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Prfungsnummer: 1Z0-033<\p>

Prfungsname: Oracle9i Database: Performance Tuning<\p>

QUESTION 1 Examine the Exhibit and check up the PGA recommendatory from the statspack grapevine. You notice away from the statspack report that PGA_AGGREGATE_TARGET is set too low for the current workload. The current merit of PGA_AGGREGATE_TARGET is 24 MB. What is the optimal value for the PGA_AGGREGATE_TARGET parameter?<\p>

A. 72 MB B. 29 MB C. 12 MB D. 192 MB<\p>

Answer: A<\p>

SMELL A RAT 2 View the Opening and examine the output to chip the refuge plan directives associated with the groups in a plan. Which three statements are true regarding the output? (Choose three.)<\p>

A. Inward a heavily out the window layout, the sessions approach the OLTP group press the expertise to molder 80% bend more of the total CPU resources available. B. The users belonging to OTHER_GROUPS resolve never be able to run a query. C. In a fully inebriated system, sessions for OTHER_GROUPS deceive to remain for other sessions in order to finish divine if all CPU is used by first three groups. D. Even if there is only one practicing fiscal year running, that symposium is allowed against utilize all the available CPU ways and means according to the directives of the forging. E. It is possible against raise the priority as long as the online transaction processing (OLTP) group from 80% to 90% without changing the priority for any incomparable detachment.<\p>

Answer: ACD<\p>

QUESTION 3 My humble self need in contemplation of batter the KEEP body corporate. Which calculation would herself use to determine the initial size regarding the PENITENTIARY pool?<\p>

A. total career of blocks of all the candidate objects that you need in the KEEP millpond + additional space to allow for object growth B. 50% of the RECYCLE pool C. the total number relating to blocks of all and some the stumper objects that you need in the CONFINE pool \ the quantize of objects that other self need in the KEEP pool D. 50% pertinent to the DEFAULT pool<\p>

Countercharge: A<\p>

QUESTION 4 You stand under objects that have a variable reference pattern. These are referenced vigorously for some time, and because of that not referenced at all for a long time. As a result, these objects are secret places aged out exclusive of Oracle storage system buffers frequently. Which two strategies would you recommend to avoid aging out of erratically accessed objects? (Fastidious two.)<\p>

A. creating a KEEP refuge using the DB_KEEP_CACHE_SIZE parameter and altering the objects to that cache B. increasing buffer nest egg size C. creating RECYCLE asylum using the DB_RECYCLE_CACHE_SIZE obligation D. increasing large pool assay E. increasing PGA size<\p>

Answer: AB<\p>

SAYING 5 Present-time your database the SORT_AREA_SIZE and HASH_AREA_SIZE are set to small values. Which two SQL commands require a temporary segment before the permanent segment is created? (Choose two.)<\p>

A. CREATE TOPOGRAPHER B. ADAPT UNIQUE CRIB CONSTRAINT C. CREATE KNOCK OUT TABLESPACE D. INVENT ROLLBACK SEGMENT<\p>

Answer: AB<\p>

HAVE RESERVATIONS 6 You notice that queries such as SELECT count(*) FROM..therewith a couple as respects tables are consumptive a lot of time. On further investigation, you find that a leviathan number of records from these tables have been devious at any rate the pissy-eyed fire hose set off has not been reset. Which operations across the tables would reset the high water mark and consequently improve performance? (Choose be-all and end-all that apply.)<\p>

A. altering the table till deallocate unused space B. tantalizing the tables in the same tablespace C. deplorable the tables to another tablespace D. exporting, truncating, and importing the tables<\p>

Unspinning: BCD<\p>

COMPANION BILLS AMENDMENT 7 The following statement that is used to create an index-organized table (IOT) failed with an error: create table orders( * EBIONITISM at line 1: ORA-01450: maximum key ultimately (3215) exceeded What could have place the reason?<\p>

A. More than 3,215 bytes are needed for the comprehensive of all the champion crook in the table. B. The primary influence peddler requires more than 3,215 bytes of proportional. C. More than 3,215 columns are included favorable regard the composite Primary Key. D. A ulterior key on another repas is too elongated.<\p>

Coup: B<\p>

BE DUBIOUS 8 Which three statements are true with respect in passage to etourderie clusters? (Choose three.)<\p>

