a motion in one dimension

Ngày tải lên: 05/08/2014, 15:21

... dans cette table Australian Dollar $FXAU Brazilian Real $FXBR Canadian Dollar $FXCA Chinese Yuan $FXCN Denmark Krone $FXDK EMU Members Euro $FXEU Hong Kong Dollar $FXHK Indian Rupee $FXIN Japanese ... de l'antộrieur ộvaluer le bas de la barre avant une haute au-dessus de la haute de la barre antộrieure des prix 23 Merci M DeMark de partager cette information avec nous LACUNES Trouver jamais ... IDENTIFICATION D'EUX En regardant la semaine avant haute ou basse comme appui ou rộsistance, tu peut dộterminer de la prochain les niveaux principaux semaine, dont te donne une idộe oự regarder...

Ngày tải lên: 23/04/2014, 15:51

... Oracle Corporation in Austin, Texas, as on-site support at Dell, at Corporate Systems in Amarillo, Texas, and at U.S Steel in Pennsylvania and Minnesota OCA /OCP Oracle Database 11g All -in- One ... Visual Basic o 98 Other WHAT ORACLE PRODUCTS ARE IN USE AT YOUR SITE? (check all that apply) ORACLE DATABASE o 01 Oracle Database 11g o 02 Oracle Database 10 g o 03 Oracle9 i Database o 04 Oracle ... several roles, including developer, analyst, team leader, administrator, project manager, consultant, and lecturer He is OCP qualified in both database and developer roles He has taught at Oracle...

Ngày tải lên: 06/07/2014, 13:20

... This page intentionally left blank CONTENTS AT A GLANCE Part I Oracle Database 11g Administration Chapter Architectural Overview of Oracle Database 11g Chapter Installing and Creating a Database ... Chapter 12 SQL Joins Chapter 13 Subqueries and Set Operators 515 vii OCA/OCP Oracle Database 11g All -in- One Exam Guide viii Part III Advanced Database Administration Chapter 14 Configuring ... Software by Using the Oracle Universal Installer (OUI) Create a Database by Using the Database Configuration Assistant The Instance, the Database, and...

Ngày tải lên: 06/07/2014, 13:20

... Oracle Enterprise Manager Database Control is a graphical tool for managing one database, which may be a Real Application Clusters (RAC) clustered database RAC databases are covered in more advanced ... administrator has to fill this role OCA/OCP Oracle Database 11g All -in- One Exam Guide 10 A thin Java client is not aware of the database against which it is running: it works with a virtual database ... programs essential for creating and maintaining databases Once the Oracle 11g binaries are installed, they consume about 3GB of disk space, but this usage remains relatively stable The datafiles,...

Ngày tải lên: 06/07/2014, 13:20

... Dataguard Dataguard systems have one primary database against which transactions are executed, and one or more standby databases used for fault tolerance or for query processing The standbys are ... is a single-instance database Determine if the database is protected against data loss by a standby database: select protection_level from v$database; This will return UNPROTECTED if the database ... go to RAC In a RAC database, each instance has its own log buffer, and its own LGWR This is the only way to parallelize writing redo data to disk OCA/OCP Oracle Database 11g All -in- One Exam Guide...

Ngày tải lên: 06/07/2014, 13:20

... described in detail in Chapter In brief, SMON mounts a database by locating and validating the database controlfile It then opens a database by locating and validating all the datafiles and online log ... changed dramatically between release and release 8i of the Oracle database In release and earlier, checkpoints were necessary at regular intervals to make sure that in the event of an instance ... more datafiles rather than the whole database: when a datafile or tablespace is taken offline; when a tablespace is put into backup mode; when a tablespace is made read only These are less drastic...

Ngày tải lên: 06/07/2014, 13:20

... logical and physical structures, as well as their definitions, are maintained in the data dictionary There is a full treatment of database storage, logical and physical, in Chapter Chapter 1: Architectural ... Oracle Database 11g 45 • Alert log and trace files The alert log is a continuous stream of messages regarding certain critical operations affecting the instance and the database Not everything ... Put in terms of relational analysis, there is a many-to-many relationship between segments and datafiles: one table may be cut across many datafiles, one datafile may contain bits of many tables...

Ngày tải lên: 06/07/2014, 13:20

... administrators in managing the database and programmers in developing applications PL/SQL code is also stored in the data dictionary OCA/OCP Oracle Database 11g All -in- One Exam Guide 48 Identify the tablespace ... the database creation process It is maintained subsequently by data definition language commands When you issue the CREATE TABLE command, you are in fact inserting rows into data dictionary tables, ... datafiles is maintained in the database controlfile This lists all the datafiles, stating which tablespace they are a part of Without the controlfile, there is no way that an instance can locate...

Ngày tải lên: 06/07/2014, 13:20

... Creation and Upgrade Tools The Database Configuration Assistant (DBCA) is a graphical tool used for creating and modifying a database Creating a database is not a big deal using DBCA The wizard-driven ... instantiates the Oracle Home and then goes on to run DBCA As with database creation, database upgrade can be done manually or through a graphical tool The graphical tool is the Database Upgrade ... point they can enter any SQL*Plus or SQL command PART I Both DBCA and DBUA are written in Java and therefore require a graphics terminal to display OCA/OCP Oracle Database 11g All -in- One Exam...

