Oracle

In the GeoServer installation package, the default is not to publish data in the Oracle database, can only publish PostGIS, SHP and other data, details such as:If you want to publish Oracle data and install the appropriate version of the plugin for

CREATE OR REPLACE Package Pkg_testAsTYPE Myrctype is REF CURSOR;PROCEDURE Get (p_id number, p_rc out myrctype);END pkg_test;-------------------------------------------------------------------CREATE OR REPLACE Package BODY pkg_testAsPROCEDURE Get

First of all, the problems encountered,I copied it from somewhere else and I used the error directly because the column contained null data.Later I found that they can only convert Chinese, numbers and letters do not give me back, this is very

3 Default UsersSYS change_on install [as SYSDBA]System ManagerScott TigerCreate userCreate user username identified by password defaul tablespace tablespace (users) Temporary tablespace table space (Temp) quota Integer on table space (users);--quot

1. Physical ReadingWhen the block is first read, it is cached in the buffer cache and the second time the data block is read and modified in memory buffer cacheEmptying the data bufferSql> alter session SET events ' immediate trace name Flush_cache '

Spanning tree coding requirements with Oracle stored procedures Field Describe Note Id Primary key, 32-bit UUID Type_code Coding such as: 1-01-003 parent_id

Recently found that individual 11G databases do not automatically collect statistics, and some view query results are as follows:Sql> Select Client_name,status from dba_autotask_client where client_name = ' Auto Optimizer stats collection

Login without password: SYS as SYSDBAView all current databases: select */name from V$database;View current database connection User: Show userView all tables for current data: Select table_name from All_tables;View structure: Table structure: DESC

Oracle startup error Ora-00845:memory_target not supported on the This systemPossible reasons: The Oracle Memory_target parameter setting exceeds the memory of the Oracle server itself, or exceeds the current server's free memory (that is, the

I.. JBOSS7 directory Structure     In JBoss 7, the file system is divided into two parts:1. Standalone Server2. Domain Server (This is the first introduction of JBoss 7)-for unified management of multiple instancesBIN: Contains a startup script to

field type modification for existing data in Oracle //Build TableCREATE TABLE T_person (ID varchar2 (primary) key, name VARCHAR2 ($), address VARCHAR2 (200)); Inserting dataInsert into T_person (id,name,address) VALUES (Sys_guid (), ' Zhangsan ', '

-------------------------CREATE table spaces with usersCreate a temporary table space create temporary tablespace test_temp 650) this.width=650 ; "src=" Http://www.blogjava.net/Images/OutliningIndicators/None.gif "/> Tempfile

Relation and DataSetrelation in DataSetRelation in DataSet DataSet is an important data access model in ADO. Net. A major advantage is that the relationship between multiple tables can be recorded. It is a bit similar to the foreign key of the

45 useful Oracle query statementsObtain the first day of the current month. Run this command to quickly return the first day of the current month. You can replace "SYSDATE" with any date value to specify the date to be queried. Select trunc (SYSDATE,

Insert the JDBCInsert statement into the Oracle database and return the primary key of the data. Table Structure:   create table test( id varchar2(32) primary key, name varchar2(32)); Import java. SQL. connection; import java. SQL.

[Translated from mos] differences between basic table compression and advanced compression in oracle databasesDifferences between basic table compression and advanced compression,Extracted from the mos Article Difference Between Basic Table

If the Java language in the backend JSP file operates the JGeometry object provided by OracleSpatial Write down a flow account and record how to solve this problem that has plagued you for a long time. At that time, I thought I had tried all of the

Oracle lock table troubleshooting example One time a developer directly runs the delete table operating system on the database server during peak hours, resulting in no response for a long period of execution. Then, the SQLPLUS client is closed and

Oracle analysis function PERCENTILE_CONT Query the salaries of people with the salary distribution of 25%, 50%, and 75% in each department. percent_rank () is the relative position in the ranking. Create table EMP (empno number (4) not null, ENAME

Be careful when using with in Oracle -- predicate cannot be promoted Today, we can see that a SQL statement uses with in large quantities. For logic clarity, developers cache some result sets first with, and there are many places to use this result