Celko, J: Joe Celko's SQL Puzzles and Answers

2. Auflage 2006
ISBN: 978-0-12-373596-6
Verlag: Elsevier LTD, Oxford

Buch, Englisch, 352 Seiten, Format (B × H): 189 mm x 235 mm, Gewicht: 721 g

Joe Celko's SQL Puzzles and Answers, Second Edition, challenges you with his trickiest puzzles and then helps solve them with a variety of solutions and explanations.

Author Joe Celko demonstrates the thought processes that are involved in attacking a problem from an SQL perspective to help advanced database programmers solve the puzzles you frequently face. These techniques not only help with the puzzle at hand, but also help develop the mindset needed to solve the many difficult SQL puzzles you face every day. This updated edition features many new puzzles; dozens of new solutions to puzzles; and new chapters on temporal query puzzles and common misconceptions about SQL and RDBMS that leads to problems.

This book is recommended for database programmers with a good knowledge of SQL.

Zielgruppe

Database programmers with a good knowledge of SQL

Autoren/Hrsg.

Celko, Joe

Fachgebiete

• Mathematik | Informatik EDV | Informatik Programmierung | Softwareentwicklung Datenbankprogrammierung

Inhaltsverzeichnis

PUZZLE 01: FISCAL YEAR TABLES

PUZZLE 02: ABSENTEES
PUZZLE 03: THE ANESTHESIA PUZZLE
PUZZLE 04: SECURITY BADGES

PUZZLE 05: ALPHA DATA

PUZZLE 06: HOTEL RESERVATIONS
PUZZLE 07: KEEPING A PORTFOLIO

PUZZLE 08: SCHEDULING PRINTERS

PUZZLE 09: AVAILABLE SEATS PUZZLE

PUZZLE 10: WAGES OF SIN:

PUZZLE 11: WORK ORDER

PUZZLE 12: CLAIMS STATUS

PUZZLE 13: TEACHERS

PUZZLE 14: TELEPHONE
PUZZLE 15: FIND THE LAST TWO SALARIES
PUZZLE 16: MECHANICS

PUZZLE 17: EMPLOYMENT AGENCY
PUZZLE 18: JUNK MAIL

PUZZLE 19: TOP SALESMEN
PUZZLE 20: TEST RESULTS
PUZZLE 21: AIRPLANES AND PILOTS
PUZZLE 22: LANDLORD
PUZZLE 23: MAGAZINE

PUZZLE 24 ONE IN TEN
PUZZLE 25: MILESTONE

PUZZLE 26: DATAFLOW DIAGRAMS
PUZZLE 27: FINDING EQUAL SETS
PUZZLE 28: CALCULATE THE SINE FUNCTION

PUZZLE 29: FIND THE MODE COMPUTATION

PUZZLE 30: AVERAGE SALES WAIT

PUZZLE 31: BUYING ALL THE PRODUCTS

PUZZLE 32: COMPUTING TAXES
PUZZLE 33: COMPUTING DEPRECIATION

PUZZLE 34: CONSULTANT BILLING

PUZZLE 35: REQUISITIONS
PUZZLE 36: DOUBLE DUTY
PUZZLE 37: MOVING AVERAGE

PUZZLE 38: JOURNAL UPDATING

PUZZLE 39: INSURANCE LOSSES

PUZZLE 40: PERMUTATIONS:

PUZZLE 41: BUDGETING

PUZZLE 42: COUNTING FISH

PUZZLE 43: GRADUATION

PUZZLE 44: PAIRS OF STYLES
PUZZLE 45: PEPPERONI PIZZA

PUZZLE 46: SALES PROMOTIONS
PUZZLE 47: BLOCKS OF SEATS

PUZZLE 48: UN-GROUPING
PUZZLE 49: WIDGET COUNT
PUZZLE 50: TWO OF THREE
PUZZLE 51: BUDGET VERSUS ACTUAL
PUZZLE 52: PERSONNEL PROBLEM
PUZZLE 53: COLLAPSING A TABLE BY COLUMNS
PUZZLE 54: POTENTIAL DUPLICATES

PUZZLE 55: PLAYING THE PONIES
PUZZLE 56: HOTEL ROOM NUMBERS
PUZZLE 57: GAPS - 1

PUZZLE 58: GAPS - 2

PUZZLE 59: MERGING TIME PERIODS

PUZZLE 60: BARCODES

PUZZLE 61: SORTING A STRING

PUZZLE 62: REPORT FORMATTING

PUZZLE 63: CONTIGUOUS GROUPINGS

PUZZLE 64: BOXES

PUZZLE 65: AGE RANGES FOR PRODUCTS
PUZZLE 66: FOUR CONSECUTIVE ABSENCES

PUZZLE 67: STABLE MARRIAGES PROBLEM
PUZZLE 68: CATCHING THE NEXT BUS

PUZZLE 69: LIFO-FIFO INVENTORY
PUZZLE 70: STOCK TRENDS
PUZZLE 71: CALCULATIONS

PUZZLE 72: SCHEDULING SERVICE CALLS
PUZZLE 73: A LITTLE DATA SCRUBBING
PUZZLE 74: DERIVED TABLES OR NOT?
PUZZLE 75: FINDING A PUB

Über Autor(innen)

Celko, Joe
Joe Celko served 10 years on ANSI/ISO SQL Standards Committee and contributed to the SQL-89 and SQL-92 Standards.

Mr. Celko is author a series of books on SQL and RDBMS for Elsevier/MKP. He is an independent consultant based in Austin, Texas.

He has written over 1200 columns in the computer trade and academic press, mostly dealing with data and databases.

Joe Celko is a noted consultant, lecturer, teacher, and one of the most-read SQL authors in the world. He is well known for his ten years of service on the ANSI SQL standards committee, his dependable help on assorted SQL newsgroups, his column in Intelligent Enterprise (which won several Reader's Choice Awards), and the war stories he tells to provide real-world insights into SQL programming. His best-selling books include Joe Celko's SQL for Smarties: Advanced SQL Programming, Joe Celko's SQL Puzzles and Answers, Joe Celko's Trees and Hierarchies in SQL for Smarties, and Joe Celko's SQL Style, all published by Morgan Kaufmann.