Oracle

1. Select the table to be backed up -- Right-click --> export data ----> Oracle export ----> output file ----> Export 2. Execute exp In the CMD command window (import is imp) Create a tablespace and a user:Create tablespace hdshopLoggingDatafile

For the maintenance of an enterprise database,Backup over everything.   If your company does not have a full-time Database Manager or you want to evaluate the existing database backup methods, we can provide assistance. We provide the formulation

Recently, we have implemented a project to insert and query database tables with 10 million records. I thought it was easy to insert and query databases. I don't know if the data reaches the level of millions or even tens of millions, it seems quite

Solution Process: 1. Find the listener. ora listening file. Location: D: \ app \ Administrator \ product \ 11.2.0 \ dbhome_1 \ Network \ admin \ listener. ora 2. In the lisener. ora file, find (Sid_desc =(Sid_name = clrextproc)(ORACLE_HOME = D: \

Environment Overview: LoadRunner 9.0 sitescope 9.0 Windows 2003 Oracle Database 10g 1. Use the monitoring engine that comes with LR 1. 1. Install the Oracle client on the LR ControllerThis step does not need to be said. Install setup directly, and

Many oracle users may want to export all the tables of a user. This article provides this method to help you easily solve this problem. First, log on to the Oracle database with this user under sqlplus, And Then paste the following content into

Since oracle 7, many new technologies adopted by Oracle 7 are based on CBO, such as star join arrangement query, hash join query, and parallel query. CBO calculates the "cost" of various possible "execution plans", namely, cost. It selects the

1. ORA-01403: No data found Scenario: In one stored procedure, another stored procedure is called. One sentence is select a into B from table. When the queried A has no data, this exception will be thrown at this time: ORA-01403: No data

-- If ware_id has no data, it is 1Select nvl (A. ware_id, 1) from dtf_test; -- Partition to which the table is moved tablename table name new_name partition name --Alter table tablename moveTablespace new_nameStorage (initial 50 m next 50

  An exception occurs when the type of the "oracle. dataaccess. Client. oracleconnection" parameter is set. There was a BS project some time ago. The database installed on the server was oracle11, but the local machine was oracle10. If you want to

GSD global services daemon (GSD)   Dbca srvctl, a management tool for RACThe OEM interacts with each other to complete management tasks such as instance startup and shutdown.To ensure that these management tools run normally, you must start them

The service is becoming more and more important. A foreign Oracle expert provides technical services in USD. The service provider is a senior DBA professional with An OCP certificate, The service locations can be divided into remote and on-site, The

You can view the data file number and block number of the bad data block to perform a full table scan on the table, for example:Select count (*) from tablename;1. If no backup is available:1.1 Use exp/imp for restorationIn this case, data may be

Oracle9i introduces the merge command. You can execute the inserts and updates operations on a table in an SQL statement at the same time. the merge command selects rows from one or more data sources to update or inserting to one or more tables. in

Oracle ide has always been the main jdeveloperBut with the acquisition of sun, netbeansIt should be the official ide that Oracle has been pushing for a long time, because from the perspective of policy, netbeans should be a better choice:   Size:

Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 Today, a friend suddenly asked me how to get the uid in Oracle. There are many methods. The following SQL statement should

How to view OracleStorage space of tables and Indexes   In biI often see the data size of a month. The data size of a month includes two parts: LThe storage space of the table's data volume; LThe storage space of the corresponding index of this

In Oracle, varchar2 supports a maximum of 4 kb. Therefore, for processing long strings, we need to use clob fields. clob fields support a maximum of 4 GB.   There are several other types: BLOB: binary, if EXE, zipClob: single-byte code, such as a

Understanding Oracle connections and sessions Yesterday, the database write operation failed, causing business problems. I checked it and found that the database connection data is not enough. I checked it online and related information about Oracle

public class PageUtil{ // Methods public static DataView GetListForPage(int index, int pagesize, string tabname, string key, string condition, string sortindex, ref int count) { int rscount = 0; StringBuilder strSql = new