old cursor

Original: http://ntk2006.blog.sohu.com/135331235.html Cursor ConceptCursors provide a flexible way to retrieve and operate data from tables. cursors are mainly used on servers to process SQL statements sent from clients to servers, or data

I recently handled some memory leaks in my work. In this process, I found some basic problems, instead of causing memory leaks, such as static variables, cursor shutdown, threads, timer, anti-Registration, bitmap, etc. I have made some statistics

I recently handled some memory leaks in my work. In this process, I found some basic problems, instead of causing memory leaks, such as static variables, cursor shutdown, threads, timer, anti-Registration, bitmap, etc. I have made some statistics

Recently handled some memory leaks in the work, in this process I found some basic problems instead of causing memory leaks, such as static variables, cursor shutdown, thread, timer, reverse registration, bitmap and so on, I have a little statistics

IntroductionLet's start with an example of what the cursor concept, steps, and syntax are:?????? Table One originsalary??????????????????????????????????????????????????? Table Two AddsalaryNow there are 2 tables, one is the Originsalary table-the

IntroductionLet's start with an example of what the cursor concept, steps, and syntax are:Table One originsalary table two addsalaryNow there are 2 tables, one is the Originsalary table-the payroll, there are three fields 0_id employee number

1, VIM fast move the cursor to the beginning and end of line 1 Press the Home key on the keyboard to quickly move the cursor to the beginning of the line. Use ^ (SHIFT + 6) or 0 (number 0) in command/Normal mode to return to the beginning of the

In 11g, Oracle introduced a new feature: adaptive cursor sharing. This feature is mainly used to improve the execution plan of SQL statements with variable binding. It also causes SQL statements with variable binding to generate multiple cursors. In

[Oracle] Chapter 5 cursor and trigger, Chapter 5 oracle cursor Chapter 5 cursor and trigger Cursor: Implicit cursor: % FOUND, % NOTFOUND, % ROWCOUNT 1.% FOUND usage. The % FOUND attribute returns TRUE only when the DML statement affects one or more

Part of this article is not originalExamples of Use:DECLARE mycursor cursorForSelect Id,[column1],[num] from Table1Open mycursor;declare @ID int, @Column1 varchar, @Num intFETCH NEXT from MyCursor to @ID, @Column1, @Num;While @ @FETCH_STATUS =