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wiki:postgres:postgis-glossar_j

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Table of Contents

PostGIS Glossar

(für die PostGIS User Documentation)


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

J

jagged array

unregelmäßiges Feld

Jagged_array “In computer science, a jagged array, also known as a ragged array, is an array of arrays of which the member arrays can be of different sizes and producing rows of jagged edges when visualized as output. In contrast, C-styled arrays are always rectangular. …”

join

Join

Bei PostgreSQL sind INNER und OUTER immer optional. INNER ist der Standardwert LEFT, RIGHT, und FULL implizieren einen Outer Join (z.B.: “left join” ist ident mit “left outer join”/Linker äußerer Verbund).

wiki/postgres/postgis-glossar_j.1512651332.txt.gz · Last modified: 2017/12/07 12:55 by schild