Table1-2 summarizes the PL/SQL compilation parameters. To display thevalues of these parameters for specified or all PL/SQL units, query the staticdata dictionary view ALL_PLSQL_OBJECT_SETTINGS. For information about thisview, see OracleDatabase Reference. 可以通...
In eitherenvironment, the PL/SQL engine accepts as input any valid PL/SQL unit. Theengine runs procedural statements, but sends SQL statements to the SQL enginein the database, as shown inFigure1-1. --PL/SQL 引擎接收任何有效的PL/SQL 单元,然后执行里面的过程语句,但是对于SQL 语句会丢给SQL...
function clob_to_sql_script ( p_clob in varchar2, p_procedure_name in varchar2, p_chunk_size in integer := 8191 ) return clob is -- Takes a CLOB, returns a SQL script that will call the given procedure -- with that clob as its parameter. l_strings apex_t_varchar2; l_chunk var...
complete. SQL> SQL> CREATE OR REPLACE FUNCTION compute_bonus (emp_id NUMBER, bonus NUMBER) 2 RETURN NUMBER 3 IS 4 emp_sal NUMBER; 5 BEGIN 6 SELECT salary INTO emp_sal 7 FROM employees 8 WHERE employee_id = emp_id; 9 RETURN emp_sal + bonus; 10 END compute_bonus; 11 / Function ...
If you want to make such comparisons, write your own function that accepts two records as parameters and does the appropriate checks or comparisons on the corresponding fields. Inserting PL/SQL Records into the Database Using a single variable of type RECORD or percent ROWTYPE in the VALUES ...
PL/SQL是一种块结构的语言,组成PL/SQL程序的单元是逻辑块,一个PL/SQL 程序包含了一个或多个逻辑块,每个块都可以划分为三个部分。 1)块的三个部分 ①声明部分(Declaration section) 声明部分包含了变量和常量的数据类型和初始值。这个部分是由关键字DECLARE开始,如果不需要声明变量或常量,那么可以忽略这一部分。
PL/SQL登录Oracle数据库提示“ORA-12541:TNS:无监听程序” 解决办法: 1、打开Oracle Net Manager 监听下的listener主机地址改成主机IP地址。 2、打开\app\oracle\product\12.1.0\dbhome_1\NETWORK\ADMIN下的tnsnames文件,host地址改为与上面本机IP地址一致。... ...
A parse operation by Oracle allocates a shared SQL area for a SQL statement. Once a shared SQL area has been allocated for a statement, it can be run repeatedly without being reparsed.Both parse calls and parsing can be expensive relative to execution, so perform them as seldom as ...
This section describes the migration syntax of Oracle PL/SQL. The migration syntax determines how the keywords and features are migrated.PL/SQL combines the procedural fe
TheRefactoringfunction can assist you when reorganizing your code. It can extract a selection of code as a separate procedure, rename variables and parameters, extract constants, and so on. ThePL/SQL Beautifierallows you to format your PL/SQL code through a user-defined set of rules. Your cod...