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Oracle SQL revealed : executing business logic in the database engine /
Write queries using little-known, but powerful, SQL features implemented in Oracle's database engine. You will be able to take advantage of Oracle's power in implementing business logic, thereby maximizing return from your company's investment in Oracle Database products. Important fe...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
[United States] :
Apress,
2018.
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| Temas: | |
| Acceso en línea: | Texto completo (Requiere registro previo con correo institucional) |
Tabla de Contenidos:
- Intro; Table of Contents; About the Author; Introduction; Part I: Features and Theory; Chapter 1: Joins; ANSI Joins; Other Types of Joins; Oracle-Specific Syntax; ANSI vs. Oracle Native Syntax; Limitation of the Oracle Native Syntax; Unnesting Collections; Correlated Inline Views and Subqueries; ANSI to Native Transformation; Clearness and Readability; Mixing Syntax; Controlling Execution Plan; Limitations of ANSI; Summary; Chapter 2: Query Transformations; Summary; Chapter 3: Analytic Functions; Differences and Interchangeability of Functions; Summary; Chapter 4: Aggregate Functions.
- Pivot and Unpivot OperatorsCube, Rollup, Grouping Sets; Summary; Chapter 5: Hierarchical Queries: Connect by; Pseudocolumn Generation in Detail; Summary; Chapter 6: Recursive Subquery Factoring; Traversing Hierarchies; Once Again About Cycles; Limitations of the Current Implementation; Summary; Chapter 7: Model; Brief Analysis of the Performance; Model Parallel Execution; Summary; Chapter 8: Row Pattern Matching: match_recognize; Summary; Chapter 9: Logical Execution Order of Query Clauses; Summary; Chapter 10: Turing Completeness; Summary; Part II: PL/SQL and SQL solutions.
- Chapter 11: When PL/SQL Is Better Than Vanilla SQLSpecifics of Analytic Functions; Fetch Termination; Avoiding Multiple Sorts; Iterative-Like Computations; When There Is No Effective Built-In Access Method; Problems of a Combinatorial Nature; Specifics of Joins and Subqueries; Specifics of Joins; Limitations of the Subqueries; Summary; Chapter 12: Solving SQL Quizzes; Converting into Decimal Numeral System; Solution; Connected Components; Solution; Ordering Dependencies; Solution; Percentile with Shift; Solution; N Consequent 1s; Solution; Next Value; Solution; Next Branch; Solution.
- Random SubsetSolution; Covering Ranges; Solution; Zeckendorf Representation; Solution; Top Paths; Solution; Resemblance Group; Solution; Baskets; Solution; Longest Increasing Subsequence; Solution; Quine; Solution; Summary; Appendix A: Useful Oracle Links; Index.