char
char 英 [tʃɑ:(r)] 美 [tʃɑr]
vi. 烧焦；打杂 n. 炭；家庭杂务 vt. 把…烧成炭
进行时:charring 过去式:charred 过去分词:charred 第三人称单数:chars 名词复数:chars
- To char is to burn or blacken something so that it’s like charcoal but still tasty. A char is something that has been burned in this way.
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- vi. 烧焦；打杂
- n. 炭；家庭杂务
- vt. 把…烧成炭
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1. This conversion improves performance when the char and the VARCHAR types are present in one table.
当在同一张表中同时存在 CHAR 和 VARCHAR 类型时，这一转换会提高性能。
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2. He showed a remarkable picture of great towering maize plants in the plot with the char and miserable little runts in the plot without.
他给我们展示了一张图片：在生物炭的滋养下玉米高大强壮，而在缺少了生物炭的田地里玉米却小得可怜。
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3. If you store strings in columns of type VARCHAR or char in a DB2 database, you often have the need to apply content-based predicates on those strings.
如果将字符串存储在 DB2 数据库的 VARCHAR 或 CHAR 类型的列中，那么就常常需要在这些字符串上应用基于内容的谓词。
- char (v.) "to reduce to charcoal," 1670s, probably a back-formation from charcoal (q.v.). Related: Charred; charring.
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