oracle database 11g architecture and background processes

... Group (www.ORACLERACSIG.org) Contents at a Glance PART I Critical Database Concepts Oracle Database 11g Architecture Options Installing Oracle Database 11g and Creating ... Database 11g and Creating a Database 11 Upgrading to Oracle Database 11g 21 Planning Oracle Applications—Approaches, Risks, and Standards 31 PART II SQL and SQL*Plus The Basic ... enterprise database architect in the financial industry, he was named Consultant of the Year by Oracle Magazine in 2002 His best-selling books include Oracle Database 11g DBA Handbook, Oracle Advanced

Ngày tải lên: 28/10/2013, 00:15

... Oracle 11g represents unknown or missing data) Two vertical bars (||) are used as the concatenation operator Here are two examples: ‘Oracle11g’ || ‘Database’ results in ‘Oracle11gDatabase’ ‘Oracle11g ... ‘Oracle11g ‘ || ‘Database’ results in ‘Oracle11g Database’ Operator Precedence If multiple operators are used in the same expression, Oracle evaluates them in the order of precedence set in the database ... Security B Oracle Connection Manager C Heterogeneous Services D Oracle Net E None of the above Choose two utilities that can be used to apply CPU patches on an Oracle 11g database A Oracle Universal

Ngày tải lên: 07/11/2013, 11:15

... -C:\ORACLE\ORADATA\W11GR1\USERS01.DBF C:\ORACLE\ORADATA\W11GR1\UNDOTBS01.DBF C:\ORACLE\ORADATA\W11GR1\SYSAUX01.DBF C:\ORACLE\ORADATA\W11GR1\SYSTEM01.DBF C:\ORACLE\ORADATA\W11GR1\EXAMPLE01.DBF ... Michael 20 Pat 20 AND The AND operator evaluates to TRUE if both operands are TRUE It evaluates to FALSE if either operand is FALSE Otherwise, it returns NULL SELECT FROM WHERE AND first_name, ... string and notify Oracle using the ESCAPE clause The following query searches for all employees whose first name begins with Su and last name does not begin with S: SELECT FROM WHERE AND first_name,

Ngày tải lên: 07/11/2013, 11:15

... relational database language and a range of Oracle development tools Where a package, program, or function is supported only for a particular version of the Oracle database (e.g., Oracle Database 11g), ... registered trademarks of Oracle Corporation, Inc in the United States and other countries O’Reilly Media, Inc is independent of Oracle Corporation Java and all Java-based trademarks and logos are trademarks ... appear in this book, and O’Reilly Media, Inc was aware of a trademark claim, the designations have been printed in caps or initial caps Oracle® and all Oracle-based trademarks and logos are trademarks

Ngày tải lên: 13/12/2013, 03:15

... datatypes in Oracle 11g are CHAR, VARCHAR2, NCHAR, NVARCHAR2, and CLOB Numeric datatypes in Oracle 102  Chapter 2    Using Single-Row Functions n 11g are NUMBER, BINARY_DOUBLE, and BINARY_FLOAT ... examples of BITAND . The first one performs a bitwise AND operation on 6 (binary 0110) and 3 (binary 0011). The result is 2 (binary 0010). Similarly, the bitwise AND between 8 (binary 1000) and 2 (binary ... identify datatypes used to define dates and times. The datetime datatypes in Oracle 11g are DATE, TIMESTAMP, and INTERVAL. Most have one or more date arguments, and most return a datetime value. Date

Ngày tải lên: 14/12/2013, 15:15

... functions avail- able in Oracle 11g to handle NULL s. Then it discussed the single-row functions available in Oracle 11g by grouping them into character, numeric, date, and conversion functions. ... running the Oracle Parallel Server and have multiple instances. LANGUAGE ÛN returns the language, territory, and database character set. The delimiters are an underscore ( _ ) between language and territory ... character-manipulation functions. Understand the arguments and the result of using character-manipulation functions such as INSTR , SUBSTR , REPLACE , and TRANSLATE . Understand the numeric functions. Know

