Hp Intelligent Management Center Standard Software Pl Uživatelský manuál stáhnout pdf (Strana 7)

100

101

To delete an object from the repository..............................................159

Using Undo in the repository...................................................................159

Designing Optimized Web Reports 161Chapter 8

Overview..................................................................................................162

Key strategies for optimizing web reports..........................................163

Scale with BusinessObjects Enterprise...................................................163

Evaluation times for date functions in BusinessObjects Enterprise....165

Making the right design choices..............................................................166

Using faster report formats.................................................................166

Choosing between live and saved data.............................................167

Designing summary reports...............................................................169

To hide details in a summary report...................................................170

Using subreports carefully..................................................................170

Using other design elements effectively.............................................172

Designing reports to maximize data sharing......................................173

Streamlining your reporting environment.................................................174

Selecting the fastest database and connection..................................174

Using table indexes............................................................................174

Improving table-linking choices..........................................................174

Using thread-safe database drivers...................................................176

Using stored procedures for faster processing..................................177

Using enhanced record selection formulas ............................................177

Pushing down record selection—an example....................................178

Record selection performance tips.....................................................179

Strategies for writing efficient record selection formulas ...................180

Incorporating parameter fields into record selection formulas ..........182

Using SQL expressions where appropriate........................................185

Improving grouping, sorting, and totaling ...............................................186

Performing grouping on server...........................................................186

Benefits of grouping on server—an example.....................................187

Crystal Reports 2008 SP3 User's Guide 7

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