Updating multiple rows in sql server
What is important for us in the context of this article is that a consequence of the WAL protocol is that any change that occurred to any data stored in SQL Server must be described somewhere in the log.Remember now that all your database objects (tables, views, stored procedures, users, permissions etc) are stored as data in the database (yes, metadata is still data) so it follows that any change that occurred to any object in the database is also described somewhere in the log. Now you can ask questions directly to me on my new site ASPForums. Net Question Answer site, specially started to allow visitors of this site ask their doubts and queries. Just click the Ask Now button and ask your question now.Let's say you're posing the following request to the database."Which cities are represented by our bowling league membership?And the fact that the output of can easily go into millions of rows does not help either.But I’ll try to give some simple practical examples that can go a long way into helping sort through all the information and dig out what you’re interested in.
A new thread will possibly yield quicker responses. ZIP, REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE([Property_Name],'The ',''),',',''),'''',''),'Apartments',''),'Apartment',''),'APTS','') & [ZIP] AS TRIMNAMEZIPFROM RDCWHERE LEVEL = 1; The replace list just continues to grow, and the replace sequence becomes harder and hard to order.
Use the DISTINCT keyword in your SELECT statement, and the result set will be free and clear of all duplicate rows.
Figure 4–9 shows the syntax diagram for the DISTINCT keyword.
Figure 4–9 The syntax for the DISTINCT keyword As the diagram illustrates, DISTINCT is an optional keyword that precedes the list of columns specified in the SELECT clause.
The DISTINCT keyword asks your database system to evaluate the values of all the columns as a single unit on a row-by-row basis and eliminate any redundant rows it finds.
I develop software that stores a lot of data in one of its database tables (SQL Server version 8, 9 or 10).