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Conclusion question: How many ways of writing a loop in VBScript? My answer is 7: "For ... Next". "While ... Wend". "Do While ... Loop". "Do Until ... Loop". "Do ... Loop While". "Do ... Loop Until". "For Each ... Next" - Used with arrays and collections. See ...
OPEN C_USER(变量值); LOOP FETCH C_USER INTO V_NAME; EXIT FETCH C_USER%NOTFOUND; do something END LOOP; CLOSE C_USER; 8.用pl/sql developer debug 连接数据库后建立一个Test WINDOW 在窗口输入调用SP的代码,F9开始debug,CTRL+N单步调试 关于oracle存储过程的若干问题备忘 1.在oracle中,数据表别名...
oracle脚本上的LOOP/FOR语句 在PL/sql中,如果没有into子句,就不能使用普通的selectsql。 您对PL/SQL中的查询有什么期望? 您的第一个查询执行并填充csv,因为它是单个查询而不是匿名块。 您只需将条件添加到第一个查询的where子句中,如下所示: server.primary_name in ('server1', 'server2', 'server3',...
do while循环: do while循环是先执行一遍循环再去判断表达式,所以不管最后表达式的结果值是true还是false,循环里的代码都会先执行一遍。例如: 表达式的判断条件结果值为false也会先执行一次。注意改变变量值的代码要写,不然也会进入死循环。 如果条件表达式的判断结果值为true: 条件表达式的判断结果值为true,...【...
Can we optimise While Loop in sql server for large number of data? Can we pass parameters to the trigger?(Beginner) Can we RAISERROR inside MERGE Statement Can we select Bottom 1000 rows of a database Table from SSMS 2008 R2? Can we set value in a variable inside a select statement ...
In an ADO interface you can define this batch size, not in OPENQUERY. Because of this limitation, we just loop through the alphabet. */ DECLARE @cmdstr varchar(255) DECLARE @nAsciiValue smallint DECLARE @sChar char(1) SELECT @nAsciiValue = 65 WHILE @nAsciiValue < 91 BEGIN SELECT @...
Sometimes when tuning/improving the performance of a SQL statement, it can be useful to immediately ascertain the difference in run-time statistics (resource usage, latch contention, etc), especially on development environments before rolling out the SQL into production. While Oracle supplies us with...
Do-While loop until input is null Does anyone know how to AutoFit Columns starting from a particular Row in Excel? Does closing the command window kill a process? Does Compare-Object return anything if there is an exact match? Does get-aduser with -select always truncate the fields? Does ...
do { statement(s) } while (expression); The difference between do-while and while is that do-while evaluates its expression at the bottom of the loop instead of the top. Therefore, the statements within the do block are always executed at least once, as shown in the following DoWhileDem...