In this chapter, we'll describe some common SQL constructs. We'll be using these constructs in the following chapters, to describe how operations on SQL- data work. [Obscure Rule] applies to everything we talk about here, but the definitions are a necessary evil for understanding some of what lies ahead.
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<value specification>
A <value specification> is a scalar expression that specifies either a <lit... -
<value expression>
A <value expression> is a scalar expression that specifies a data value. In... -
<row value constructor>
A <row value constructor> defines an ordered set of values that make up one... -
<target specification>
A <target specification> is a scalar expression that specifies a host langu...
