Oracle

meta-data of a space table Take all objects of the table's Sdo_geometry column as a layer of space. Spatial needs to validate, create indexes, and query all space objects. You need to specify the appropriate metadata for the layer, which contains

ORA-01171: Data file will be taken offline due to advanced checkpoint error ORA-01172: Thread recovery stopped in block (in file) ORA-01173: Data dictionary indicates a data file that is missing from the system table space Ora-01174:db_files is, but

Often meet a friend asked Oracle learning difficult, how to become a master and so on, I would like to combine my personal experience simple to say a few: 1, lay a good foundation, from the Learn Oracle not to rush, hope to become a warrior one

An IF.. THEN IF condition THEN Statements 1; Statements 2; .... End IF; Two IF.. THEN ... ELSE IF condition THEN Statements 1; Statements 2; .... ELSE Statements 1; Statements 2; .... End IF; Three IF.. THEN.. elsif IF Condition1

Build table: CREATE TABLE User_info (ID INTEGER NOT NULL,UserName VARCHAR () NOT NULL,PassWord VARCHAR is not NULL,CreateDate Date NOT NULL,The Status INTEGER is not NULL,Constraint Pk_user_info primary KEY (ID)); CREATE TABLE User_info_temp (ID

4 Installation Pre-Oracle Preparation 4.1 Basic Configuration 4.1.1 Shutdown Firewall [root@oracle ~]# service iptables stop Iptables:setting chains to Policy Accept:filter [OK] iptables:flushing firewall rules: [OK] iptables:unloading modules:

CREATE OR REPLACE PROCEDURE p_rebuild_all_index (tablespace_name in VARCHAR2,-this is the table space name, and you can pass in NULL if you do not change the table spaceOnly_unusable in BOOLEAN)--is only an invalid index operationAsSQLT VARCHAR (200)

1, Ora-12541:tns: No listener Cause: The listener is not started or the listener is corrupted. If the former, use the command net start Oracleorahome10gtnslistener (the name may differ), and if it is the latter, use the "Net Configuration Assistant"

A friend is doing map-related programs, the requirements of the program is: There are a lot of points on the map, stored in the database, input is a polygon, output is contained in this polygon point. A friend discovers that there is a function in

1, download the Oracle 11g R2 version of Windows, the official download address is as follows:

A histogram is a method of classifying storage by the frequency at which data appears. In Oracle, histograms are used to describe the distribution of column data in a table. Each SQL is optimized before it is executed then the optimizer of an

Have always wanted to summarize the knowledge of Oracle memory tuning, recently optimized a database memory parameters, look for some information and Google a lot. Now write it down and do the backup. First, overview: Oracle memory can be divided

Method One:First, create a computational function>>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>>>>>>>>>>> >>>>> Create or Replace function count_rows (table_name in VARCHAR2, Owner in varchar2 default null) return number Authid

DECLARE X number; BEGIN SYS. Dbms_job. SUBMIT (Job => X , what => ' syn_rpt_members_relation; ' , Next_date => to_date (' 02-07-2008 01:00:00 ', ' dd/mm/yyyy hh24:mi:ss ') , Interval => ' trunc (sysdate) +1+1/24 ' , No_parse => FALSE ); SYS.

How to remove duplicate data from an Oracle database. When you use a datasheet, you often get duplicate data, so how do you delete it? The following green Tea Small series for you to share the resolution of Oracle database data duplication problem.

(1) Loading and registering the JDBC driver for the database Load JDBC Driver: Class.forName ("Oracle.jdbc.driver.OracleDriver"); Register JDBC Driver: Java.sql.DriverManager.registerDriver (New Oracle.jdbc.driver.OracleDriver ()); (2)

Error message: ora-28001:the Password has expired solution oracle11g The default password expiration limit is 180 days (or 6 months) when the user is created, and the user cannot log in if the user's password has not been modified for more than 180

Oracle databases have two types of backup methods. The first class is a physical backup, this method realizes the complete recovery of the database, but the database must run in the return mode (the business database runs in the non-return mode),

Ubuntu graphics driver installed under Win7 via Oracle VirtualBox Ubuntu is running in low-graphics mode, the video card problem, also found the solution:It may take a little time to enter the following command on the console:sudo apt-get

Both date and timestamp are available for addition and subtraction operations.You can manipulate different time types for the current date Gagnin, month, day, hour, minute, and second, with three ways: 1 using built-in functions numtodsinterval add