Again, it really depends on your situation. I almost always use a cursor to loop through records...
SQL While loop and cursor are the most common approach to repeat a statement on condition-based or determined limits. Loop and cursor can be utilized in a circumstance to deal with row-based processing in T-SQL. We generally observe moderate execution of old made procedu...
跳转语句之ITERATE语句ITERATE语句:只能用在循环语句(LOOP、REPEAT和WHILE语句)内,表示重新开始循环,将执行顺序转到语句段开头处。如果你有面向过程的编程语言的使用经验,你可以把 ITERATE 理解为 continue,意思为 再次循环。 语句基本格式如下:ITERATE label分类...
FOR employee_rec in c1 ---employee_rec直接用,不用提前定义 LOOP total_val := total_val + employee_rec.monthly_income; END LOOP; 当使用CURSOR FOR Loop时,不用我手工open cursor close cursor 应用: begin FOR emm IN ( SELECT ro_site, ns_site, product_line, wh_type FROM eis_hq_invhl_ma...
VSCURSOR_DRAGSCRAP_SCROLL 12 Scroll while dragging from scrap cursor. VSCURSOR_HAND 13 Hand cursor. VSCURSOR_IBEAM 14 I-beam (text) cursor. VSCURSOR_ISEARCH 15 Search cursor. VSCURSOR_ISEARCH_UP 16 Search up cursor. VSCURSOR_MACRO_RECORD_NO 17 Macro not recording cursor. VSCURSOR_NO 18...
PROPID_M_FIRST_IN_XACT WhileActivity.System.Workflow.ComponentModel.IActivityEventListener<System.Workflow.ComponentModel.ActivityExecutionStatusChangedEventArgs>.OnEvent Method (System.Workflow.Activities) MSMQMessage.Label Msvm_ProcessorPool class Shell Lightweight Utility Functions Progress Bar Controls Overview...
intuitive way to implement this is to extract the “VALUES” clause from the SQL string, callself.conn.format_sql_commandwith each parameter list, re-assemble the results into another SQL string, and then pass that to execute. Is there any alternative that doesn't involve parsing the SQL?
a DO loop. REPORT demo_select_cursor_2. DATA c TYPEcursor. DATA wa TYPE sbook.OPEN CURSOR c FOR SELECTcarrid connid fl bookid smoker FROM sbook ORDER BY carrid connid fldatesmoker book. FETCH NEXT CURSOR c INTO CORRESPONDING FIELDSOF wa. WHILE sy-subrc = 0. IF wa...
SQL Server Table variable inside a cursor loopThe scope of aTSQLvariable is from it's declaration...
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