CREATEOR REPLACEPROCEDURE(,参数名INOUTIN OUT数据类型default-clause)READS SQL DATAISASdeclarationBEGIN语句EXCEPTIONWHEN异常OR异常THEN语句ENDprocedure-name 描述 PROCEDUREprocedure-name 指定过程的标识。procedure-name的未限定格式是最大长度为 128 的 SQL 标识。在动态 SQL 语句中,使用 CURRENT SCHEMA 专用寄存器的...
CREATE OR REPLACE PROCEDURE simple_procedure IS BEGIN DBMS_OUTPUT.PUT_LINE('That''s all folks!'); END simple_procedure; 以下示例演示一个过程,此过程接受一个 IN 参数和一个 OUT 参数,并包含标号具有标准 PL/SQL 格式(<<标号>>)的 GOTO 语句: CREATE OR REPLACE PROCEDURE test_goto ( p1 IN IN...
Procedures are defined using PL/SQL. Therefore, the syntax diagram in this book shows only the SQL keywords. Refer toOracle Database PL/SQL Language Referencefor the PL/SQL syntax, semantics, and examples. create_procedure::= Description of the illustration create_procedure.eps ...
是指在使用pyodbc库调用数据库存储过程时,如果CREATE PROCEDURE语句执行失败,pyodbc不会抛出异常或显示错误信息,而是静默地失败。 pyodbc是一个用于连接和操作数据库的Python库,它提供了一个简单的接口来执行SQL查询和操作数据库对象。当使用pyodbc执行CREATE PROCEDURE语句时,如果语句存在错误或不符合数据库的语法规则...
create_procedure ::= 図create_procedure.epsの説明 plsql_procedure_source ::= 図plsql_procedure_source.epsの説明 (sharing_clause ::=、default_collation_clause ::=、invoker_rights_clause ::=、accessible_by_clause ::=、call_spec ::=、body ::=、declare_section ::=、parameter_declaration :...
Create Triger Example CREATE OR REPLACE TRIGGERmy_sal_changes BEFORE DELETE OR INSERT OR UPDATE ON Emp_tab FOR EACH ROW WHEN (new.Empno > 0) DECLARE sal_diff number; BEGIN sal_diff := :new.sal – :old.sal; dbms_output.put(‘Old salary: ‘ || :old.sal); ...
CREATE PROCEDURE creates a stored procedure.Function creation also applies to stored procedures. For details, see CREATE FUNCTION.The precision values (if any) of the par
SYS MACLEAN_PROC PROCEDURE 3 execute immediate 'select 1 from dual'; SYS MACLEAN_PROC PROCEDURE 4 end; 如果无法找出准备的scn作为flashback query闪回原点,那么可以尝试使用as of timestamp多次指定不同的时间点,一般只要PL/SQL对象被覆盖的时间不要太久且实例对undo的并发事务需求较低时,都可以通过以上方法...
2_view(id,name,age,hao) as select t.tid...create [or replace] view tab_view(id,name,age,hao) as select t.tid,t.tname,t.age,t.hao from...Oracle PL/SQL包 包用于在逻辑上组合过程和函数,它由包规范(包头)和包体两部分组成 --包头 create [or replace] package lv_package is...
Write a PL/SQL block to create a procedure using the "IS [NOT] NULL Operator" and show OR operator returns TRUE if either operand is TRUE.Here is the procedure : PL/SQL Code:CREATE OR REPLACE PROCEDURE pri_bool( boo_name VARCHAR2, boo_val BOOLEAN ) IS BEGIN IF boo_val IS...