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the purpose for the cursor may be to update one row at a time or perform an administrative process such as sql server database backups in a sequential manner. one of the blessing and curses of sql server is that there are numerous ways to solve a problem. if you have ever worked with an ibm magnetic tape file system, you would immediately recognize that all of the cursor commands that we had in sql for allocating, deallocating and using a cursor were mapped command for command from the tape files. the second thing i would note is that microsoft allows you to write a cursor without utilizing any of the arguments. i’m sure there are many ways to do this, but i ended up creating a temp table for every month of the year. i’m sure that i could rewrite the report to avoid using a cursor, but i would like some feedback to know if this particular report is a an example of an apporpriate use of a cursor.
% gives you a sequence that starts at 1, cycles through and ends in 0. hence the -1 for [assigned], to make te 2 sequences align. i ended up copying all columns from the table and creating a macro to do similarly to what you recommended. i really would like to use select * in the cursor and avoid using variables just like my example in oracle. if i understand your first question correctly, you would need to reference each column when you create a variable, populate the cursor, iterate the row set if you are processing each column in some sort of manner. i’d really prefer to use select * statement as i have to use and process more than 100 columns in the table. i think another point to mention is to limit the amount of information obtained for use with the cursor.
– sql server cursor current of example; sql server cursor alternative with a while loop. this tip provides sample code that can be used to in this tutorial, you will learn how to use the sql server cursor to process a result set, one row at a time. sql server cursor example. we’ll use the prodution. products table from the sample database to show you how to use a cursor: products. – for example, suppose a static cursor fetches a row, and another application then updates that row. if the application refetches the row from the , tsql cursor example, tsql cursor example, ms sql cursor multiple columns, t-sql cursor update current row, sql server cursor performance.
– a sql cursor is a database object that retrieves data from result sets one for example, a select statement returns a set of rows which is cursor examples for sql server. here’s an easy example of a cursor that loops through mytable and gets an id and a string from each row: transact-sql. in this tutorial, you will learn how to use the oracle for update cursor to update data in a table. advanced pl/sql administration home / pl/sql tutorial / oracle cursor for update consider the following example. declare , sql cursor oracle, sql iterate over cursor, sql iterate over cursor, sql while loop cursor example, sql cursor fetch
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