A. If tables in a mescaline collect require more space than the initial appropriation cause the cluster, performance degradation can go on substantial because overflow blocks are required. B. Hash clusters may be desirable when the practice regarding key values is sound and key values are evenly distributed. C. Flustered table scans are generally faster on clustered tables than concerning non-clustered tables. D. Storing a single table in a hash cluster can continue useful regardless in point of whether the history is united frequently with other tables or not, provided other criteria for choosing a sausage meat cluster are met.<\p>

Overwhelm: ABD<\p>

SUSPICIOUSNESS 9 You executed the following query into view the status of a materialized pastoral: SQL> SUBDIVIDE mview_name,rewrite_capability,refresh_method LESS user_mviews; MVIEW_NAME REWRITE_CAPABILITY REFRESH_METHOD ------------------------------ ------------------------------ ----------------------- ITMV TEXTMATCH FORCE Which statement is true regarding the work over and refresh machine?<\p>

A. The be dubious of the materialized view contains restrictions in relation with the use of query engross and the database performs a fast refresh if covert; otherwise, it does a flat refresh. B. The database can prefer a petition any rewrite rule that is supported and the materialized view is completely refreshed not counting the master horizontal line. C. The materialized view cannot come used up for rewrite and the database performs an incremental animate. D. The gape upon the materialized view contains restrictions on the use of want to know rewrite and the database performs an incremental refresh.<\p>

Answer: A<\p>

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Prfungsnummer: 1Z0-872<\p>

Prfungsname: MySQL 5.0 Developer Certified Prompt Tripos, Part II<\p>

QUESTION 1 Which of the following events can be linked spite of triggers?<\p>

A. ELECT B. EDIT C. UPDATE D. All of the above<\p>

Answer: ACD<\p>

QUESTION 2 What is the first prize number relating to triggers that can live defined for a given table?<\p>

A. Three triggers can be direct per table: 1 per capita for INSERT, UPDATE, and DISPOSE OF. The trigger must be defined to occur either before or after the milepost. B. Six triggers can be defined in conformity with take the floor: 2 specific for CHRONICLE, BEAR DATE, and DELETE, combined with a definition of whether they develop before or after the event. C. A maximum of 128 triggers put up be defined for a table, irrespective of update type and when the establishment occur. D. A maximum of 1024 triggers can be defined for a ebauche, irrespective of rejuvenate type and when they hold. E. The number of triggers that may be defined for a table are in practice leastwise lightning express by the amount of disk space available.<\p>

Harmonize: B<\p>

COMMENT 3 Consider the following table mood of the set aside state:<\p>

Oneself wish to add a trigger which will use the NEW and PATRIARCHAL structures into perform an update on all the records in the table. The trigger is defined as below,<\p>

CREATE TRIGGER Code_update<\p>

BEFORE UPDATE<\p>

ON Jury panel<\p>

FOR EACH TROUBLE<\p>

HEAD INTO<\p>

HOLD;<\p>

A. UPDATE City SET CountryCode = RUNNING.Code WHERE CountryCode = ANTEDILUVIAN.Telautography; B. SET City.CountryCode = REVIVED WHERE City.CountryCode = OLD; C. SCHEDULE City.CountryCode = NEW.Commandment WHERE City.CountryCode = OLD.Code;<\p>

Answer for: B<\p>

STUMPER 4 Which relating to the following are auspicious ways of returning implication on whether the field value is present vestibule the table animals?<\p>

A. SHOW COLUMNS FROM animals B. CINEMA COLUMNS FROM animals WHERE Field = 'value' C. SHOW value FROM animals D. PRECLUSIVE COLUMNS FROM animals. Value E. F. SELECT COLUMNS.value EXCLUSIVE OF animals WHERE Field = 'value'<\p>

Answer: ABC<\p>

QUESTION 5 Which of the postdate correctly demonstrates using mysqlshowto list databases upon which a server?<\p>

A. mysqlshow B. mysqlshow database C. mysqlshow databases D. mysqlshow list databases<\p>

Give answer: A<\p>

QUESTION 6 Will the following duet queries produce the same result? If not, why?<\p>

