The Art of SQL

Index

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absence of data, result sets predicated on

abstract layers

ad hoc queries

addresses 2nd

     atomicity and

adjacency model (SQL trees) 2nd 3rd

     aggregating values stored in leaf nodes

         computing head counts at every level

     bottom-up tree walk

     top-down walk

aggregation

     by range (bands)

     consolidating multiple rows into one

     double conversion, using

     in transformations

     on dates

     result sets obtained from

     values from trees

         propagating percentages across levels

         values stored in leaf nodes

aggressive coding

analytical functions (Oracle)

ANSI SQL query (example)

architectural solutions for contention

archival data

     purging

archives, location of 2nd

array interface, communicating between program and DBMS kernel

art of SQL, governing factors

     number of tables

     number of users

     result set criteria

     result set size

     total quantity of data

associative table, resolving many-to-many relationship between tables

asynchronous processing

atomic attributes 2nd

atomicity

     business requirements and

     function applied to a column

attributes

     atomic 2nd

     dealing with varying numbers of

     excessive flexibility in

     independence of

auto-incremented columns

     not using in order to limit contention

axioms

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