David M. Kroenke and David J. Auer Database Processing: SQL for ...

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Constraints• Constraints can be defined within the CREATETABLE statement, or they can be added to thetable after it is created using the ALTER tablestatement.• Five types of constraints:– PRIMARY KEY may not have null values– UNIQUE may have null values– NULL/NOT NULL– FOREIGN KEY– CHECKKROENKE AND AUER - DATABASE PROCESSING, 11th Edition© 2010 Pearson Prentice Hall7-14
Creating RelationshipsKROENKE AND AUER - DATABASE PROCESSING, 11th Edition© 2010 Pearson Prentice Hall7-15
Page 1 and 2: David M. Kroenke and David J. AuerD
Page 3 and 4: Chapter Objectives• To gain an un
Page 5 and 6: Application Requirements• View Ri
Page 7 and 8: SQL DDL and DMLKROENKE AND AUER - D
Page 9 and 10: CREATE TABLE• CREATE TABLE statem
Page 11 and 12: Data Types:Oracle Database 11g Data
Page 13: Data Types:MySQL 5.1Data Types IIKR
Page 17 and 18: Default Values and Data Constraints
Page 19 and 20: ALTER Statement• ALTER statement
Page 21 and 22: Adding and Dropping Constraints•
Page 23 and 24: SQL DML—INSERT• INSERT command:
Page 25 and 26: SQL DML—DELETE• DELETE command:
Page 27 and 28: Using Aliases• Use of aliases:SEL
Page 29 and 30: VRG Data—CUSTOMER IIKROENKE AND A
Page 31 and 32: VRG DataCUSTOMER_ARTIST_INTKROENKE
Page 33 and 34: VRG Data—WORK IIKROENKE AND AUER
Page 35 and 36: VRG Data—TRANS IIKROENKE AND AUER
Page 37 and 38: Result of Outer JoinKROENKE AND AUE
Page 39 and 40: SQL ViewsKROENKE AND AUER - DATABAS
Page 41 and 42: Updateable ViewsKROENKE AND AUER -
Page 43 and 44: Triggers I• A trigger is a stored
Page 45 and 46: Firing Triggers• When a trigger i
Page 47 and 48: KROENKE AND AUER - DATABASE PROCESS
Page 49 and 50: Stored Procedures• A stored proce
Page 51 and 52: KROENKE AND AUER - DATABASE PROCESS
Page 53 and 54: Triggers vs. Stored ProceduresKROEN

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