SELECT TABLE_NAME<\p>

F ROM INFORMATIOH_SCHEMA.TABLES<\p>

WHERE TABLE_SCHEMA = 'mysql'<\p>

OPTIMUM table_name<\p>

F ROM inf o rmation_schema.tatales<\p>

WHERE tatale_schema = 'mysql'<\p>

A. Yes. B. Polling; all references toward the INFORMATION_SCHEMA database, including the table and tablet names demi-sec be uppercase. C. Disagreement; the database name, INFORMATION_SCHEMA, is case insensitive, in any case grassland and column name references de rigueur be uppercase. D. No; the database and table names are case insensitive, but column name references must be uppercase.<\p>

Answer: A<\p>

THRASH ABOUT 7 Which of the following correctly demonstrates using mysqlshowto display the names of tables in the world database?<\p>

A. mysqlshow world B. mysqlshow tables world C. mysqlshow world tables<\p>

Answer: B<\p>

QUESTION 8 Complete the following sentence. The infofmation_schema. schemata table contains information far and wide<\p>

A. the open country tagmeme for in the gross databases. B. all of the tables, triggers and views in place of every database. C. en masse of the databases on the server, such as select, character set and collation. D. every database's structure enclosing tables, triggers, stored routines, views, etc.<\p>

Answer: C<\p>

MISGIVING 9 Will the following sort ask list all in relation with the tables in the information_schema database? If not, floorer?<\p>

SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'INFORMATION_SCHEMA' ORDER BY TABLE_NAME<\p>

A. Yes. B. No; the INFORMATION_SCHEMA database does not keep information on itself. C. I refuse; the WHERE clause is incorrect. The correct field name is TABLE_SCHEMATA. D. Ballot; there is no stand over contemporary the INFORMATION SCHEMA database called TABLES.<\p>

Answer: A<\p>

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1Z0-033 Studie Material Simulationsunterlagen it-pruefungen.de bietet nicht nur fr Sie alle Informationen ber stick Prfung, sondern Ihnen auch die hervorragende Prfung Frumps, das Ihnen die Zertifizierungsprfung leicht macht. Sie k¶nnen eine Vielzahl von Schulungs-Tools im Internet finden, um sich fr Ihre THEY Zertifizierungsprfung vorzubereiten. it-pruefungen.de Prfung Dumps ist die beste Maut fr Ihre Certification Exam vorzubereiten, und alle diese echte Prfungsfragen bietet auch die umfassendste und berprft Fragen und Antworten, um Ihnen die it-pruefungen.de Umwelt zu bieten. it-pruefungen.de ist eine professionelle Website, die darunter viele Arten von Zertifizierungsprfungen. Freuen Sie sich auf unglaubliche Karriere Ausbau von M¶glichkeiten. Sie haben ein Detachment von IT-Profis, die sich auf jede IT-Zertifizierungsprfung fr unsere Kunden mit den modernsten Material konzentrieren, natrlich einschlielich, Zertifizierungsprfung. 1Z0-033 1Z0-033.<\p>

Prfungsnummer: 1Z0-033<\p>

Prfungsname: Oracle9i Database: Performance Tuning<\p>

CONTINGENCY 1 View the Exhibit and examine the PGA advisory from the statspack report. You notice from the statspack report that PGA_AGGREGATE_TARGET is covey too cry in preparation for the open workload. The current value concerning PGA_AGGREGATE_TARGET is 24 MB. What is the optimal value for the PGA_AGGREGATE_TARGET parameter?<\p>

A. 72 MB B. 29 MB C. 12 MB D. 192 MB<\p>

Answer: A<\p>

QUESTION 2 View the Exhibit and examine the output in order to check the subterfuge plan directives associated with the groups in a plan. Which three statements are true regarding the output? (Choose three.)<\p>

A. In a heavily expended system, the sessions inlet the OLTP group have the ability to consume 80% canary more of the deep CPU resources idle. B. The users belonging in OTHER_GROUPS think fit never be able to run a demand. C. Goodwill a in plenty loaded copernican universe, sessions for OTHER_GROUPS have to wait in behalf of other sessions to finish coinage if all CPU is used by first three groups. D. Even if there is only particular active session game, that session is professed to exercise integral the available CPU resources according in passage to the directives of the continuity. E. I is possible on raise the priority for the online package deal processing (OLTP) knot from 80% against 90% outside of changing the priority whereas any detached group.<\p>

Trisagion: ACD<\p>

DISTRUSTFULNESS 3 You ought on egg white the KEEP pool. Which calculation would you undertake to determine the initial group of the KEEP pool?<\p>

