Beginning SQL

More documents

Recommendations

Info

Figure B-34 The default option of Typical is fine. Click Next and you get to choose where you want the database system to be installed (see Figure B-35): Figure B-35 Setting Up and Using the Five Database Systems If the default location is fine, go for that; otherwise just choose somewhere with lots of free disk space! 411
Page 2:
Beginning SQL Paul Wilton and John
Page 10:
Beginning SQL Paul Wilton and John
Page 14:
About the Authors Paul Wilton After
Page 18:
Paul Wilton: With lots of love to m
Page 24:
Contents x Selecting Correct Data T
Page 28:
Contents xii Re-examining NULL 180
Page 32:
Contents Chapter 11: Transactions 3
Page 36:
Contents xvi How Do You Do It? 357
Page 42:
Introduction Data, data, data! Data
Page 46:
By the time you’ve completed Chap
Page 50:
Once you download the code, just de
Page 54:
1 Introduction to SQL A nice, gentl
Page 58:
Figure 1-1 Why and When to Use a Da
Page 62:
Databases are great at dealing with
Page 66:
The SQL language is actually fairly
Page 70:
you wish, and the database system d
Page 74:
A keyword is a word that has some m
Page 78:
Introduction to SQL A perfectly val
Page 82:
Data Type Description Storage Used
Page 86:
The char and varchar data types use
Page 90:
Most RDBMSs handle the most common
Page 94:
To add a new column, use the basic
Page 98:
Now that you know what you want to
Page 102:
❑ Meeting date 2 ❑ Location 2
Page 106:
Generally speaking, picking a data
Page 110:
example, the MemberId field links t
Page 114:
Depending on which RDBMS you’re u
Page 118:
The FilmCategory table is very smal
Page 122:
2 Entering Information The last cha
Page 126:
like this: INSERT INTO Category VAL
Page 130:
Inserting Data into the Case Study
Page 134:
The WHERE Clause So far you’ve se
Page 138:
Try It Out Using Logical Operators
Page 142:
Exercises 1. Three new members have
Page 148:
Chapter 3 54 MemberId FirstName 1 K
Page 152:
Chapter 3 The results are as follow
Page 156:
Chapter 3 The results to this query
Page 160:
Chapter 3 FavCategory (CategoryId,
Page 164:
Chapter 3 Logical Operators and Ope
Page 168:
Chapter 3 The statement returns the
Page 172:
Chapter 3 NOT Operator Examples thu
Page 176:
Chapter 3 2. Using the following SQ
Page 180:
Chapter 3 When you execute the quer
Page 184:
Chapter 3 Now that you’re acquain
Page 188:
Chapter 3 It’s as simple as that!
Page 192:
Chapter 3 76 YearReleased 1947 1967
Page 196:
Chapter 3 78 FilmName Rating Gone w
Page 200:
Chapter 3 2. Add a WHERE clause to
Page 204:
Chapter 3 Executing this SQL provid
Page 208:
Chapter 3 84 FullName First name is
Page 212:
Chapter 3 86 FullName First name is
Page 216:
Chapter 3 Even though DateOfBirth i
Page 220:
Chapter 3 Member Name The member is
Page 224:
Chapter 3 92 The preceding SQL prod
Page 228:
Chapter 3 94 ❑ Category ❑ FavCa
Page 232:
Chapter 3 96 You’re one step furt
Page 236:
Chapter 3 98 FirstName LastName Cat
Page 240:
Chapter 3 This time, you achieve mo
Page 244:
Chapter 3 SQL Is Set-Based 102 You
Page 248:
Chapter 3 104 Category MemberId Thr
Page 252:
Chapter 3 106 You should see the fo
Page 256:
Chapter 3 The overlapping portions
Page 260:
Chapter 3 110 More than one conditi
Page 264:
Chapter 3 112 Next, link the Member
Page 268:
Chapter 3 114 FirstName LastName Da
Page 272:
Chapter 3 ❑ The slightly tricky t
Page 276:
Chapter 4 normalization can make da
Page 280:
Chapter 4 120 Field Name Data Type
Page 284:
Chapter 4 122 The Street, City, and
Page 288:
Chapter 4 MySQL versions prior to 5
Page 292:
Chapter 4 126 Except for IBM’s DB
Page 296:
Chapter 4 128 You can add more than
Page 300:
Chapter 4 Try It Out Adding a CHECK
Page 304:
Chapter 4 Obviously, if the table i
Page 308:
Chapter 4 134 Drop the MoreHolidayB
Page 312:
Chapter 4 136 If you want to return
Page 316:
Chapter 4 If you’re using IBM DB2
Page 320:
Chapter 4 140 index helps speed up
Page 324:
Chapter 4 142 The results you get m
Page 328:
Chapter 4 144 The results of the qu
Page 332:
