Optimizer: SAP DB 7.3
   Factors that Influence the Processing of an SQL Statement
   Runtime Improvement for SQL Applications
   Search Condition
      Equality Condition
      Area Condition
      IN Condition
      LIKE Condition
   Search Strategy
      Sequential Search
      Search Conditions for Key Columns
      Search Conditions for Single-Column Inverted Columns
         Examples: Search Conditions for Single-Column Inverted Columns
      Search Conditions for Multi-Column Inverted Columns
         Examples: Search Conditions for Multi-Column Inverted Columns
      Search Conditions for UPDATE Statements
      Cost Determination
      Search Conditions Linked with OR
      Postponement of the Search to the FETCH Time
      Join
      List of All Search Strategies
         CATALOG KEY ACCESS
         CATALOG SCAN
         CATALOG SCAN USING USER EQUAL CONDITION
         DIFFERENT STRATEGIES FOR OR-TERMS
         EQUAL CONDITION FOR INDEXED COLUMN
         EQUAL CONDITION FOR INDEXED COLUMN (SUBQ)
         EQUAL CONDITION FOR KEY COLUMN
         EQUAL CONDITION FOR KEY COLUMN (SUBQ)
         EQUAL CONDITION FOR MULTIPLE INDEX
         IN CONDITION FOR INDEXED COLUMN
         IN CONDITION FOR KEY COLUMN
         IN CONDITION FOR MULTIPLE INDEX
         INTERSECTION OF COLUMN INDEXES
         JOIN VIA INDEXED COLUMN
         JOIN VIA KEY COLUMN
         JOIN VIA KEY RANGE
         JOIN VIA MULTIPLE INDEXED COLUMNS
         JOIN VIA MULTIPLE KEY COLUMNS
         JOIN VIA RANGE OF MULTIPLE INDEXED COL.
         JOIN VIA RANGE OF MULTIPLE KEY COLUMNS
         MULTIPLE INDEX COLUMN USED (INDEX SCAN)
         NO STRATEGY NOW (ONLY AT EXECUTION TIME)
         RANGE CONDITION FOR INDEXED COLUMN
         RANGE CONDITION FOR KEY COLUMN
         RANGE CONDITION FOR KEY COLUMN (SUBQ)
         RANGE CONDITION FOR MULTIPLE INDEX
         RANGE CONDITION FOR MULTIPLE INDEX (SUBQ)
         'ORDER BY' VIA INDEXED COLUMN
         'ORDER BY' VIA MULTIPLE INDEX
         SINGLE INDEX COLUMN USED (INDEX SCAN)
         TABLE SCAN
   EXPLAIN Statement
      EXPLAIN Statement for Joins
      EXPLAIN Statement for Complicated SELECT Statements
      EXPLAIN Statement for SELECT Statements with Subqueries
      EXPLAIN Statement: Columns O,D,T,M
   Terms and Examples
      Single-Column Index
      Single-Column Inverted Column
      Multi-Column Index
      Multi-Column Inverted Column
      Inversion List
      Examples
         example
         ind
         indf
         invcolumn1
         invcolumn2
         one
         ten1
         ten2