PostgreSQL 8.2 DocumentationFormatting....................................................................................166 9-24. to_char Examples......................................................................................... — you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) 19 Chapter0 码力 | 1762 页 | 5.43 MB | 1 年前3
PostgreSQL 8.2 DocumentationFormatting....................................................................................166 9-24. to_char Examples......................................................................................... — you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) 19 Chapter0 码力 | 1748 页 | 13.12 MB | 1 年前3
PostgreSQL 8.0 DocumentationFormatting.............................................................................143 9-24. to_char Examples......................................................................................... — you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) ); CREATE0 码力 | 1332 页 | 9.76 MB | 1 年前3
PostgreSQL 8.0 DocumentationFormatting....................................................................................151 9-24. to_char Examples......................................................................................... — you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) 19 Chapter0 码力 | 1422 页 | 9.92 MB | 1 年前3
PostgreSQL 8.1.11 DocumentationFormatting....................................................................................161 9-24. to_char Examples......................................................................................... — you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) 19 Chapter0 码力 | 1582 页 | 12.19 MB | 1 年前3
PostgreSQL 8.1 DocumentationFormatting....................................................................................161 9-24. to_char Examples......................................................................................... — you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) 19 Chapter0 码力 | 1548 页 | 11.54 MB | 1 年前3
PostgreSQL 8.3 Documentation— you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) ); CREATE Advanced Features name text, population real, altitude int -- (in ft) ); CREATE TABLE capitals ( state char(2) ) INHERITS (cities); In this case, a row of capitals inherits all columns (name, population, and0 码力 | 2015 页 | 4.54 MB | 1 年前3
PostgreSQL 8.3 Documentation— you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) 19 Chapter TABLE cities ( name text, population real, altitude int -- (in ft) ); CREATE TABLE capitals ( state char(2) ) INHERITS (cities); In this case, a row of capitals inherits all columns (name, population, and0 码力 | 2143 页 | 4.58 MB | 1 年前3
PostgreSQL 8.4 Documentation— you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) ); CREATE TABLE cities ( name text, population real, altitude int -- (in ft) ); CREATE TABLE capitals ( state char(2) ) INHERITS (cities); In this case, a row of capitals inherits all columns (name, population, and0 码力 | 2224 页 | 5.05 MB | 1 年前3
PostgreSQL 8.4 Documentation— you choose.) PostgreSQL supports the standard SQL types int, smallint, real, double precision, char(N), varchar(N), date, time, timestamp, and interval, as well as other types of general utility and scheme like this: CREATE TABLE capitals ( name text, population real, altitude int, -- (in ft) state char(2) ); CREATE TABLE non_capitals ( name text, population real, altitude int -- (in ft) ); 22 Chapter TABLE cities ( name text, population real, altitude int -- (in ft) ); CREATE TABLE capitals ( state char(2) ) INHERITS (cities); In this case, a row of capitals inherits all columns (name, population, and0 码力 | 2371 页 | 5.09 MB | 1 年前3
共 41 条
- 1
- 2
- 3
- 4
- 5













