确定符号表的组织方式，一般应包括名字栏和信息栏，其中名字栏作为关键字。要考虑能够存储有关名字的信息，并可以高效地完成如下操作：

a.查找：根据给定的名字，在符号表中查找其信息。如果该名字在符号表中不存在，则将其加入到符号表中，否则返回指向该名字的指针；

b.删除：从符号表中删除给定名字的表项。

-Symbol table to determine the organization, the general should include the names of columns and information fields, including the name of a column as a keyword. To consider the name to store the relevant information, and can operate efficiently to complete the following: a. Find: In accordance with the given name of the symbol table to find their information. If the name in the symbol table does not exist, it will add to the symbol table, otherwise return the pointer to the name　b. Delete: to remove from the symbol table given the name of the table.