Literals

The terms literal and constant value are synonymous and refer to a fixed data value. For example, STOCK, SUDDEN ALERT, and 512 are all string literals; 1024 is a numeric literal.

In Event Stream Processor, string literals are delimited by single (' ') quotation marks to distinguish them from object names, which are delimited by double (" ") quotation marks.

Neither BLOB nor XML data types have literals.

• Time Literals
  Use time literals to specify timestamps and intervals.
• Boolean Literals
  Boolean literals are True and False statements which are not sensitive to case. For example, True, false, TRUE, FALSE, tRuE, fAlSe, true, False, truE, and falsE are all valid.
• String Literals
  String literals appear as a part of expressions.
• Numeric Literals
  Numeric literals are used to specify integers, long, and floating-point numbers.