Oracle

I had to record the problem two times in a row.  = SQL Server =String strselect = "select * From books where name = @ name "; System. Data. sqlclient. sqlparameter sqlpar = new sqlparameter ();Sqlpar. parametername = "@ name ";Sqlpar. value =

Transformation from SQL Server to Oracle: SQL Server: 1. Only one service 2. After a user logs on, the user manages multiple databases. All users see the same data objects. Follow the permission prompt when performing specific operations. Oracle

The Null Value in Oracle does not mean anything. Is not null. For example, in table 1, there is a nub_flag of the number (1) type. Some of the values are already 1, and others are all empty. You want to update other values to 0. Write a statement

Select username, profile, initial_rsrc_consumer_group from dba_users; Modify a user's configuration fileAlter user Report Profile limituser;Alter profile limituser limit connect_time unlimited; --- Modify a user's resource consumer group Execute

The database server and the Primary Application Server are deployed on two servers to achieve suncluster. In this case, troubleshooting is difficult. Because the Oracle service is monitored by the cluster software, the cluster software will try to

I used the Oracle query statement today and wrote down the question about Oracle's left-right link. My query statement is like this. Select v. *, R. * from (select service_id, sum (amount) from v_order_relation_detail group by service_id) V,

First, check which tables are locked. Select B. Owner, B. object_name, A. session_id, A. locked_modeFrom v $ locked_object A, dba_objects BWhere B. object_id = A. object_id; Owner object_name session_id locked_mode---------------------------------

Select * from test 1 00 001 Big 5 152 00 001 medium 25 753 00 001 small 85 254 00 002 large 65 355 00 002 medium 95 856 00 002 small 85 257 01 001 large 16 148 01 001 medium 290 759 01 001 small 83 22     Select num, Flg, (Case when grouping (

If reprint please indicate the source: http://www.cnblogs.com/xd502djj/archive/2010/08/18/1802130.html Although I used to delete repeated records in the previous article, it was not bad, but I encountered a heavyweight large table, and I

Recently, I have to deal with transactions. I have sorted out the following common Oracle transaction methods:CommitUsage :(The transaction is completed, the data is modified successfully, and is open to other users.)For example: Update Plan

Recently encountered a problem: Adding and changing data to a table in another remote database in an Oracle databaseThe customer requested that the two tables be synchronized on a regular basis, and began to prepare for writing them into the Windows

Remember to write something at school Program When the database is used, as long as the function can be completed, no performance issues are considered at all, after the development of two large projects, I realized that the importance of database

Introduction: This is a detailed page of the PHP Oracle paging class. It introduces the related knowledge, skills, experience, and some PHP source code. Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 3234

Preface Recent company Technologies,R & D personnel are asking me how to set memory parameters to be optimized.OraclePerformance,So I took the time to sort out this document.,For reference. Purpose You want to organize this document,Make

1. Basic Structure Create or replace procedure(Parameter 1 in number,Parameter 2 in number) IsVariable 1 integer: = 0;Variable 2 date;Begin End stored procedure name 2. Select into statementSave the result of the SELECT query to a variable.

In Oracle databases, tables are the most basic content. It can be said that the design of tables is directly related to the database performance. Therefore, when designing a table, in addition to complying with its inherent database principles, you

First, you must understand some concepts: The information in the log file ensures that the transaction can be restored when the system fails. When a user finishes sending a commit, the commit complete information is always received only after the

1. PL/SQL develper calls the Oracle client to connect to the Oracle server 2. Select My objects-packages-create package to create a package. 3. The packet is divided into two parts: the packet header, the packet body, and the packet body

Querying pages of Oracle dynamic SQL statements Principle: dynamically assemble SQL statements and implement nested query using the Oracle rownum virtual column! Procedure proc_goods_search_list (p_type number,P_keywords varchar2,P_index

The steps for testing the Oracle stored procedure are relatively simple. You can take a rough look at it to understand it! Right-click the stored procedure to be tested:-> Test Test Main Window Enter the test parameters and click the start