oracle stored procedure tutorial

Recently, a project was created to improve database security. The customer asked all database operations to be stored in the stored procedure. It is easier to return a value for an update operation. However, if you want to return a record set, it is quite troublesome. I searched the internet for this. Article Not many. Here is a summary for your reference. We wi

Create a stored procedure for quick display of Oracle execution plans first: use the default [SQL] www.2cto.com SQL> create or replace procedure SQL _explain (v_ SQL varchar2) without setting output format parameters) 2 is 3 type explain_cursor_type is ref cursor; 4 explain_cursor explain_cursor_type; 5 a varchar2 (204

Oracle Stored Procedure instance memo Oracle Stored Procedure instance memo Statistical report: the number of user logins (platform clicks) at the beginning of each month. The scheduled tasks count the number of logins, number of

SQL Server, db2, and oracle Stored Procedure dynamic SQL statement example Oracle Create or replace procedure a_testAS t_ SQL VARCHAR2 (2000); t_a VARCHAR2 (20); t_ B VARCHAR2 (20); t_c VARCHAR2 (20); t_d VARCHAR2 (20); BEGIN t_c: = 'F'; t_d: = 'G'; -- any SQL statements su

SQL server, db2, oracle Stored Procedure dynamic SQL statement example, db2oracle Oracle Create or replace procedure a_testAS t_ SQL VARCHAR2 (2000); t_a VARCHAR2 (20); t_ B VARCHAR2 (20); t_c VARCHAR2 (20); t_d VARCHAR2 (20); BEGIN t_c: = 'F'; t_d: = 'G'; -- any SQL statem

There are two implementation methods for returning a cursor from an Oracle stored procedure. One is to declare a system cursor and the other is to declare a custom cursor. This article will introduce it in detail. For more information, see There are two implementation methods for returning a cursor from an Oracle

I am an Oracle enthusiast. The following content is my personal summary of the Oracle stored procedure, including the creation of the stored procedure and the practical application of variable assignment, the following is a descri

Small Example of calling Oracle stored procedure in JSP * Execute an insert statement and pass the parameter */Create or replace procedure p_test2 (I in number)BeginInsert into T values (I, 'x' | to_char (I ));Commit;End;/ String driver = "oracle. JDBC. Driver. oracledriver

The following articles mainly describe the actual steps for calling the Oracle paging Stored Procedure correctly in ibatis, and the items in the actual operations are worth noting, the following describes the main content of the text, hoping to help you in this aspect.Oracle paging: Create or replace procedure P_QueryS

Tags: des os ar for Data sp on C EFCreate or replace procedure Qianfeigl_jiaokuandy (Cebenh varchar2, Kehuh varchar2, Hetongh varchar2, v_cur out query_pkg. Query_cur)IsSqlstr VARCHAR2 (3000);Beginsqlstr:= ' Select A.S_CH,A.S_CID,C.S_HETONGH,A.D_CAOZUOSJ from Zw_yingyez a left joins Kg_biaokaxx B on A.s_cid=b.s_cid Left joins Kg_zhanghuxx C on C.s_zhanghubh=b.s_zhanghubh where i_xiaozhang=0 ';If CEBENH is not null and length (CEBENH) >0 Thensqlstr:=sq

Oracle Stored Procedure return record set oracle Stored Procedure return record set, the key is to use a cursor. We certainly have a lot of contact with database cursor. We can use OPEN, FETCH, and CLOSE operations to control the

I. Role of Oracle package 1. Definition and descriptionA. encapsulation of related objects (custom types, functions, stored procedures, etc.)B.ProgramEach part of the package-Package type descriptionDeclaration subroutine-Package subjectDefine subroutine 2. advantages of using the package-Modularization-Easier Application Design-Information Hiding-New Features-Better performance 3. Differences between

Oracle tables cannot be exported with SQL scripts if they contain CLOB fields, especially when data backup is required or data import and export is inconvenient. This stored procedure you simply pass in the table name and the results that need to be returned, you can get the executable SQL, directly in PL/SQL to perform the returned results, you can export the da

(String. IsNullOrEmpty (This. TextBox3.Text)) {This. TextBox3.Text ="The name cannot be empty";This. Textbox3.focus ();Return; } String or=configurationmanager.connectionstrings["Conn"]. ToString (); OracleConnection OC =NewOracleConnection (or); Oc. Open (); OracleCommand om =Oc. CreateCommand (); Om.commandtype =CommandType.StoredProcedure; Om.commandtext ="Proc2"; Om. Parameters.Add ( "v_id" Oracletype.number). Direction = ParameterDirection.Input; om. Parameters[ "v_id"]. Value = this "v_na

Oracle Stored Procedure ----- PLS-00103: The symbol "/" appears when the following is required .. solve oracle to write a stored procedure: the following error occurs, [SQL] PLS-00103: The symbol "/" in the need of the following:

When writing a stored procedure in Oracle, a large SQL statement is sometimes used, but when viewed with the Pl/sql tool test you cannot see the SQL, and the discovery can be handled through an Oracle physical temporary table. Add dbms_output.put_line (' SQL statement to Output ') in the

3 ways to declare and assign an Oracle stored procedure variable creationtime--2018 August 31 16:00 author:marydon1.3 Ways to declare variablesDifferentiate by the way data types are declaredWay one: declaring data types directlyFormat: Variable name data type (size)V_start_date VARCHAR2 (+); V_num number;Description　　When set to string type, you need to specify

Tags: MySQL stored procedure OracleMySQL, Oracle stored procedure syntax differences 1. Conditional statement: MySQL uses elseif keyword, Oracle is elsif keyword; Oracle If expression

-- Oracle paging statements-- Id of each recordSelect t1. *, rownum rn from (select * from emp) t1;-- Retrieve the first 10 recordsSelect t1. *, rownum rn from (select * from emp) t1 where rownum -- Extract 6th to 10th records. This statement can be used as a paging template.Select * from(Select t1. *, rownum rn from (select * from emp) t1 where rownum Where rn> = 6;-- Start the paging Process-- 1. Create a package first. The test_cursor type defined

Configuration environment: 1. Database: Oracle 8i R2 (8.1.7) for NT Enterprise Edition 2, Installation path: c:oracle Implementation method: 1.d:>set Nls_lang=american_america. USACII7 Or D:>set Nls_lang=american_america. We8iso8859p1 D:>set Direct SET command to view environment variables 2. Under D: Create the A.sql file, which reads as follows: Java code Create or Replace procedure test1 (i in number) as