Using Caché Multi-Dimensional Storage - InterSystems ...

More documents

Recommendations

Info

3.9 Sorting Data within Globals ................................................................................... 25 3.9.1 Collation of Global Nodes ............................................................................ 26 3.9.2 Numeric and String-valued Subscripts ......................................................... 27 3.9.3 The $SORTBEGIN and $SORTEND Functions .......................................... 27 3.10 Using Indirection with Globals ............................................................................ 28 3.11 Managing Transactions ........................................................................................ 29 3.11.1 Locks and Transactions .............................................................................. 30 3.11.2 Nested Calls to TSTART ............................................................................ 31 3.12 Managing Concurrency ........................................................................................ 32 3.13 Most Recent Global Reference ............................................................................ 32 3.13.1 Naked Global Reference ............................................................................. 32 4 SQL and Object Use of Multidimensional Storage .................................................... 35 4.1 Data ........................................................................................................................ 35 4.1.1 Default Structure .......................................................................................... 35 4.1.2 IDKEY .......................................................................................................... 36 4.1.3 Subclasses ..................................................................................................... 37 4.1.4 Parent-Child Relationships ........................................................................... 38 4.1.5 Embedded Objects ........................................................................................ 39 4.1.6 Streams ......................................................................................................... 40 4.2 Indices .................................................................................................................... 40 4.2.1 Storage Structure of Standard Indices .......................................................... 40 4.3 Bitmap Indices ....................................................................................................... 41 4.3.1 Logical Operation of Bitmap Indices ........................................................... 41 4.3.2 Storage Structure of Bitmap Indices ............................................................ 43 4.3.3 Direct Access of Bitmap Indices .................................................................. 44 iv Using Caché Multi-Dimensional Storage
List of Tables Bit String Operations .......................................................................................................... 42 Using Caché Multi-Dimensional Storage v
Page 1 and 2: Using Caché Multi-Dimensional Stor
Page 3: Table of Contents 1 Introduction ..
Page 8 and 9: Introduction ^Settings("Auto1","Pro
Page 10 and 11: Introduction 1.3 Use in Application
Page 12 and 13: Global Structure • The other char
Page 14 and 15: Global Structure 5. A bitstring. In
Page 16 and 17: Global Structure An operation on ^D
Page 18 and 19: Global Structure • The specified
Page 21 and 22: 3 Using Multidimensional Storage (G
Page 23 and 24: If you are using Caché ObjectScrip
Page 25 and 26: Testing the Existence of a Global N
Page 27 and 28: Traversing Data within a Global Set
Page 29 and 30: Traversing Data within a Global 3.5
Page 31 and 32: Temporary Globals The default stora
Page 33 and 34: Sorting Data within Globals 3.9.2 N
Page 35 and 36: Managing Transactions // Erase any
Page 37 and 38: 2. Acquire a lock (or locks) on the
Page 39 and 40: level using a naked global referenc
Page 41 and 42: 4 SQL and Object Use of Multidimens
Page 43 and 44: Data Class MyApp.Person Extends %Pe
Page 45 and 46: Data /// A LineItem class Class MyA
Page 47 and 48: Bitmap Indices Note the following t
Page 49 and 50: Bitmap Indices CHAIR 0 0 1 1 0 HAT

Using Caché Multi-Dimensional Storage - InterSystems ...

Create successful ePaper yourself

Delete template?

Save as template?