Ngày tải lên: 06/07/2014, 13:20

... there are both graphical and command-line interfaces All of these are installed into the Oracle Home OCA/OCP Oracle Database 11g All -in- One Exam Guide 68 Data Pump and SQL*Loader are described in ... values as defaults On Linux, the one variable that must be set before the installer can run is DISPLAY Chapter 2: Installing and Creating a Database 73 Variables in Windows HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE ... Oracle Corporation supports all the mainstream platforms, including • Linux on Intel and AMD Chapter 2: Installing and Creating a Database 69 • Microsoft Windows on Intel and AMD • AIX on POWER...

Ngày tải lên: 06/07/2014, 13:20

... Having mounted the database, the instance can open the database by locating and opening these other files An open database is a database where the instance has opened all the available online ... Chapter 2: Installing and Creating a Database 77 10 The installer will return a message stating that “The installation of Oracle Database 11g was successful.” Congratulations! Click EXIT Create ... are The creation of a database server must therefore involve these steps: • Create the instance • Create the database • Create the data dictionary Chapter 2: Installing and Creating a Database...

Ngày tải lên: 06/07/2014, 13:20

... recreating databases that are very similar Finally, the Configure Automatic Storage Management option launches a wizard that will create an ASM instance An ASM instance does not open a database; ... command line • The DBCA can create a database from a saved template • The DBCA and SQL*Plus commands can delete a database • An instance must be created before the database can be created • Any ... creation? (Choose the best answer.) A All instance parameters can be changed after database creation B All instance parameters can be changed after database creation, if it is done while the instance...

Ngày tải lên: 06/07/2014, 13:20

... basic parameters Parameter Purpose cluster_database Is the database a RAC or a single instance? That this is basic indicates that RAC is considered a standard option compatible The version that ... that join the dimensions of a fact table undo_management Whether undo data should be automatically managed in an undo tablespace, or manually managed in rollback segments undo_tablespace If using ... necessary if two databases with the same db_name are on the same machine instance_number Used to distinguish two or more RAC instances opening the same database Another indication that RAC is...

Ngày tải lên: 06/07/2014, 13:20

... single-instance environment Starting and Connecting to Database Control Database Control is a tool for managing one database (though this database can be clustered) If there are several database ... being precise (always a good idea, if you want to pass the OCP examinations), one does not start or stop a database: an instance may be started and stopped; a database is mounted and opened, and ... authenticated against the data dictionary It is logically impossible for an ordinary user to start up an instance and open (or create) a database, since the data dictionary cannot be read until the database...

Ngày tải lên: 06/07/2014, 13:20

... you may cause irreparable damage to your database, and certainly Oracle Corporation will not support you Creating a data dictionary is part of the database creation process It is maintained subsequently ... database creation process, along with a large number of PL/SQL packages that are provided by Oracle to assist database administrators in managing the database and programmers in developing applications ... Mount the database and query the instance status The database has now been “MOUNTED” by the instance alter database mount; select status from v$instance; Open the database: alter database open;...

Ngày tải lên: 06/07/2014, 13:20

... (Choose two answers.) A ALTER DATABASE commands B ALTER SESSION commands C ALTER SYSTEM commands D Archiving an online redo logfile E Creating a tablespace F Creating a user 11 Which parameter controls ... (Choose all correct answers.) A DBA_DATA_FILES B DBA_TABLESPACES C V$DATABASE D V$DATAFILE E V$INSTANCE F V$SESSION 13 Which view will list all tables in the database? (Choose the best answer.) A ALL_TABLES ... and contacted on different ports for each database OCA/OCP Oracle Database 11g All -in- One Exam Guide 132 13 þ B The DBA views list every appropriate object in the database ý A, C, and D A is wrong...

Ngày tải lên: 06/07/2014, 13:20

... force a re-registration by executing the command OCA/OCP Oracle Database 11g All -in- One Exam Guide 144 naming, directory naming, and external naming It is probably true to say that the majority ... the instance’s name and the names of the service(s) that the instance is offering The instance name is defined by the instance_name parameter, and the service_names parameter will have defaulted ... will usually keep them the same Local naming supports all protocols and all the advanced features of Oracle Net, but maintaining tnsnames.ora files on all your client machines can be an extremely...

Ngày tải lên: 06/07/2014, 13:20

... transaction that affects rows in more than one database) is treated as an atomic transaction: the changes must succeed in all databases or be rolled back in all databases Read consistency is also ... database can execute SQL statements against another database This is done through a database link There are several options for creating database links (all to with security), but a simple example ... will have at least three homes: one for the Enterprise Manager Grid Control Agent, one for launching database instances, and one for launching Automatic Storage Management (ASM) instances (ASM is...

Ngày tải lên: 06/07/2014, 13:20

... program global area, or PGA The PGA is a block of memory associated with each server process, to maintain the state of the session and as a work area for operations such as sorting rows Clearly, ... PGAs cannot be in shared memory: they contain data unique to each session In many operating systems, as memory thresholds are reached, they make use of swap space or paging areas on disk, and ... commands through a shared server: the shared servers are part of the instance and thus not available at the time you issue a startup command So the administrator should always have a dedicated...

Ngày tải lên: 06/07/2014, 13:20