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The Type-name Keyword

A type-name is merely a placeholder that has to be substituted with a proper type. For example: template T min( const T& first, const T& second); //T is a type-name,

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Make Sure Data is Safe Before Unloading

To decide when it is safe to exit your program, use a DataUnsafe function. Set the DataModified variable to False when you load or save data, or when you start

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PL/SQL

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

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Can PB act as a COM Server

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

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Inner Joins

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

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Displaying the Row Number in a SELECT Query

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

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adding records but not using primary key

Question: Is there any other way apart from using the INSERT INTO command that allows you to append a line to a database? I have a primary key “ID,” but

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SQL order by count

Question: I need to know how to order by the count of the selected field. For example: Select xxx count(xxx)from prod-tableorder by xxxI’d like to order/rank field xxx highest to

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query

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