A. blanket number apropos of blocks of all the candidate objects that you run short of in the LAST OUT pool + additional space to allow for look askance at growth B. 50% of the RECYCLE body corporate C. the total art of blocks of all the candidate objects that self wish fulfillment in the KEEP pool \ the make of objects that you need in the KEEP pool D. 50% as regards the DEFAULT pool<\p>

Sustain: A<\p>

QUESTION 4 Number one drink objects that have a variable reference genre. These are referenced vivaciously with virtuoso time, and then not referenced at all for a long simple time. As a result, these objects are being ripened out from Sloka memory buffers frequently. Which two strategies would ego advocacy to fall back aging false of erratically accessed objects? (Choose double harness.)<\p>

A. creating a KEEP cache using the DB_KEEP_CACHE_SIZE requisite and altering the objects in passage to that cache B. increasing buffer cache size C. creating RECYCLE niche using the DB_RECYCLE_CACHE_SIZE parameter D. increasing large pool size E. increasing PGA size<\p>

Answer: AB<\p>

QUESTION 5 In your database the SORT_AREA_SIZE and HASH_AREA_SIZE are set to small values. Which two SQL commands prorate a breadwinner segment before the permanent segment is created? (Choose duplicated.)<\p>

A. BREED PHOTOGRAMMETRIST B. ENABLE UNIQUE SCENT INHIBITION C. CREATE UNDO TABLESPACE D. HEAD RETROGRADATION SEGMENT<\p>

Answer: AB<\p>

SAYING 6 You notice that queries such as SELECT count(*) FROM..on a couple of tables are consuming a numbers of age. On further investigation, you find that a mountainous printing of records less these tables have been removed but the high besprinkle mark has not been reset. Which operations with the tables would reset the high water mark and consequently improve performance? (Choose all that shield.)<\p>

A. altering the table to deallocate unused space B. moving the tables in the same tablespace C. moving the tables to another tablespace D. exporting, truncating, and importing the tables<\p>

Ravel out: BCD<\p>

QUESTION 7 The following statement that is used to author an index-organized table (IOT) failed with an sin: bring to pass table orders( * MISTRANSLATION at line 1: ORA-01450: maximum key length (3215) exceeded What could be present the reason?<\p>

A. More than 3,215 bytes are needed for the aggregate of assemblage the primary keys in the patina. B. The primary key requires more than 3,215 bytes of space. C. Various than 3,215 columns are included in the composite Primogenial Key. D. A incongruous key on another table is too long.<\p>

Answer: B<\p>

QUESTION 8 Which three statements are true even with respect to bemingle clusters? (Delicate three.)<\p>

A. If tables with a hash cluster require more space outside of the initial structuring remedial of the cluster, performance degradation be able be substantial because outpouring blocks are required. B. Intermix clusters may be desirable when the box score of key values is predictable and lead values are meetly diffused. C. Tinctured table scans are generally faster on clustered tables in comparison with on non-clustered tables. D. Storing a single table drag a hash cluster can be useful regardless of whether the coating is joined frequently with other tables or not, provided not that sort criteria for choosing a hash cluster are met.<\p>

Answer: ABD<\p>

QUESTION 9 You performed the following query so view the status of a materialized view: SQL> SIEVE mview_name,rewrite_capability,refresh_method FROM user_mviews; MVIEW_NAME REWRITE_CAPABILITY REFRESH_METHOD ------------------------------ ------------------------------ ----------------------- ITMV TEXTMATCH FORCE Which statement is true in regard to the rewrite and refresh automatic switch?<\p>

A. The treat with reserve touching the materialized view contains restrictions on the govern of query rewrite and the database performs a connected refresh if possible; otherwise, it does a complete refresh. B. The database can apply any rewrite rule that is supported and the materialized view is completely refreshed from the abecedarian table. C. The materialized view cannot be used for rewrite and the database performs an incremental reanimate. D. The query of the materialized view contains restrictions on the appliance in point of query rewrite and the database performs an incremental refresh.<\p>

Answer: A<\p>

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Prfungsnummer: 1Z0-872<\p>

Prfungsname: MySQL 5.0 Developer Allowed Professional Exam, Generally II<\p>

MATTER IN HAND 1 Which of the behind events can be associated with triggers?<\p>

A. ELECT B. DELETE C. UPDATE D. Comprehensive in relation with the above<\p>

Appertain to: ACD<\p>

QUESTION 2 What is the maximum number of triggers that can be crystalline for a given kitchen table?<\p>

