Building an SQL JOIN command starts as a regular SQL SELECT command, but instead of specifying fields from just one table, you can specify fields from more than one table.

构建SQL JOIN命令时，开始仍是常规的SQL SELECT命令，但这里不是仅指定来自一个表的字段，而是指定来自多个表的字段。

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The best option to exit the debugger is always to abort the command and return to the regular REPL window.

退出调试器的最佳选项始终是中止命令并返回到正常的REPL窗口。

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On the command line, the regular expression ACTS as an adjective — a description or qualifier.

在命令行中，正则表达式的作用相当于形容词——一种描述或限定词。

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But the 25-year-old cannot currently command a regular place at regional level as he plays for the same Blues side as Williams.

BBC: Williams makes shock Wales return

The 30-year-old, who is on World Cup qualifying duty with Australia, has struggled to command a regular first-team place under U's boss Paul Lambert.

BBC: U's deny Coyne termination claim

President Obama met with his national security team and chain of command for his regular update on Afghanistan and Pakistan.

WHITEHOUSE: Press Briefing