我正试图执行一个SQlite替代职能,但在该职能中使用另一个领域。
select locationname + <p> from location;
结果是零零。 我本会从地点名称和<代码>及>;p>字面上对案文加以说明。
可在<条码>+查询
select locationname || <p> from location;
http://www.sqlite.org/lang_expr.html“rel=“noretinger”>SQLite document:
“Concatenate”公司是“Concatenate”公司,它会合其两条歌剧。
> 操作者为Kallite的组别。 使用该守则:
select locationname || <p> from location;
比较:
SQLite || Oracle CONCAT(string1, string2) or || MySQL CONCAT(string1, string2, string3...) or || if PIPES_AS_CONCAT enabled Postgres CONCAT(string1, string2, string3...) or || Microsoft SQL Server 2012+ CONCAT(string1, string2, string3...) or + Microsoft Access +
“2010年视觉演播室”,使用数据来源设计师或主人,你在使用“伦敦”操作员时再次遇到麻烦。 形成 view的视角,并从中创造你们的数据来源。
See also this thread。
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