Query Optimization in SQLite

Query Optimization in SQLite   This document provides a terse overview of how the query optimizer for SQLite works. This is not a tutorial. The reader is likely to need some prior knowledge of how database engines operate in order to fully understand this text. 1.0 WHERE clause analysis The WHERE clause on a query is broken up into "terms" where each term is separated from the others...

SQLite Database Architecture

SQLite Database Architecture   Block Diagram Of SQLite   This document describes the architecture of the SQLite library. The information here is useful to those who want to understand or modify the inner workings of SQLite. A block diagram showing the main components of SQLite and how they interrelate is shown at the right. The text that follows will provide a quick overview of each of...

SQLite Component in V3

Different component in SQLite Version 3   Following are the some sqlite v3 components Objects:     * sqlite3     * sqlite3_int64     * sqlite3_uint64     * sqlite_int64     * sqlite_uint64     * sqlite3_file     * sqlite3_io_methods     * sqlite3_mutex...