DB2 UDB does not have native support for bit or Boolean data types, neither for bitwise operation nor for Boolean algebra operations.

DB 2 UDB没有为位数据类型或布尔数据类型提供本机支持，它既不支持逐位操作，也不支持布尔代数操作。

youdao

There are a couple of things you should definitely be aware of: you should understand how to represent Numbers in different bases and how to manipulate Boolean expressions using Boolean logic.

有几件事情是你必须做到的：你要清楚怎样用不同的进制表示一个数，还要知道如何用布尔逻辑计算布尔表达式。

youdao

However, without the square brackets the XQuery expression is a Boolean expression which always returns a Boolean value and never the empty sequence.

然而，如果不使用方括号，XQuery表达式就是一个总是返回boolean值的Boolean表达式，而不会返回空序列。

youdao

So even though we think of conditions as being Boolean values true or false, really underneath the hood true means anything other than zero.

即使我们考虑,布尔值的真假条件，在底层“真“表示非零。

哈佛公开课 - 计算机科学课程节选

There's this notion of a Boolean value named after Mr. Bool, which is just a notion of true or false.

布尔值的概念是在布尔先生之后命名的，它是一个正确或错误的概念。

哈佛公开课 - 计算机科学课程节选

And now, if I'm touching mouse pointer, we saw that Boolean expression before, play sound meow, wait a couple of seconds, and then just keep checking.

现在，如果我们碰下鼠标指针，起初我们看到一个布尔表达式，播放猫叫的声音，等几秒钟，然后如刚才那样做检测。

哈佛公开课 - 计算机科学课程节选

All that began to had began to change a century or so ago with the discovery of Boolean algebra and the construction of the first modern computing machines.

FORBES: Computing Desire

Glen Cathey, a vice president at the Randstad staffing firm, touched off the discussion a few days ago with a post on his Boolean Black Belt blog, entitled Do Recruiters Ruin LinkedIn?

FORBES: LinkedIn's Biggest Fans Might Be Driving The Rest Of Us Nuts