Oracle

1: Switch to Oracle user under root user input su-oracle2: Under Oracle user input: Sqlplus/nolog3: Enter Oracle under: Conn/as SYSDBA4: Stop Database Oracle:shutdown (startup with startup)5: Then enter: Quit quit6: Disable monitoring: Lsnrctl stop7:

Simple conditional Judgment StatementSql> Declare2 myage Number: = 10;3 begin4 If Myage 5 dbms_output.put_line (' I am a child ');6 End If;7 End;8/I am a childPL/SQL procedure successfully completed.Sql> 2Myage number: = 10;Sql> CH/10/14Myage number:

The move operation of the partitioned table is still a question that deserves to be delved into. If the partition table contains LOB fields, the difficulty is increased. sql> ALTER TABLE charge move tablespace large_data; ALTER TABLE charge move

1. Use the following SQL statement to query the session_id and username of the process that caused the lock table to be improperly operatedSELECT S.sid session_id, S.username, DECODE (lmode, 0, ' None ', 1, ' Null ', 2, ' Row-s (SS) ', 3, ' Row-x

1. Connect plsql Show SQL execution timeSql>set TIMING onSql>select * from T_user;Sql>select user_name from T_user;2, avoid using *, specific query to a column3, query some rows of data, do not query all the data, with where romnum4, rowID efficient

Colleague recently in busy data consistency than work, need to different text files in the comparison of data, some files larger, more records, if the ordinary text editor open, it is obvious that will be very card, even can not open.Based on this,

First, write a cmd script xx.cmdsqlldr username/password control=xx.ctl errors=10000000 direct=yWrite a bat script again Xx.bat servicename is generally ORCLsqlplus username/password@serviceNameTo load the SQLcall xx.cmdsqlplus

To create a job task:DeclareTest_job number;BeginDbms_job.submit (Test_job, ' prc_job_test; ', Sysdate, ' sysdate+1/(24*60) ');--Perform a refresh once per minuteEndTo view a user's job task:SELECT * from User_jobs;To perform a task, the parameter

Recently, I have made further analysis and research on rownum when I use Oracle's rownum to realize pagination display. Now summarized as follows, hope to bring you a harvest.For rownum It is the number of the Oracle system order assigned to the

Automated maintenance tasks are provided in the Oracle database to ensure that the Oracle database can run more efficiently. In different versions of Oracle, there is a difference between the types of automated tasks and how they are executed. This

#路径名, specify the path to the backup filepath=/home/oracle/bachup# the backup database file name filename= ' Date +%y%m%d ' #切换至指定路径 and create a folder CD $FILEPATH based on the specified date format # Export database using exp Here you can use

Oracle 11g Grid Installation1. Create Oracle users and user groupsGroupadd OinstallGroupadd dbaUSERADD-G oinstall-g dba-m OracleTo set the password for an Oracle User:passwd OracleI'm set up here for Oracle2. Create related catalogueMkdir-p/u01Chown-

CmdRun the cmd command lineInput sqlplus/nolog no user name loginConn/as SYSDBA Connect to data Local dataAlter user system identified by password; Modify the system password to passwordor open the Sqlplus software:Window User

When our computer and Oracle code is inconsistent, there may be a Chinese garbled problem, when we just change the CMD encoding to be consistent with Oracle(The SQL Plus interface displays garbled characters)(Change the CMD code to UTF8 after the

To create a table and add data:--Create Table_aCreate Tabletable_a (Avarchar2(Ten), Bvarchar2(Ten) );--add data to Table_aInsert intoTable_aValues('A1','B1'); Insert intoTable_aValues('A2','B2'); Insert intoTable_aValues('A3','B3'); --Create

Relationship between two objects:RELATESdo_geom. RELATE--Determine how two objects interactWithin_distanceVerify:Validate_geometry_with_contextValidate_layer_with_contextSingle-Object operation:Sdo_arc_densifySdo_geom. Sdo_arc_densify-simplifies,

MOS has a lot of articles, basically can not run the following three points:Setup can make a big difference1. Network Topology and load2. NFS mount Options (choose the appropriate mount option)3. TCP configuration (Configure the appropriate MTU,TCP

The JDBC connection data is a key point of javaweb development, and today we summarize and deepen our memory.The JDBC Connection database is divided into three steps:1: Load DriverNeed to download the respective drive jar package, you can go to the

Because of the trouble of installing the Oracle database today, because of the long-term lack of oracle, we started to consolidate the Oracle knowledge that we learned before.1. Oracle Database: Client/database server using oracle10gORACLE10G can

We will start with the creation of the Oracle User Rights table, and then learn general actions such as landing, so that you have a deep understanding of Oracle User Rights Assignment control.First, createSYS;//system administrator with the highest