In the Vinony graph
Within Vinony's link graph, Update is referenced by 60 other articles, and connects out to SQL, International Standard Book Number and Hoboken.
It is catalogued under the topic SQL keywords.
Its subject is documented across 21 Wikipedia language editions.
Wikidata facts
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- Stack Exchange tag
- stackoverflow.com/tags/sql-update
- short name
- UPDATE
Sources (1)
via Wikidata · CC0
Article · 中文
在SQL裡,可以利用UPDATE陳述式修改資料表中一筆或多筆的資料。可以更新全部的欄位,或使用條件式只更新部份的資料。 以下是Update陳述式的語法: UPDATE 資料表名稱 SET [欄位名稱1 = 值1], [ 欄位名稱2 = 值2], [ 欄位名稱3 = 值 ...] [WHERE 條件式] UPDATE若要能成功,使用者必須要有欄位或是資料表的資料存取權限(UPDATE權限),而且更新的值不可違背資料表的限制條件(如主鍵、唯一索引、或非空值等限制)。
Abstract from DBpedia / Wikipedia · CC BY-SA
Connections
SQL
Entity
International Standard Book Number
Entity
Hoboken
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Library of Congress Control Number
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PostgreSQL
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relational database
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Edgar F. Codd
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infinite loop
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primary key
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database table
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database index
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JOIN
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data definition language
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SELECT
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column
Entity
DELETE
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INSERT
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Update
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MERGE
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NULL
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