Updating record through cursor
Relational database management systems including SQL Server are very good at processing data in sets. However, if you want to process data on row-by-row basis rather than in sets, cursors are your only choice. To populate a cursor, database tables are iterated on row-by-row basis rather than in sets. While a cursor is being populated, the table being iterated is locked. Row operations can take a long time to execute depending upon the type of task being performed on each row. While the cursor is open, a table cannot be accessed or updated by the other users.
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Oracle CURSOR FOR UPDATE
How to Use Update Cursors in SQL Server - CodeProject
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Understanding cursors and replacing them with JOINs in SQL Server
Cursors allow you to step through a set of data one record at a time. Posted by Andrew Gould on 26 March You need a minimum screen resolution of about pixels width to see our blogs.
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