In this example, the dynamic PL/SQL block is an anonymous PL/SQL block that invokes a subprogram that has a formal parameter of the PL/SQL data type BOOLEAN. CREATEORREPLACEPROCEDUREsp_test_boolean(xBOOLEAN)AUTHIDDEFINERASBEGINIFxTHENDBMS_OUTPUT.PUT_LINE('x is true');ENDIF;END;/DECLAREdyn_...
Ever since Oracle Version 7.1, we PL/SQL developers have been able to use the built-in DBMS_SQL package to execute dynamic SQL. In Oracle8i, we were given a second option ... GetOracle PL/SQL Programming, Third Editionnow with the O’Reillylearning platform. ...
InExample 7-4,Example 7-5, andExample 7-6, the dynamic PL/SQL block is an anonymous PL/SQL block that invokes a subprogram that has a formal parameter of a PL/SQL collection type. Collection types are not SQL data types. In each example, the collection type is declared in a package ...
plsql dev在用户运行过程中,要收集用户统计信息,但是由于你现在登录的用户没有访问v$session,v$sesstat and v$statname视图的权限,所以不能收集当前用户的统计信息,和plsql dev工具中配置的Automatic Statistics相冲突,所以就出现了这个提示,试验验证: [oracle@xifenfei ~]$ sqlplus / as sysdba SQL*Plus: Release ...
图1:通过plsql dev中的tools–>session选项看用户统计信息 图2:通过sql语句查询用户统计信息 通过两张图的比较可能会发现,他们的数值有一点点出入,那是因为我先通过tools查询出用户统计信息,再通过sql查询,所以图1中的数据有些选项会比图2小那么一点点,通过对vsession,vsession,vsesstat and vstatname视图分析,发...
使用的PLSQL Developer 工具在对oracle 10g插入数据或查询数据的时候都会报以下错误:Dynamic Performance Tables not accessible, Automatic Statistics Disabled for this session You can
转自:惜分飞个人站(专门进行oracle方面研究)http://www.xifenfei.com/ 相信很多使用plsql dev的朋友多遇到过类此如下面的提示: Dynamic Performance Tables not accessible, Automatic Statistics Disabledforthis session You can disable statisticsinthe preference menu,or obtaninselect ...
Name SQL-20: Bind, do not concatenate, variable values into dynamic SQL strings. Synopsis When you bind a variable value into a dynamic SQL string, you insert a “placeholder” into the … - Selection from Oracle PL/SQL Best Practices [Book]
三、问题分析通过上面的解决方法,为什么授权访问vsession,vsesstat and v$statname视图就可以Statistics用户的信息了呢?请见下面的两张图图1:通过plsql dev中的tools–>session选项看用户统计信息图2:通过sql语句查询用户统计信息 通过两张图的比较可能会发现,他们的数值有一点点出入,那是因为我先通过tools查询出用户...
用PLSQL Developer,刚进入时,选择一个表,--->edit data有个提示: Dynamic performance Table not accessible Automatic Statistics disbled this seesion you can Statistics in the preference menu ,obtai ...