many ways, for example by adding new • data types • functions • operators • aggregate functions 1 https://dsf.berkeley.edu/postgres.html xxxiv Preface • index methods • procedural languages And because maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark the following circumstances: 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxvii Preface

charge for any purpose, be it private, commercial, or academic. 2. A Brief History of PostgreSQL 1 https://dsf.berkeley.edu/postgres.html xxxii Preface The object-relational database management system vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface PostgreSQL more productive. 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxiv Preface

many ways, for example by adding new • data types • functions • operators • aggregate functions 1 https://dsf.berkeley.edu/postgres.html xxxiv Preface • index methods • procedural languages And because maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark the following circumstances: 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxvii Preface

charge for any purpose, be it private, commercial, or academic. 2. A Brief History of PostgreSQL 1 https://dsf.berkeley.edu/postgres.html xxxii Preface The object-relational database management system vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface PostgreSQL more productive. 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxiv Preface

charge for any purpose, be it private, commercial, or academic. 2. A Brief History of PostgreSQL 1 https://dsf.berkeley.edu/postgres.html xxxii Preface The object-relational database management system vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface PostgreSQL more productive. 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxiv Preface

many ways, for example by adding new • data types • functions • operators • aggregate functions 1 https://dsf.berkeley.edu/postgres.html xxxiv Preface • index methods • procedural languages And because maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark the following circumstances: 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxvii Preface

charge for any purpose, be it private, commercial, or academic. 2. A Brief History of PostgreSQL 1 https://dsf.berkeley.edu/postgres.html xxxii Preface The object-relational database management system vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface PostgreSQL more productive. 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxiv Preface

many ways, for example by adding new • data types • functions • operators • aggregate functions 1 https://dsf.berkeley.edu/postgres.html xxxiv Preface • index methods • procedural languages And because maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxv Preface Benchmark the following circumstances: 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxvii Preface

charge for any purpose, be it private, commercial, or academic. 2. A Brief History of PostgreSQL 1 https://dsf.berkeley.edu/postgres.html xxxii Preface The object-relational database management system vided new Tcl commands to interface Tcl programs with the Postgres95 server. 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiii Preface PostgreSQL more productive. 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxiv Preface

many ways, for example by adding new • data types • functions • operators • aggregate functions 1 https://dsf.berkeley.edu/postgres.html xxxiii Preface • index methods • procedural languages And because maintainability. Postgres95 release 1.0.x ran about 30–50% faster on the Wisconsin 2 https://www.ibm.com/analytics/informix 3 https://www.ibm.com/ 4 http://meteora.ucsd.edu/s2k/s2k_home.html xxxiv Preface Benchmark the following circumstances: 5 https://wiki.postgresql.org 6 https://wiki.postgresql.org/wiki/Frequently_Asked_Questions 7 https://wiki.postgresql.org/wiki/Todo 8 https://www.postgresql.org xxxvi Preface