[begin_label:]WHILEconditionDO--循环体--可以在循环体中执行SQL语句ENDWHILE[end_label] 示例 代码语言:javascript 代码运行次数:0 运行 AI代码解释 DELIMITER//CREATEPROCEDUREWhileLoopExample()BEGINDECLAREcounterINTDEFAULT0;WHILEcounter<10DOSETcounter=counter+1;--输出当前计数器值SELECTcounter;ENDWHILE;END//...
davice I am not sure about DO-WHILE IN MS SQL Server 2008 but you can change your WHILE loop logic, so as to USE like DO-WHILE loop. 1) Example of WHILE Loop DECLARE@intFlagINTSET@intFlag=1WHILE (@intFlag<=5)BEGINPRINT@intFlagSET@intFlag=@intFlag+1ENDGO ResultSet: 1 2 3 4 5 2...
1) Simple PL/SQL WHILE loop example The following example illustrates how to use the WHILE loop statement: DECLARE n_counter NUMBER := 1; BEGIN WHILE n_counter <= 5 LOOP DBMS_OUTPUT.PUT_LINE( 'Counter : ' || n_counter ); n_counter := n_counter + 1; END LOOP; END; Code languag...
译:当你不确定循环体有多少次的时候,可以使用WHILE LOOP。因为在进入循环以前,WHILE的条件是先给的,因为可能循环体不止执行一次。 Let's take a look at an example: WHILE monthly_value <= 4000 LOOP monthly_value := daily_value * 31; END LOOP; In this example, the WHILE Loop would terminate on...
PL/pgSQL while loop example The following example uses the while loop statement to display the value of a counter: do $$ declare counter integer := 0; begin while counter < 5 loop raise notice 'Counter %', counter; counter := counter + 1; end loop; end; $$; Output: NOTICE: Counte...
Example 1: while Loop using System; namespace Loop { class WhileLoop { public static void Main(string[] args) { int i=1; while (i<=5) { Console.WriteLine("C# For Loop: Iteration {0}", i); i++; } } } } When we run the program, the output will be: C# For Loop: Iterati...
-- loop DECLARE v_num VARCHAR2(100); CURSOR c_num IS SELECT NAME FROM test_t WHERE ROWNUM < 600000; BEGIN dbms_output.enable(800000); OPEN c_num; LOOP FETCH c_num INTO v_num; EXIT WHEN c_num%NOTFOUND; --未找到数据 END LOOP; CLOSE c_num; END; -- while DECLARE v_num3 VARCH...
51CTO博客已为您找到关于sql server 使用while loop的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及sql server 使用while loop问答内容。更多sql server 使用while loop相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术人实现成长和进步。
LOOP -基本循环 WHILE -根据条件循环 FOR -固定次数的循环 create table T_TEST ( id number(5), num number(10) ); 1. 2. 3. 4. 5. LOOP 语法 LOOP sequence_of_statements END LOOP; 1. 2. 3. 4. 5. 示例 DECLARE v_count NUMBER(5):=1; ...
C# While LoopThe while loop loops through a block of code as long as a specified condition is True:SyntaxGet your own C# Server while (condition) { // code block to be executed } In the example below, the code in the loop will run, over and over again, as long as a variable (i...