Specifies the parameters for locking the current record. 
Unit
MSAccess
 Syntax
TMSLockType = (ltUpdate, ltExclusive);
Values
  
    | Value |     Meaning |   
  
    | 
ltExclusive     | 
    
The locked record can be neither read nor updated until the lock is released.      | 
  
  
    | 
ltUpdate     | 
    
The locked record can be read by others, but it cannot be updated until the lock is released.      |