Capitolul II Structurarea bazelor de date

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END;
/
Literali
Exemple:
-- Declaratii de variabile
number1 PLS_INTEGER := 32000; -- literal numeric, val întreagă
number2 NUMBER(8,3);
BEGIN
number2 := 3.125346e3; -- literal numeric
number2 := -8300.00; -- literal numeric
number2 := -14; -- literal numeric
END;
char1 VARCHAR2(1) := 'x'; -- literal caracter
char2 VARCHAR2(1);
BEGIN
char2 := '5'; -- literal caracter
END;
/
-- Declaratii de variabile
string1 VARCHAR2(1000);
string2 VARCHAR2(32767);
BEGIN
string1 := '555-111-2323';
-- daca un sir contine apostrof, acesta se dubleaza
string2 := 'Here''s an example of two single quotation marks.';
END;
/
-- Declaratii de variabile
gata BOOLEAN := TRUE; -- BOOLEAN literal
complet BOOLEAN;
true_or_false BOOLEAN;
BEGIN
gata := FALSE; -- literal BOOLEAN