SQL Tuning [Electronic resources]

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queries [See also joins]

aggregating too many rows 2nd 3rd

altering to enable optimum execution plan

for batch reports, large

blind

choosing indexed access or full table scan for

complex queries

abnormal outer joins in

cyclic joins in

disconnected

joins with no primary keys in

multiple roots in

one-to-one joins in

set operations in

subqueries in

views in

distributed filters in

errors in [See problem cases]

middleware processes handling too many rows in

modifying with DB2

modifying with Oracle

modifying with SQL Server

multitable queries

online, large

performance effects of, estimating

read locks in, disabling

repeated a large number of times 2nd

returning too many rows 2nd

running slowly even when returning few rows 2nd

set operations in

simple

creating query diagrams for

criteria for

full query diagrams for

interpreting query diagrams for

simplified query diagrams for

single-table queries

subqueries in

converting existence checks to

correlated, forcing evaluation of

DB2 execution plan for

exercise for 2nd

EXISTS subqueries 2nd 3rd 4th

forcing execution order when using

NOT EXISTS subqueries 2nd 3rd

Oracle execution plan for

query diagrams for

SQL Server execution plan for

tuning

view-defining 2nd

view-using 2nd 3rd 4th

views in

Query Analyzer [See SQL Server Query Analyzer]

query diagrams 2nd

abstractness of

compared to entity-relationship diagrams

correlation joins in

creating 2nd

cyclic joins in 2nd

disconnected

example usage of

exercises for 2nd

filter conditions not included in

filter ratios in 2nd 3rd 4th 5th

full 2nd

grouping not included in

interpreting

join conditions not included in

join ratios in 2nd 3rd 4th 5th 6th

joins in 2nd

links in

multiple roots in

nodes in

nonunderlined numbers in

normal form reflected in

one-to-one joins in

ordering not included in

outer joins in

post-group filtering not included in

reasons for using

select lists not included in

simplified 2nd 3rd

subqueries in

table aliases in

table names not included in

underlined numbers in

view-using queries in

when to use

query skeleton 2nd

questions about this book, sending