操作符

• There operations include the general relational operators such as
  这些操作包括一般的关系操作符，比如
• Operator when matching and replacing
  操作符来标识它们。
• A join has a set of left attribute , right attribute , operator
  一个联结有一组(左属性,右属性,操作符) 。
• In prefix notation , the operator is written before its operands
  前缀表示法中，操作符写在操作数的前面。
• Operator along with the key that should be deleted from the container
  操作符以及应该从容器中删除的键。
• Operator and access members via
  操作符和存取成员透过
• Operator to check the node type
  操作符检查节点类型。
• The chain continues since traditional , boolean , logical operators such as
  传统的布尔逻辑操作符（如与( and )
• Use the standard sql comparison operators where possible , and use
  尽可能使用标准的sql比较操作符，并在最后的