Oracle SQL Internals Handbook phần 5 docx

... of SQL tuning, and they don't require a through understanding of the internals of Oracle SQL. Let's begin with an overview of the Oracle SQL optimizers. 74 Oracle SQL Internals Handbook ... Internals Handbook Oracle SQL Tuning Tips CHAPTER 7 SQL tuning Oracle SQL tuning is a phenomenally complex subject, and entire books have been devoted to...

Ngày tải lên: 08/08/2014, 20:21

... performance improvement factor is typically associated 48 Oracle SQL Internals Handbook Trees in SQL CHAPTER 5 Trees in SQL: Nested Sets and Materialized Path Relational databases ... reachable from num2/den2, then the navigation converges to the root, and level(num1/den1)- 58 Oracle SQL Internals Handbook with index range scan in a similar, very selective,...

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... cardinality." 96 Oracle SQL Internals Handbook References Oracle 9i Release 2: Database Performance Tuning Guide and Reference Chapter 7. Oracle 9I Release 2: Supplied PL /SQL Packages and ... update collisions. 94 Oracle SQL Internals Handbook Figure 5: Execution path. There are two interesting points to consider with this result. First is that Or...

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... Truncate 150 Java: 150 PL /SQL: 151 Benchmark Results 151 Single Statement Results 151 Multiple Statements Results 152 Truncate Results 152 Remote Results 152 Conclusion 153 Chapter ... in Oracle SQL 155 Matrix Transposition in SQL by Vadim Tropashko 155 Nesting and Unnesting 156 Integer Enumeration for Aggregate Dismembering 157 User Defined Aggr...

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... 150 261 38 14 .55 1 75 85 19 22. 35 12 710399 344762 48 .53 28 2661 1469 55 .2 107 62762 36487 58 .13 236 51 0 339 66.47 2 05 37379 24981 66.83 6 129022 91 359 70.8 228 71 65 91 .54 ... SYS_OUTLINE_02 050 31 654 27311 3 NO_EXPAND SYS_OUTLINE_02 050 31 654 27311 3 ORDERED SYS_OUTLINE_02 050 31 654 27311 3 NO_FACT(SO_DEMO) SYS_OUTLINE_02 050 31 654 27311 3 FULL(S...

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... decision. 34 Oracle SQL Internals Handbook SQL, reduce the overheads, and allow you greater flexibility in testing, manipulating and installing stored outlines. 30 Oracle SQL Internals Handbook ... 'SO_FIX','SYS_OUTLINE_02 050 31 654 27311', 'SYS_OUTLINE_02 050 31 654 27311','SO_FIX' ) where ol_name in ('SYS_OUTLINE_02 05...

Ngày tải lên: 08/08/2014, 20:21

... Oracle SQL Internals Handbook References Oracle 9i Release 2 Datawarehousing Guide, Chapter 17. Oracle 9i Release 2 Supplied Types and PL /SQL packages, Chapter 90 (DBMS_xplan). $ORACLE_ HOME/rdbms/admin ... which several tables might be related in a query that Oracle would address through the bitmap star transformation. 120 Oracle SQL Internals Handbook...

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... more subtle bitmap join index. 124 Oracle SQL Internals Handbook Embedding SQL in Java & PL /SQL CHAPTER 13 Java vs. PL /SQL: Where Do I Put the SQL? Note: The Source Code file that ... V_192216243_F _5_ E_9_9_0 The problem of incomprehensibility can be addressed by running script otrcsyn .sql in directory $ORACLE_ HOME/otrace/demo. 138 Oracle SQL I...

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... CONNECTION (DSL) JAVA ORACLE PACKAGE Single statement 286 113 Multiple statements 1662 50 6 TRUNCATE 217 332 152 Oracle SQL Internals Handbook Matrix Transposition in Oracle SQL CHAPTER 1 4 ... in the PreparedStatement SQL string, but not in a Statement SQL string. Single statement: 148 Oracle SQL Internals Handbook SQL with Keyword Searches...

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... oracle_ trace_collection_ name 1 35 depth-first convergence point 52 , 56 oracle_ trace_collection_ path 1 35 F oracle_ trace_collection_size 1 35 filter_predicates 8 178 Oracle SQL Internals Handbook The ... Statement 1 75 oracle_ trace_facility_name 1 35 otrace.cfg 136 otrccol 136 outln 24, 27, 28, 42, 75, 76, 81 outln_pkg 79 P plan_table 8, 65 S...

Ngày tải lên: 08/08/2014, 20:21