Oracle

Objective:People who have done web development basically know that the primary key values in a database table are sometimes used as numeric types and are self-increasing. This makes it easy to use tools to create tables in MySQL and SQL Server.

Resolve CENTOS7/REDHAT7 Installation oracle11g to%70 error problemLinux/centos Install Oracle Error "call makefile '/oracle/product/11.2.0/dbhome_1/sysman/lib/ins_emagent.mk's target" workaroundIf the error

View information under Oracle Current user (user, table view, index, tablespace, synonym, stored procedure function, constraints)0. Table SpaceSql>select username,default_tablespace from User_users;View the role of the current userSql>select * from

Article turned from: 68490265Oracle Stitching Strings concat Small things to be aware ofIn the SSM framework when writing code, because the database replaced by Oracle, when the fuzzy query data suddenly found an errorSELECT * from Sys_menu where

Recently found that WIN10 remote connection some Windows Server mstsc can not connect, but some windows2012 but can access, can not access all reported the following this error:Follow the prompts of the Microsoft address, looked at the bottom is the

Srvctl Add ServiceThe parameters are as follows:-S: Service name-R: Preferred instance Name-A: alternate instance name-p:taf policy, with none,basic,preconnect three values selectable-D-pdbSrvctl Add service-help View the meaning of each parameterIf-

The 10046 event is an extension of sql_trace, dubbed "the sql_trace of doping."Effective tracking Level:① Level 0: Sql_trace=fasle② Class 1: sql_trace=true, which is the default level③ Level 4: Level 1 + bound variable④ Level 8: Level 4 + Wait Event⑤

Original:Https://blogs.oracle.com/aramamoo/entry/how_to_split_comma_separated_string_and_pass_to_in_clause_of_select_statement' Smith,allen,ward,jones ' is a collection of 4 values, and what needs to be handled in the stored procedure in order to

what is PL/SQLPL/SQL is a process-procedural language (LANGUAGE/SQL). PL/SQL is an extension of the Oracle database to the statement. In the use of ordinary SQL statements to add the characteristics of programming languages, so PL/C is to organize

Daily manual collection of statistical information, commonly used parameters are as follows. User name is ROIDBAexec dbms_stats.gather_schema_stats(‘ROIDBA‘,estimate_percent=>20,no_invalidate=>DBMS_STATS.AUTO_INVALIDATE,method_opt=>‘for all columns

SPOOL command Use instance "Oracle Export plain Text Format file"SET echo off-whether to display the SQL statement being executed in the script when executing an SQL script with the start command;SET feedback off-whether to echo the number of record

27282436 = 27107360 (PSU) + 26925532 (OJVM) 0. In order to avoid installing patches running data dictionary scripts and system background jobs conflict, view Autotask, if there is enabled, first disable, after the patch and then

I. Common database objectsSecond, sequenceSequence: A database object that can be used by multiple users to produce unique values Automatically provide a unique value Shared objects Primarily used to provide primary key values

This article describes how to synchronize data from MySQL to Oracle via ODI.1. Define the physical architecture1.1 Creating a new MySQL data serverTopology->physical Architecture->mysql, right-click to select New Data Server and enter the relevant

Recently, the company is engaged in System server integration, I am responsible for the MES database to migrate from the original server to the new server, asked the hardware group of colleagues to the IP, account, password, began to install the

The data is passed through the Dblink to another database, but when the stored procedure is executed, the error is promptedInsert into B@dblinkSelectcolumn from A;column contains a sequence or function, because the sequence or function is local, in

One: JDBC Connection database (Oracle Reference)public class DBTest {//testpublic static void Main (string[] args) {ResultSet rs = null;Statement stmt = null;Connection conn = null;try {Load DriverClass.forName

Before the article mainly introduced the Oracle migration to MySQL, mainly is the original table original structure migration, but in the actual operation dimension will find, after MySQL needs to divide the library and the table split operation,

How can I quickly recreate a parameter file and password file in $ ORACLE_HOME/dbs by mistake ?, Oracle_homedbs [Oracle @ 11g dbs] $ pwd /Home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs [Oracle @ 11g dbs] $ ll Total 24 -Rw ----. 1 oracle

Oracle Database-DML (data operation language), oracle-dml DML: data operation languageNote: In addition, deletion, modification, and query, the query is the most important, the core, and the most gold content.That is to say, this section! ImportantI.