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declare type row_num_type is table of number index by simple_integer; type row_text_type is table of varchar2(10) index by simple_integer; row_num_tab row_num_type; row_text_tab row_text_type; v_total number; sql_stmt varchar2(300);begin for i in 1..10 loop row_num_tab(i) ...
WHILE循环:在SQL中,WHILE循环允许你重复执行一段代码块,直到指定的条件不再为真。 SELECT语句:用于从一个或多个表中检索数据。 INSERT语句:用于向表中插入新的记录。 示例代码 假设我们有两个表:SourceTable和DestinationTable。我们想要从SourceTable中读取记录,并将它们插入到DestinationTable中。 代码语言:txt 复制...
'ON B.ID = C.PROJECTID AND C.YEAR_DATE = D.TIME) T ORDER BY ID,PROJECTNAME,TIME )C ON A.ID = C.ID AND B.TIME = C.TIME ORDER BY a.ID,b.TIME'; TARGET_RESULTS := TARGET_RESULTS || ') ' || ALIAS || ' '; --循环拼接关联SQL FOR TEMP IN DATA LOOP --给待拼接的字段...
SQL SERVER 2008 An error occurred while executing batch. Error message is: There is not enough space on the disk. An error occurred while the batch was being executed. An explicit value for the identity column in table 'Calculation' can only be specified when a column list is used and ...
SQL Server、Azure SQL 数据库、Azure SQL 托管实例 和 Microsoft Fabric 的语法。 syntaxsql WHILEboolean_expression{sql_statement|statement_block|BREAK|CONTINUE} Azure Synapse Analytics 和分析平台系统的语法(PDW)。 syntaxsql WHILEboolean_expression{sql_statement|statement_block|BREAK} ...
SQL database in Microsoft Fabric Sets a condition for the repeated execution of a SQL statement or statement block. The statements are executed repeatedly as long as the specified condition is true. The execution of statements in theWHILEloop can be controlled from inside the loop with theBREAK...
Using CONTINUE to Reset a Loop The CONTINUE statement restarts a WHILE statement’s code block. Any statements found after the CONTINUE aren’t executed. For example, in the following, PRINT is never executed. DECLARE @myTable TABLE(WeekNumber int, ...
AnatoliD-- I spent some time working with this on various platforms (virtualized, PaaS) with various versions of SQL Server running on both Windows and Linux. I'm not really seeing any consistency or patterns with execution times. The vast majority of the time the loop executes in less than...
I'm switching jobs and moving over from SQL Server to mysql. I often use loops with dynamic sql to get fill rates in tables over a period of time. I started messing around this afternoon and am struggling a bit getting the following loop to execute. I did finally see on my last googl...