Ngày tải lên: 14/12/2013, 15:15

... tablespace and the total space used by each schema. The total space used in the database (including all tablespaces) is also shown in the very first line. Three functions come in handy with the ROLLUP and ... GROUPING , GROUP_ID , and GROUPING_ID . In the examples you have seen using the ROLLUP and CUBE modifiers, there was no way of telling which row is a subtotal and which row is a grand total. You can ... Oracle takes these steps: 1 Oracle joins two of the tables based on the join conditions, comparing their columns 2 Oracle joins the result to another table, based on join conditions 3 Oracle

Ngày tải lên: 14/12/2013, 15:15

... data, and delete existing data from a table Because Oracle is a multiuser database and more than one user or session can change data at the same time, I will also need to cover locks and how ... 239 Know how to write subqueries. Understand the use and flexibility of subqueries. Practice using scalar subqueries and correlated subqueries. Understand the use of the ORDER BY clause in the ... an Oracle Database, this means using SQL data... clause to delete rows when certain conditions are met At the time of publishing this book, however, MERGE is not part of the Oracle Database

Ngày tải lên: 14/12/2013, 15:15

... and time Oracle9 i Database introduced the TIMESTAMP and INTERVAL datatypes to enhance the storage and manipulation of date and time data Six datetime datatypes in Oracle 11g can... mandatory ... “Introducing Oracle 11g Components and Architecture.” Database links A database link is a schema object that enables you to access an object from a different database. SQL queries can reference tables and ... also be defined on the database to “fire” when certain database conditions occur, such as starting the database, or when a database error occurs. Java objects Oracle Database 11g includes Java objects

Ngày tải lên: 14/12/2013, 15:15

... maintain, and use sequences NN Create and maintain indexes NN Create private and public synonyms An Oracle database can contain far more objects than simply tables... can be in an Oracle ... between INTERVAL and DATE datatypes. Know how to modify column characteristics. Understand how to change datatypes, add and modify constraints, and make other modifications. Understand the rules ... rows and columns Oracle 11g allows you to create constraints on the views and restrict the operations on views In this chapter, I will discuss the uses of views, how they are created and...

Ngày tải lên: 14/12/2013, 15:15

... ora_reco_11GR11 ora_mmon_11GR11 ora_mmnl_11GR11 ora_d000_11GR11 Oracle 11g Architecture  oracle oracle oracle oracle oracle oracle oracle oracle oracle oracle oracle oracle $ ... ora_j000_11GR11 ora_pmon_11GR11 ora_vktm_11GR11 ora_diag_11GR11 ora_dbrm_11GR11 ora_psp0_11GR11 ora_dia0_11GR11 ora_mman_11GR11 ora_dbw0_11GR11 ora_lgwr_11GR11 ora_ckpt_11GR11 ora_smon_11GR11 ora_reco_11GR11 ... ora_s000_11GR11 ora_arc0_11GR11 ora_arc1_11GR11 ora_arc2_11GR11 ora_arc3_11GR11 ora_smco_11GR11 ora_fbda_11GR11 ora_qmnc_11GR11 ora_q000_11GR11 ora_q001_11GR11 ora_cjq0_11GR11 ora_w000_11GR11 This

Ngày tải lên: 14/12/2013, 15:15

... Introducing Oracle Database 11g Components and Architecture Summary This chapter introduced you to the Oracle 11g database architecture and installing the Oracle 11g software. First I covered the Oracle ... the Oracle 11g database. The Oracle 11g database architecture consists of three major components: memory, processes, and storage. A user process initiates a connection with the Oracle database and ... disk and storage management and relies on Oracle to maintain your database. .. use the Oracle Database Configuration Assistant tool, which creates and removes Oracle Databases, and how

Ngày tải lên: 14/12/2013, 15:15

... Creating an Oracle 11g Database n Exercise 9.2 Creating an Oracle 11g database. .. location where the Oracle 11g software is installed export ORACLE_ SID=OCA11G2 export ORACLE_ BASE=/u01/app ... /u01/app /oracle/ diag/rdbms/oca11g/OCA11G Diag Trace /u01/app /oracle/ diag/rdbms/oca11g/OCA11G/trace Diag Alert /u01/app /oracle/ diag/rdbms/oca11g/OCA11G/alert Diag Incident /u01/app /oracle/ ... diag/rdbms/oca11g/OCA11G/incident Diag Cdump /u01/app /oracle/ diag/rdbms/oca11g/OCA11G/cdump Health Monitor /u01/app /oracle/ diag/rdbms/oca11g/OCA11G/hm Default Trace File /u01/app /oracle/ diag/rdbms/oca11g/OCA11G/trace/OCA

