Sites Related to SQL 772Statistics 772Temporal Databases 773New Citations 774 Index 777About ... into a separate book ( Joe Celko s Trees and Hierarchies in SQL for Smarties , ISBN 1-5 586 0-9 2 0-2 ) because there was enough material to justify it. I have included a short mention of some...
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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. Again, your ... processing is one of many, many advantages of having a set-oriented model. 6 CHAPTER 1: DATABASE DESIGN 3. Standard SQL allows you to use spaces, reserved words, and special characters in...
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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 Celko& apos;, 'Hilary ... UNIQUE nested key REFERENCES Boys (boy_name)18 CHAPTER 1: DATABASE DESIGN 1.1.5 Nested UNIQUE ConstraintsOne of the basic tricks in SQL is representing a one-to-one or many-to-many relationship...
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Joe Celko s SQL for Smarties - Advanced SQL Programming P6 docx
... is usually something like this. CREATE ASSERTION Nobody_UnassignedCHECK (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. ... ASSERTION Everyone_assigned_one_storeCHECK ((SELECT COUNT(ssn) FROM JobAssignments) = (SELECT COUNT(ssn) FROM Personnel)); This is a surprise to people at first, because they expect to see a JOIN to...
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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 RowsConsider 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', 'c2');INSERT ... 8, physical data independence). Dr. Codd s rules are discussed in Chapter 2. Early SQL products were built on existing file systems. The data was kept in physically contiguous disk pages, in...
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Joe Celko s SQL for Smarties - Advanced SQL Programming P8 potx
... Numbers for Keys 45INSERT 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 string of ... DATABASE DESIGN Besides the usual problems with exposed physical locators, each GUID requires 16 bytes of storage, while a simple INTEGER needs only 4 bytes on most machines. Indexes and...
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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 sets of data ... sequential file system. CLOSE StatementThe CLOSE <cursor name> statement resets the cursor read/write head to a position before the first row in the cursor. The cursor still exists,...
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