Oracle

Reprint Please specify source: http://blog.csdn.net/guoyjoe/article/details/41548669First, set1. Set BrokerSet each to true on the master repositorySql> alter system set dg_broker_start=true;2. Operate on the main library[Email protected] admin]$

oracle11g The default password expiration limit when creating a user is 180 days (that is, 6 months) and the user cannot log on if the user password has not been modified for more than 180 days. Oracle Corporation has introduced this default feature

Streamlined beauty ...First, the environmentDevelopment environmentWin7 64bitVs2010Oracle 11g R2 64bitDeployment environmentWinserver R2 64bitOracle 11g R2 64bitiis7.5II. Deployment Issues and solutionsRight-click on the VS Project and choose

1.update dataUPDATESET= (selectfromwhere t.xh= b.vlbi_ XH)wherelike'14%';2. Judging men and women according to their ID numbers Decode (mod (To_number (substr ( ID number ', 17, 1) ", Span style= "color: #800000; Font-weight:bold; " >2), 0, 2 "" 1

The former encounter a case: a colleague said before a very normal package, suddenly more slow than before, the execution time is very long, the night of the job call this package ran for several hours did not run out of data. So I was in the

--oracle Full-text indexing with Case study tuningFull-Text Search (Oracle text)Oracle text enables oracle9i to have powerful text retrieval capabilities and intelligent text management capabilities, Oracle text is a new name used by Oracle9i, known

Today around 10 o'clock in the morning, boss told us that the production environment a customer in a function of the input information, the loading data is very slow situation, because the serious impact on customer use, let us hurriedly verify the

This article was reproduced from: http://www.cnblogs.com/gaolonglong/archive/2011/05/31/2064790.html1. static sqlsql and dynamic SQLThe Oracle compiled PL/SQL program block is divided into two types: one for the pre-assembly (early binding), that is,

The decode () function is one of the most powerful functions of Oracle PL/SQL and is currently available only to Oracle Corporation, where SQL implementations of other database vendors do not yet have this function. Tools/Materials •

Install the Oracle database under a 64-bit operating system and download a new 64-bit database (if the 32-bit database is installed on a 64-bit operating system, either the client or the server side, do not select the C:\Program Files (x86) path,

Database on the hierarchy of the processing model has a lot of, can according to their own needs to design models, of course, the simplest is the most easily designed model is called adjacency model. In this regard, other databases such as Oracle

National Day bought a new computer ThinkPad E431,i5 dual core cpu,8g memory, hard disk comparison pit dad 5400 turn 500G, focus on the pre-installed WIN8 64-bit Simplified Chinese version. University bought the first computer Shenzhou notebook,

Temporary tablespace files, log files, and password files are non-critical files because they are missing and do not affect the integrity of the entire database.However, when these files are lost we need to retrieve these files quickly. Next I will

The first is the simplest link database process, the JDBC standard linking process: 1. Load the JDBC driver and generally load the driver with the use of class. Forname () Reflection to load the drive Oracle:Class.forName

Prior to the Oracle 12c version, the VARCHAR2 and NVARCHAR2 data types had a maximum length of 4000, with the extended maximum of 12c versions supported to 32767, or 32KB, and parameter Max_string_ The size is the maximum length of the extended data

1, first to build the corresponding table in the Oracle database, the field type in Oracle database differs from SQL Server, the field types commonly used in Oracle are VARCHAR2, Integer, nchar, date,sql Server are relatively more , the length of

An overview:1. A pipe function is a function that returns a rowset (capable of making a nested table nested table or array varray), and we can query it like a physical table orassigns a value to the collection variable. 2, the pipeline function for

Course Description:Oracle Virtual Private Database (VPD) allows you to create security policies at the row and column levelsThe essence of this is the addition of a dynamic WHERE clause to the SQL statements executed on the database tables, views,

Case statementCase SelectorWhen value1 and then action1;When value2 and then Action2;When Value3 and then Action3;.....ELSE Actionn;END case;Case expressionDECLARETemp VARCHAR2 (10);V_num number;BEGINV_num: = &i;Temp: = Case V_numWhen 0 Then ' Zero '

Oracle Database Concepts: introduces the Schema Objects (Introduction to Schema Objects) and conceptsschema Database schema is a logical container of data structures. It is called schema objects) Each database user has the same mode as the user name.