Ngày tải lên: 14/12/2013, 15:15

... commands 3 Start up and mount the database (STARTUP MOUNT) 4 Rename the files in the database by using the ALTER DATABASE RENAME FILE command 5 Open the database by using ALTER DATABASE ... /u01/app /oracle/ oradata/11GR11/sysaux01 883818496 YES dbf SYSTEM /u01/app /oracle/ oradata/11GR11/system01 734003200 YES dbf EXAMPLE /u01/app /oracle/ oradata/11GR11/example01... /u01/app /oracle/ ... files in the database: SELECT... of database objects owned by a specific database user In an Oracle 11g database, the schema has the same name as the database user, so the two terms are

Ngày tải lên: 14/12/2013, 15:15

... and databases used in your environment. Then, concentrating on the databases, try to get a feeling for how big and busy they are. Consider the number of users, the volatility of the data, and ... ISBN. The BOOKS table and a new PUBLISHERS table will then look like this: BOOKS ISBN Title Publisher 12345 Oracle 11g OCP SQL Fundamentals 1 Exam Guide McGraw-Hill 67890 Oracle 11g New Features ... predominant. The Oracle E-Business Suite is a comprehensive suite of applications based around an accounting engine and Oracle Collaboration Suite is a set of office automation tools. The Oracle E-Business...

Ngày tải lên: 17/10/2013, 11:15

... corruption. V $DATABASE_ BLOCK_CORRUPTION is a view of current block corruption. Once you have corrected the database block corruption, rerun the backup validate database command, and then query V $DATABASE_ BLOCK_CORRUPTION ... 367 backups, and thus your database, are recoverable. First, we will look at the verify and check logical options of the restore command. Then, we will look at the validate backupset command. The ... clone database. The following is an example of using the restore clone controlfile command to restore the control file, and then an example of mounting the clone database. Note that these commands...

Ngày tải lên: 17/10/2013, 22:15

... ISBN. The BOOKS table and a new PUBLISHERS table will then look like this: BOOKS ISBN TITLE PUBLISHER 12345 Oracle 11g OCP SQL Fundamentals 1 Exam Guide McGraw-Hill 67890 Oracle 11g New Features ... cases, data stored in a relational database and accessed with SQL should be normalized to the third normal form. 18 Chapter 1: Oracle Server Technologies and the Relational Paradigm One characteristic ... relational paradigm. Note that the Oracle database deviates from this standard: it is possible to define tables without a primary key—though it is usually not a good idea, and some other RDBMSs do not...

Ngày tải lên: 19/10/2013, 19:15

... Administrators connect to Database Control from a browser, and Database Control then connects to the database server. Database Control has facilities for real-time management and monitoring, running ... that makes up the Oracle server technologies: ■ The Oracle Database ■ The Oracle Application Server ■ The Oracle Enterprise Manager ■ Various application development tools and languages These ... on demand. The Oracle Server Architecture An Oracle database is a set of files on disk. It exists until these files are deliberately deleted. There are no practical limits to the size and number...

Ngày tải lên: 19/10/2013, 19:15

... the database: alter database open; Flashback Database: Tuning and Tweaking So, you’ve determined that Flashback Database provides you with a fallback position you desire for your database, and ... catalog command enables you to record datafile backups, archive log backups, and control file backups in RMAN, and these backups can later be used to restore and recover the database. Oracle Database ... nokeep; In versions of Oracle before Oracle Database 11g, the change command will change the retention criteria as stated previously. These are not considered archival backups, though, and as a result,...

Ngày tải lên: 20/10/2013, 15:15

... mode, connect to the target database with RMAN, issue the drop database command, and watch your database quietly go away. You can add the including backups parameter, and all RMAN-related backups ... understand all of its managed targets as unique snowflakes. If you clone a database, and you leave the metadata the same for both databases, and then try to use Grid Control to manage both databases, ... in Oracle Database 11g, but is still handy to find the file paths for various files in the ADR). In Oracle Database versions previous to Oracle Database 11g, you will find the resulting trace...

Ngày tải lên: 20/10/2013, 15:15