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A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL ...
Lycurgus Consulting the Pythia (1835/1845), as imagined by Eugène Delacroix.. Pythia was the priestess presiding over the Oracle of Apollo at Delphi.There are more than 500 supposed oracular statements which have survived from various sources referring to the oracle at Delphi.
The if–then or if–then–else construction is used in many programming languages. Although the syntax varies from language to language, the basic structure (in pseudocode form) looks like this: If (Boolean condition) Then (consequent) Else (alternative) End If. For example: If stock=0 Then message= order new stock Else message= there is ...
Many block syntaxes can consist of any number of items (statements, expressions or other units of code) – including one or zero. Languages delimit a block in a variety of ways – some via marking text and others by relative formatting such as levels of indentation.
21% of Americans have chronic pain. A new study found that diets rich in vegetables, fruits, grains, lean proteins, and dairy was linked to less chronic pain.
Authorities have identified the woman who burned to death after she was set on fire inside a New York City subway train as 57-year-old Debrina Kawam.
WASHINGTON (Reuters) -U.S. officials are communicating with people in Syria to seek information about Austin Tice, an American journalist captured there more than 12 years ago, White House ...
Having an "end if" symbol delimiting the end of the if construct. Examples of such languages are ALGOL 68, Ada, Eiffel, PL/SQL, Visual Basic, Modula-2, and AppleScript. Disallowing the statement following a "then" to be an "if" itself (it may however be a pair of statement brackets containing only an if-then-clause). ALGOL 60 follows this ...