Oracle

Public voidSetuserreportresult (int[] ReportID,BOOLIsreceive,stringresult) { if(ReportID = =NULL) Throw NewArgumentNullException ("ReportID"); Result= result. Left ( the); stringsql ="Update Msg_user_receive_report Set

I. Operations on the tablespace 1, creating tablespace (Create Tablespace)--' hpdb_tablespace ' specifies tablespace name--' e:\hpdb.dbf ' specifies tablespace data file name--Size Specifies the initialization size of the tablespace--Autoextend on

1. If the function is locked, then there must be a process using the functionSelect b.sid,b.serial# from Dba_ddl_locks A, v$session b Where a.session_id = b.sid and A.name = ' function name or table name ';2. Kill processes using commands in

The use of the--oracle trunc () function/************** Date ********************/1.select trunc (sysdate) from dual--2011-3-18 today's date is 2011-3-182.select trunc (sysdate, ' mm ') from dual--2011-3-1 returns the first day of the month.3.select

Have the following data Deptname Phone Username Isboss Department A Phone 1 Employee A 0 Department A Phone 1 Leader A 1 Department b Phone 2

The Oracle database has three standard backup methods, namely export/import (EXP/IMP), hot backup and cold standbyReport Exporting a spare is a logical backup, and cold and hot backups are physical backups.First, export / import

Oracle Default database userWhen a new database is created, Oracle automatically creates 3 database users for us.1.sys User: SYS user is a super User in Oracle. All data dictionaries and views in the database are stored in the SYS mode (what is the

Database operation is one of the necessary development parts of current system development, especially in today's big Data era, database is especially important. But do you really know how Java is connected to the database?Let's give you a simple

Build a Test tableCREATE TABLE T_table nologging as SELECT * from Dba_objects;create table T_table_1 nologging as SELECT * from Dba_tables;--Create a log recordCreate materialized view Log on t_table with ROWID, sequence

Prelude: The necessary concept: ORACLE provides the ability to store PL/SQL programs in a database. And be able to run it everywhere. This is called a stored procedure or function. Procedures and functions are collectively referred to as PL/SQL

Ratio_to_report--List Sales totals per month of the previous year, year-end sales, and monthly sales as a percentage of total annual sales--method ①:SelectAll_sales.*, - * round(Cust_sales/Region_sales,2)|| '%' Percent from (SelectO.CUST_NBR

I. Statistical aspects:Sum() Over([Partition by] [Order by])Sum() Over([Partition by] [Order by]RowsbetweenPreceding andfollowing)Sum() Over([Partition by] [Order by]RowsbetweenPreceding and CurrentRow)Sum() Over([Partition by] [Order

1) The simplest formSQL Code-- confirmed that all customer_id less than 1000 in the Customers table are ' Beijing ' --within 1000 of the company to the country before the old customers of the city:)update customersset city_name=' Beijing 'where

1. Download the Oracle installation package (two compressed files) on the official website, and select the first page of accept License agreement2, extract two compressed packets to the current folder, will find automatically extracted into a folder

The solution is divided into several steps:Create Tnsnames.ora under 1.instantclient_11_22.ORCL =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP) (HOST = virtual machine IP) (PORT = 1521))(Connect_data =(SERVER = dedicated)(service_name = ORCL)))3. Add an

1, Oracle is a large database and MySQL is a small and medium-sized database, MySQL is open source and Oracle price is very high.2, Oracle Support large concurrency, large traffic.3, the space used to install the difference is also very large, MySQL

1. Basic structure create or replace procedure stored procedure name (parameter 1 in number in number ) is / as variable 1 integer : = 0 begin ... end stored procedure name 2. SELECT into STATEMENT　　Depositing the results of a

http://blog.csdn.net/leshami/article/details/6032525 Rman Overview and architectureHttp://blog.itpub.net/23513800/viewspace-664869/rman help commandRestore the creation of a directoryRC Library Operation 192.168.3.222Sqlplus/as SYSDBACreate

Immediately following the previous article, the Oracle database schema has been created, and my requirement is to migrate the databases on the old server to the new database .This will use the IMPDP (import) operation.To implement IMPDP (import)

Handle Oracle table lock dead, resources are busy problem, kill process can.One. Process steps:--1. Getting the session_id of a locked objectSELECT session_id from V$locked_object;--2. Getting V$session's SID and serial# through session_idSELECT SID,