Chapter 4 146 Remember, IBM DB2 doe
Page 336:
Chapter 4 148 UPDATE Films SET Film
Page 340:
Chapter 4 150 Finally, you do the s
Page 344:
Chapter 4 152 SELECT * FROM MemberD
Page 348:
Chapter 4 ❑ Choose meaningful nam
Page 354:
5 Manipulating Data In Chapter 3, y
Page 358:
The results of this query are as fo
Page 362:
You can raise a number to any power
Page 366:
To demonstrate the sort of results
Page 370:
The CEILING() Function The CEILING(
Page 374:
ased on the digits after the decima
Page 378:
The SUBSTRING() function works at t
Page 382:
LastName UPPER(LastName) LOWER(Last
Page 386:
The LENGTH() function takes just on
Page 390:
LastName LOWER(SUBSTRING(LastName,1
Page 394:
FirstName DIFFERENCE(FirstName, ‘
Page 398:
Converting Different Data Types Thi
Page 402:
CREATE Table MyTable(FirstColumn in
Page 406:
The COALESCE() Function The COALESC
Page 410:
Ideally, this first argument is the
Page 414:
LocationId Street City State 1 Main
Page 418:
6 Grouping and Aggregating Data So
Page 422:
Running the query, complete with a
Page 426:
MemberId Street City State 11 Newis
Page 430:
Executing the SQL returns seven dis
Page 434:
For example, the following code add
Page 438:
Running the query gives the answer
Page 442:
SELECT MAX(LastName), MIN(LastName)
Page 446:
immediately after the GROUP BY stat
Page 450:
Executing the final SQL provides th
Page 456:
Chapter 7 The INNER JOIN links the
Page 460:
Chapter 7 FilmName FirstName LastNa
Page 464:
Chapter 7 212 As mentioned, that wo
Page 468:
Chapter 7 Category Street Romance T
Page 472:
Chapter 7 216 MD1.First MD1.Last MD
Page 476:
Chapter 7 SELECT MD1.MemberId, MD1.
Page 480:
Chapter 7 220 SELECT Category, Film
Page 484:
Chapter 7 222 Location.Street Membe
Page 488:
Chapter 7 224 Category MemberId War
Page 492:
Chapter 7 Look at the results that
Page 496:
Chapter 7 228 The Maltese Poodle 8
Page 500:
Chapter 7 230 9 10 11 12 13 14 15 1
Page 504:
Chapter 7 232 On Golden Puddle 1967
Page 510:
8 Queries within Queries This chapt
Page 514:
There are no films with a value in
Page 518:
The error wording depends on the da
Page 522:
Now execute the query. You receive
Page 526:
The query provides the following re
Page 530:
If you execute this query, you can
Page 534:
To obtain the same results as you w
Page 538:
MemberId 1 10 14 6 5 8 7 11 15 4 13
Page 542:
Now NOT EXISTS returns true, and as
Page 546:
This is the same as the query just
Page 550:
clause specifying that the film’s
Page 554:
4. Next, quickly double-check a few
Page 558:
Now that you’ve confirmed that th
Page 562:
Summary Queries within Queries This
Page 568:
Chapter 9 264 Figure 9-1 The SQL ne
Page 572:
Chapter 9 266 INSERT INTO OrderItem
Page 576:
Chapter 9 268 VALUES (5,7, 2,’200
Page 580:
Chapter 9 Now that you’ve added t
Page 584:
Chapter 9 272 FirstName LastName Mo
Page 588:
Chapter 9 274 DVDPrice column is in
Page 592:
Chapter 9 SalesPersonId FirstName L
Page 596:
Chapter 9 278 SalesPersonId MemberI
Page 600:
Chapter 9 280 SalesPersonId MemberI
Page 604:
Chapter 9 282 MemberDetails.FirstNa
Page 608:
Chapter 9 284 The query would work
Page 612:
Chapter 9 Exercises 286 Assume that
Page 616:
Chapter 10 Now that you know what v
Page 620:
Chapter 10 Types of Views Given tha
Page 624:
Chapter 10 Perhaps you need to view
Page 628:
Chapter 10 Figure 10-7 Summary view
Page 632:
Chapter 10 296 This statement gives
Page 636:
Chapter 10 The CHECK OPTION plays a
Page 642:
11 Transactions When you move out o
Page 646:
Example Data This section creates e
Page 650:
3. Build a record in the Rentals ta
Page 654:
The other statement that the ANSI S
Page 658:
SAVE TRANSACTION Select Update Begi
Page 662:
Figure 11-5 Begin Transaction Delet
Page 666:
In spite of all of these performanc
Page 670:
Shared A shared lock essentially me
Page 674:
of record locks, the DBMS may decid
Page 678:
No updates, additions, or deletions
Page 682:
International Board Manufacturer ha
Page 686:
contention. You could wrap your new
Page 690:
Summary Transactions ensure that us
Page 696:
