Controlling access to individual records in a DB.
Question: I am building a VB/SQL database app in which I need to control access to individual records in a table based on an EmployeeId. The front-end VB app requires
Question: I am building a VB/SQL database app in which I need to control access to individual records in a table based on an EmployeeId. The front-end VB app requires
Question: How can I display the row number in the results of a SELECT query? For example: Select empname from employees where city = “toronto” I would like to show
Question: Is there a limit on the number of tables that can be joined in SQL? Answer: In SQL Server version 6.5 there is an upper limit of 16 tables
Question: What does the PL stand for in PL/SQL? Answer: The PL stands for procedural. SQL is traditionally set-oriented. In many situations, a significant amount of procedural code must also
Question: I have a problem making reports flexible. Let us assume we have a standard report, but it changes according to the situation. How can I allow users to change
Question: I’m trying to query our Human Resources database to find the number of temporary employees in each department. I’m using the following SQL statement: select count (*)from employeewhere status
Question: I have a table like this: name cat1 cat2—- —— —–A 1 orangeA 1 orangeB 1 appleB 1 appleB 1 appleC 2 bananaC 2 bananaC 2 bananaC 2 banana
Question: I am working with a client that has a Powerbuilder application. We need to call that app through a variety of APIs. The client says that they cannot act
Unlike ordinary member functions, a virtual destructor is not overridden when redefined in a derived class. Rather, it is extended: the lower-most destructor first invokes the destructor of its base