SQL-procedure-body:存储过程的主体 ---SQL-variable-declaration:变量声明 ---Variable declaration statement代码 DECLARE variable-name data-type [DEFAULT value] variable assign statement:变量赋值语句 常见的变量赋值语句有:SET,VALUES INTO,SELECT INTO,FETCH语句 SET variable-name = value SET variable-name =...
db2[option...][db2-command|sql-statement|[?[phrase|message|sqlstate|class-code]]]option:-a,-c,-d,-e{c|s},-finfile,-i,-lhistfile,-o,-m,-n,-p,-q,-rreport,-s,-t,-td;,-v,-w,-x,-zoutputfile.db2-command:ACTIVATEDATABASEGETCONTACTGROUPSRECONCILEADDCONTACTGETCONTACTSRECOVERADDCONTA...
You must use an SQL declare section to identify host variable declarations. SQL declare sections alert the precompiler to any host variables that can be referenced in subsequent SQL statements. For example: EXECSQLBEGINDECLARESECTION;charvarsql;/* allowed */EXECSQLENDDECLARESECTION; The C or C++...
SqlStatementConversionSample.xml VariableValueFileSample.xml ServersConnectionFileSample.xml 在變更其中顯示的參數以确保相關性之後,您可以執行這些範本(檔案)。 您可以在執行 SSMA 控制台中找到 文稿命令的完整清單 指令檔驗證 您可以將文稿檔案驗證為對應於O2SSConsoleScriptSchema.xsd的架構定義檔案,該檔案可在Schemas...
出于可维护性目的,可以在variable-group元素内声明变量,以便对用户定义的变量进行逻辑隔离。 此元素的使用不是必需的。 示例 A. 项目的变量值文件命令示例 XML <variables><variable-groupname="ProjectSpecs"><variablename="$project_folder$"value="<project-folder>"/><variablename="$project_name$"value="<...
SIGNAL [SQLSTATE[VALUE] <sqlstate_string_constant | variable_name |condition_name>] [SETMESSAGE_TEXT = diagnostic_expression] --创建触发器 --前触发器,在更新、插入或删除操作前执行 --后触发器,在更新、插入或删除操作后执行 --INSTEAD OF触发器,描述如何对视图进行插入、更新和删除操作 ...
When you want to pass a null value to a Db2 column, in addition to putting a negative value in an indicator variable, you also need to put a valid value in the corresponding host variable. For example, the following statements set a value in the WORKDEPT column in table EMP to null...
cycle insensitive privileges variable data insert procedure variant database integrity program vcat day into psid view days is queryno volumes db2general isobid read when db2genrl isolation reads where db2sql iterate recovery while dbinfo jar references with ...
A host variable A parameter marker A global variable A special register An expression for which implicit time zone value apply (or example, cast a timestamp to a timestamp with time zone) A CASE expression An OLAP specification An AI_ANALOGY, AI_COMMONALITY, AI_SEMANTIC_CLUSTER, or AI...
-- 更多变态级DB2 SQL写法,AnyOneTable表示任意一个存在的表 select 234 from AnyOneTable; select distinct 234 from AnyOneTable; select distinct 234 as 1 from AnyOneTable; select 'DB2变态级的SQL哈哈' from AnyOneTable; select distinct 'DB2变态级的SQL哈哈' from AnyOneTable; ...