T-sql For in loop 变量循环语句 For 变量 in 循环开始的值 .. 循环结束的值(小于该值) Loop --做处理的语句 End Loop 例子: ---循环找出供应商 for i in 0 .. vendor_Total loop-- i 和 vendor_Total 在存储过程头部定义,vendor_Total 在循环之前已经赋值 if i = vendor_Total then str_vendor ...
有的 语法如下：FOR loop index IN [REVERSE] lowest number ..highest number LOOP executable statement(s)END LOOP;
However, SQL code does not have a FOR loop. It does have a couple of alternative SQL commands, which we will discuss in this SQL tutorial. The WHILE Loop Statement The most straightforward alternative might be the WHILE loop. After all, many programming languages have a WHILE and DO … WH...
V_COUNT_SQL VARCHAR2(500); --查询全部语句 V_TABLE_NAME_STR VARCHAR2(500); -- 不存在库中的表名 BEGIN -- 根据当前机构查询出需要验证的表,循环查一下这些表是否在库中存在 FOR j IN (SELECT T.TABLENAME FROM META_ORG_TABLE T WHERE T.ORGCODE = IN_ORG_CODE ) LOOP V_COUNT_SQL :='SEL...
FOR I IN 0..0 LOOP 至END LOOP。; 是循环包裹语句，从0开始到0结束（表示循环只执行一次），第二句的意思是从文件流fp里读取一行,赋值给变量v_STR.然后在第三行变量v_LINE自增1。这是Oracle中的循环代码块，是非常基础的。for循环，in *...* 从什么到什么。比如你的从0到0,0是满足条件...
Is there FOR LOOP in SQL Server? If you are new to SQL Server and trying to create a stored procedure with some simple logic, you might be looking for the syntax of FOR LOOP.
Learn how to simulate the FOR LOOP in SQL Server (Transact-SQL) with syntax and examples. In SQL Server, there is no FOR LOOP. However, you simulate the FOR LOOP using the WHILE LOOP.
-- loopDECLAREv_numVARCHAR2(100);CURSORc_numISSELECTNAMEFROMtest_tWHEREROWNUM<600000;BEGINdbms_output.enable(800000);OPENc_num;LOOPFETCHc_numINTOv_num;EXITWHENc_num%NOTFOUND;--未找到数据ENDLOOP;CLOSEc_num;END;-- whileDECLAREv_num3VARCHAR2(100);CURSORc_num3ISSELECTNAMEFROMtest_tWHEREROWNUM...
oracle pl sql loop循环 先创建表: CREATE TABLE TB_USER ( ID INTEGER PRIMARY KEY, USER_NAME VARCHAR2(20) NOT NULL, USER_AGE INTEGER NOT NULL ); CREATE SEQUENCE SEQ_USER INCREMENT BY 1 START WITH 1 NOMAXVALUE NOCYCLE CACHE 10; CREATE OR REPLACE TRIGGER TR_USER BEFORE INSERT ON TB_USER...
oracle for循环示例(for in loop) 方式一:循环游标 CREATEORREPLACE PROCEDURE"PRO_ADATA_CHECK_TABLE2"( IN_ORG_CODE VARCHAR2, IN_BATCH_CODE VARCHAR2, OUT_TABLENAME OUT VARCHAR2) IS--设置变量 V_COUNT NUMBER DEFAULT0;--数据量 V_COUNT_SQL VARCHAR2(500);--查询全部语句...