postgresql - query with not equal doesn't work -

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This is a dumb question, but still, I am trying to write an equivalent where the document documents with PostGrussCl The icon & lt; & Gt; or ! = Both always get 0 results where an integer is on the field 

  Select user from user where user & lt; & Gt; 2; Choose UserAdd from Usartep! = 2;

The table looks like this: 

  User ID is not a major primary key to create a user, name VARCHAR (50) No, phone number VARCHAR (20 ) Is not unique, UserType INTEGER NULL);  Note:    Note:  Select the user from the following Executive Job and Return Results  
  User where the user & lt; 2 or Usery & gt; 2;  
 
 I was just thinking that someone is facing the same problem?


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