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Brother this set of Oracle Tutorial training to learn Oracle data pump EXPDP/IMPDP concept and command parameters and use method, configure the production environment of logical automatic backup strategy, EXPDP/IMPDP production environment data migration process and actual case, character set, version compatibility, how to stop EXPDP and IMPDP background processes, how to clean up the data pump job, how to do trace trace analysis of EXPDP/IMPDP and usage summary.Oracle Database logical Backup R

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,T.extent_management Extman, T.segment_space_management SegmanFrom Dba_tablespaces T,(select Tablespace_name, sum (bytes) allocated, COUNT (file_id) datafiles from Dba_data_files Group by Tablespace_name) d,(select Tablespace_name, sum (bytes) free from Dba_free_space Group by Tablespace_name) F,(select Tablespace_name, sum (bytes) used from Dba_segments Group by Tablespace_name) uwhere T.tablespace_name = D.tablespace_name (+)and T.tablespace_name = F.tablespace_name (+)and T.tablespace_name =

decisions. setting thestatistics_level parameter tobasic disables The collection of many of the important statistics required by Oracle Database features and Fu Nctionality, including: Automatic Workload Repository (AWR) snapshots Automatic Database Diagnostic Monitor (ADDM) All server-generated Alerts Automatic SGA Memory Management Automatic Optimizer Statistics Collection Object Level Statistics end to End Application tracing (v$client_stats ) Database Time Distributi

metHandler_module-the PL/SQL process that runs when the audit condition is metEnable--true/false, enabling and disablingStatement_types--types of statements audited: SELECT, INSERT, UPDATE, DELETEAudit_trailaudit_column_opts--Dbms_fga_any_columns/dbms_fga_all_columnsExample of creating an audit policy:Dbms_fga.add_policy (Object_schema = ' HR ',object_name = ' EMPLOYEES ',Policy_name = ' POL1 ',audit_condition = ' department_id=80 ',Audit_column = ' SALARY ');Audit View:Dba_audit_trailDba_fga_a

the online redo log file is full, ARCN archives the online redo log file to the archive log file. 6, the storage structure of the database.1) Physical database structure• Control File• Online redo log files (Redo log file)• Data File• Instance parameter files (Instance Parameter file)• Password files (Password file)• Archive redo log files (Archive Redo log file)• Alert log and trace file (alert log and Trance files)2) Logical database structure• Table Space (tablespace)• Segment (Segment)•

independently of any backup of the current control file explicitly request Ed as part of your backup command. If you enable control file Autobackups, then RMAN automatically backs up the control file and the current server parameter FileSql*loaderhttp://bbs.cqsztech.com/forum.php?mod=viewthreadtid=521In the following case, even if the parameter undo_retention specifies a value, it may be ignored?For Fixed-size undo tablespaces, the system automatically tunes for the best possible undo retention

Tags: Oracle 11g installation Diagram Oracle database tutorial Oracle installation Oracle Video tutorial Oracle Tutorial1. After completing this chapter, the Oracle Video tutorial will be able to master the following:650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/6C/F9/wKiom1VYlzGBc2q8AAGwuGI81FQ479.jpg "title=" 05- High.jpg "alt=" wkiom1vylzgbc2q8aagwugi81fq479.jpg "/> use Oracle Enterprise Manager to access the database using the Sql*plus tool command How to set the environmen

created and all the not null constraints defined on the specified Columns wocould be passed to the new table. C. The new_sales table wocould not get created because the column names in the CREATE TABLE Command and the select clause do not match. D. The new_sales table wocould get created and all the foreign key constraints defined on Specified columns wocould be passed to the new table. Answer: B Answer: A: The table cannot be created because the de

the dept_20 table in addition to the REFERENCES constraint. Before you define and enable this constraint, you must define and enable a constraint that designates the department_id column of the orders table as a primary or unique key. The foreign key constraint definition does not use the foreign key clause, because the constraint is defined inline. the data type of the department_id column is not needed, because Oracle automatically assigns to this column the data type of the referenced key. T

;CreateSpfileFromMemory; To sum up, this process can be said that the system starts the database instance through pfile or spfile. 2. From shutdown to nomount, we use spfile or pfile. There is such a sentence in pfile. We can use this sentence to locate the control file. *. Control_files = 'f: \ Oradata \ TEST \ control01.ctl ', 'f: \ Oracle \ flash_recovery_area \ TEST \ control02.ctl' In this way, the Database is changed to the mount state. Let's talk about what happened in this process? To

Analysis: This question is about whether the field title is enclosed by double quotation marks. The rules for using double quotation marks are as follows: 1. If the field name is composed of multiple words with spaces in the middle, such as New Credit Limit, double quotation marks must be added; otherwise, an error is reported.2. If the title NAME is A word or multiple consecutive words without double quotation marks, the output format is in uppercase. For example, if option A is used, the NAME

apparently been lost. B. The format of the asm_diskgroups parameter is incorrect. It should reference the disk group numbers, Not the names of the disk groups C. The Asm_power_limit parameter is incorrectly set to 1. It should is set to the number of disk groups Being attached to the ASM instance. D. The asm_diskstring parameter is not set; Therefore disk discovery is not possible. E. There is insufficient information to solve this problem. Answer:d

Evaluate the following command: CREATE TABLE employees (employee_id number (2) PR Imary key, last_name VARCHAR2 (+) not null, department_id Number (2) not null, job_id VARCHAR2 (8), salary number (10,2)); You issue the following command to create a view that displays the IDs and last names of the sales staff in the Organizati On:create OR REPLACE VIEW sales_staff_vu as SELECT employee_id, last_name,job_id from Employees WHERE J ob_id like ' sa_% ' w

154.which statement is true about a scheduler-generated event? B.it indicates state changes that occur within the scheduler itself 158.which Two statements are true about an image copy backup? A.It May is taken to disk C.it would contain all used and unused blocks 160.the environmental variable oracle_base is set and Diagnostic_dest are not set. Your want to check the diagnostic files C Reated as part of the automatic dignostic reposity. What'll be the location of the ADR base A.It is set toi or

Explore Python Tornado framework support for subdomain names and wildcard domain names, pythontornado In fact, Tornado's support for subdomain names and wildcard Domain Names (except in particular, the following subdomain names and wildcard domain

1. Get all user names: SELECT name from Sysusers where status= ' 2 ' and islogin= ' 1 'islogin= ' 1 ' means accountIslogin= ' 0 ' indicates a roleStatus= ' 2 ' represents a user accountStatus= ' 0 ' indicates a system account2. Get all database names:SELECT Name from Master. sysdatabases ORDER by Name3. Get all table namesSELECT Name from DatabaseName. SysObjects Where xtype= ' U ' ORDER by NameXtype= ' U ': represents all user tables;Xtype= ' S ': de

Original: http://www.cnblogs.com/xdp-gacl/p/4264425.htmlIn peacetime development, the property names of the field names and tables in our table are not necessarily identical, and the following shows how to resolve conflicts where field names differ from entity class property names.First, prepare to demonstrate the tables and data that need to be usedCREATE TABLEO

Query all table names: Select T.table_name from User_tables t; Query all field names: Select T.column_name from user_col_comments t; Query all field names for the specified table: Select T.column_name from user_col_comments t where T.table_name = ' biz_dict_xb '; Query all field names and field descriptions for t

This article mainly introduces the support of the Python Tornado framework for subdomain names and wildcard domain names. Tornado, as a typical asynchronous framework, is very popular among Python developers, for more information, see Tornado's support for subdomain names and wildcard Domain Names (except in particular