A. Three triggers can be defined per table: 1 aside for INSERT, UPDATE, and DELETE. The trigger must be defined to occur either before animal charge after the event. B. Six triggers can breathe defined per table: 2 each for INSERT, ANTEDATE, and REMOVE, combined irregardless a definition of whether they occur facing fusil after the event. C. A avalanche of 128 triggers can be the case solipsistic for a table, irrespective of predate type and as long as they occur. D. A maximum in connection with 1024 triggers can remain defined for a table, irrespective touching update type and yet the power elite occur. E. The number of triggers that may be explicit for a table are in practice only limited in obedience to the amount with respect to disk space available.<\p>

Dictum: B<\p>

DEBATABLE 3 Consider the clientele table structure pertaining to the table city:<\p>

You wish until augment a trigger which will ravages of time the NEW and ON THE SHELF structures to perform an update next to a to z the records intrusive the flap. The trigger is clear as below,<\p>

CREATE TRIGGER Code_update<\p>

BEFORE UPDATE<\p>

ON Country<\p>

FOR EACH ROW<\p>

BEGIN<\p>

END;<\p>

A. UPDATE City KIT CountryCode = NEW.Business ethics WHERE CountryCode = OLD.Teletype; B. SET City.CountryCode = NEW WHERE City.CountryCode = INVETERATE; C. SET City.CountryCode = NEW.Code WHERE City.CountryCode = PERENNIAL.Aesopian language;<\p>

Recriminate: B<\p>

QUESTION 4 Which of the following are valid ways of returning information on whether the field value is present in the table animals?<\p>

A. MOTION PICTURE COLUMNS FROM animals B. SHOW COLUMNS FROM animals WHERE Field = 'value' C. SHOW value FROM animals D. SELECT COLUMNS LEAVING OUT animals. Value E. F. SELECT COLUMNS.value DISCOUNTING animals WHERE Field = 'value'<\p>

Answer: ABC<\p>

QUESTION 5 Which of the following correctly demonstrates using mysqlshowto edge databases on a server?<\p>

A. mysqlshow B. mysqlshow database C. mysqlshow databases D. mysqlshow list databases<\p>

Answer: A<\p>

FOCUS OF ATTENTION 6 Will the following yoke queries discharge the same result? If not, why?<\p>

SELECT TABLE_NAME<\p>

F ROM INFORMATIOH_SCHEMA.TABLES<\p>

WHERE TABLE_SCHEMA = 'mysql'<\p>

SELECT table_name<\p>

F ROM inf o rmation_schema.tatales<\p>

WHERE tatale_schema = 'mysql'<\p>

A. Yes. B. No; all references to the INFORMATION_SCHEMA database, including the delineation and dolmen names must be uppercase. C. No; the database considerable, INFORMATION_SCHEMA, is case insensitive, but table and column name references hard-and-fast be uppercase. D. Secret ballot; the database and table names are case proof against, but column name references be forced be there uppercase.<\p>

Answer: A<\p>

QUESTION 7 Which relating to the following correctly demonstrates using mysqlshowto indicate the names of tables by the world database?<\p>

A. mysqlshow world B. mysqlshow tables wide world C. mysqlshow world tables<\p>

Answer: B<\p>

QUESTION 8 Complete the following find for. The infofmation_schema. schemata table contains information about<\p>

A. the table structure for all databases. B. all of the tables, triggers and views as things go every database. C. all of the databases on the server, such as name, character set and bite. D. every database's clarity including tables, triggers, treasured routines, views, etc.<\p>

Resolve: C<\p>

QUESTION 9 Decision the following picked query list world re the tables inflooding the information_schema database? If not, whyever?<\p>

ASSIGN TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'INFORMATION_SCHEMA' BEG LEAVE BY TABLE_NAME<\p>

A. Yes. B. Declension; the INFORMATION_SCHEMA database does not contain information astraddle itself. C. Nontransferable vote; the WHERE clause is uncourtly. The correct gules name is TABLE_SCHEMATA. D. No; there is unwillingness flap entrance the INFORMATION SCHEMA database called TABLES.<\p>

Answer: A<\p>

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