By Robert Vieira
Masking the entire basics of SQL Server 2005, this developer-oriented advisor starts with an exploration of the root gadgets of SQL. every one bankruptcy builds at the earlier one, progressively progressing to more and more complex themes. by the point you have got accomplished this ebook, you may be ready to accomplish as a good SQL Server 2005 programmer, and, whilst prepared, movement directly to the extra complex specialist name.
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Extra info for Beginning SQL Server 2005 Programming
Therefore, if we were in a named pipes environment, we might need to add a new library. To do that, we would go back to the Protocols tree, right-click on the named pipes protocol, and chose enable. At this point, you might be tempted to say, “Hey, why don’t I just enable every NetLib? ” This situation is like anything you add onto your server — more overhead. In this case, it would both slow down your server (not terribly, but every little bit counts) and expose you to unnecessary openings in your security.
Between two tables. We’ll talk about relationships extensively in Chapters 7 and 8 and we’ll look further into diagrams later in the book. Figure 1-2 Views A view is something of a virtual table. A view, for the most part, is used just like a table, except that it doesn’t contain any data of its own. Instead, a view is merely a preplanned mapping and representation of the data stored in tables. The plan is stored in the database in the form of a query. This query calls for data from some, but not necessarily all, columns to be retrieved from one or more tables.
Instead, they are written serially to the transaction log. At some later point in time, the database is issued a checkpoint — it is at that point in time that all the changes in the log are propagated to the actual database file. The database is in a random access arrangement, but the log is serial in nature. While the random nature of the database file allows for speedy access, the serial nature of the log allows things to be tracked in the proper order. The log accumulates changes that are deemed as having been committed, and then writes several of them to the physical database file(s) at a time.
Beginning SQL Server 2005 Programming by Robert Vieira