SQLite Cole Hoosier

Overview  RDBMS –Relational database management system  ACID Compliant –Atomicity, consistency, isolation, durability  C Library  Public Domain

The Good  Fast  Zero configuration  Variable-length records  Each DB stored in single file  Libraries are small ( <250KB )  Supports 5 common operating systems

The Bad  No type-checking –A feature?  Only one process can obtain write access at a time  Higher overhead to initialize a transaction

The Ugly  Not SQL-92 Complete –3 rd revision of the SQL standard  No “foreign key” constraints  No “check” constraints  No “grant”/”revoke” access permissions

Supported Languages  C/C++/Objective-C  Java .NET  Lisp  OCaml  Perl  PHP  Python **  Ruby  Visual Basic  ODBC Driver  Many more….

Appropriate Uses  Websites  Embedded Devices  Application File Format  Testing and Demo Work  Classwork

Non-Appropriate Uses  Client/Server Apps  Very High-Volume Websites  High concurrency

Example (1)

Example (2)

Example (3)

Example (4)

Example (5)

References     son_of_relational_database_manage ment_systems

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