Chapter 12 328 SQL security is cent
Page 700:
Chapter 12 Creating User IDs Figure
Page 704:
Chapter 12 3. In the SQL window, ty
Page 708:
Chapter 12 ❑ You can assign a dif
Page 712:
Chapter 12 Privileges Privileges ar
Page 716:
Chapter 12 338 You could then give
Page 720:
Chapter 12 You might implement this
Page 724:
Chapter 12 Another shortcut, using
Page 728:
Chapter 12 As you can imagine, givi
Page 732:
Chapter 12 The situation gets a lit
Page 736:
Chapter 12 Summary Database securit
Page 740:
Chapter 13 robust, fault-tolerant m
Page 744:
Chapter 13 Gigahertz Networks or Co
Page 748:
Chapter 13 Database Cache 354 In ad
Page 752:
Chapter 13 Again, the shotgun appro
Page 756:
Chapter 13 358 Figure 13-3 Leaf Ind
Page 760:
Chapter 13 Try It Out Dropping Inde
Page 764:
Chapter 13 64k Block 64k Block Figu
Page 768:
Chapter 13 ❑ Inner joins look lik
Page 774:
Chapter 1 Exercise 1 Solution A Exe
Page 778:
Chapter 2 Exercise 1 Solution There
Page 782:
Email, DateOfJoining ) VALUES ( 7,
Page 786:
Chapter 3 Exercise 1 Solution First
Page 790:
As well as joining the tables, you
Page 794:
Figure A-2 Notice that Table1 is re
Page 798:
Executing the query provides the fo
Page 802:
Category COUNT(DVDPrice), SUM(DVDPr
Page 806:
This is the final SQL and gives the
Page 810: The results from the query are as f
Page 814: Clearly this query hasn’t returne
Page 818: Chapter 12 Exercise 1 Solution EXEC
Page 822: B Setting Up and Using the Five Dat
Page 826: Next, you come to a screen that giv
Page 830: Leave the check box for “Configur
Page 834: For this book, the default option o
Page 838: Now click Next to continue. In the
Page 842: Click Finish, and congratulate your
Page 846: Figure B-22 Click Ignore to continu
Page 850: Figure B-26 Click the Add New Conne
Page 854: Figure B-29 Click the triangle next
Page 858: Installing and Using IBM DB2 A free
Page 864: Appendix B 412 Click Next to contin
Page 868: Appendix B 414 Click OK to clear th
Page 872: Appendix B If you’re ready and ha
Page 876: Appendix B 418 You can also enter a
Page 880: Appendix B 420 Figure B-49 The Film
Page 884: Appendix B 422 Now you need to inse
Page 888: Appendix B 424 In Access it’s not
Page 892: Appendix B 426 Figure B-56 You need
Page 896: Appendix B 428 Then click the Run i
Page 900: Appendix B 430 The next screen (see
Page 904: Appendix B 432 On the next screen,
Page 908: Appendix B 434 Click Next to procee
Page 912:
Appendix B 436 Figure B-72 The huge
Page 916:
Appendix B 438 Figure B-74 Notice t
Page 920:
Appendix B 440 Figure B-76 The Obje
Page 924:
Appendix B 442 Figure B-78 Chapter
Page 928:
Appendix B You don’t need MyTable
Page 932:
Appendix B 446 Figure B-82 To begin
Page 936:
Appendix B Using Oracle’s SQL*Plu
Page 940:
Appendix B 450 Figure B-87 Another
Page 944:
Appendix C Category Table The follo
Page 948:
Appendix C 454 ( 3, ‘Sandra’,
Page 952:
Appendix C 456 ZipCode, Email, Date
Page 956:
Appendix C DateOfJoining ) VALUES (
Page 960:
Appendix C 460 VALUES ( 1, 3 ); INS
Page 964:
Appendix C VALUES ( 5, 3 ); INSERT
Page 968:
Appendix C 464 3 ); INSERT INTO Fil
Page 972:
Appendix C 5, 6 ); INSERT INTO Film
Page 976:
Appendix C 468 5 ); INSERT INTO Att
Page 980:
Appendix C Oracle 470 To save some
Page 984:
Appendix C 472 LocationId, MeetingD
Page 990:
Symbols + (addition operator), 82,
Page 994:
BEGIN TRANSACTION statement, 306, 3
Page 998:
SERIALIZABLE statement, 318 SET TRA
Page 1002:
data types brackets, 25 categories,
Page 1006:
Oracle concatenation, 85-88 configu
Page 1010:
error messages debugging, 26 subque
Page 1014:
concatenation, 85-88 data type comp
Page 1018:
primary keys database creation exam
Page 1022:
concurrent connection selection, 39
Page 1026:
passwords group access, 333 IBM ins
Page 1030:
ROLLBACK statement, 307-308 ROLLBAC
Page 1034:
REPEATABLE READ, 319 REVOKE, 344-34
Page 1038:
telephone numbers, data type select
Page 1042:
historical, data selection, 90-94 N
show all

Beginning SQL

Create successful ePaper yourself

Delete template?

Save as template?