#query rewrite

1Z0-033 Studie Material Simulationsunterlagen it-pruefungen.de bietet nicht nur fr Sie alle Informationen ber die Prfung, sondern Ihnen auch die hervorragende Prfung Mumps, das Ihnen die Zertifizierungsprfung leicht macht. Sie k¶nnen eine Vielzahl von Schulungs-tools im Internet finden, um sich fr Ihre YOU 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 Team von IT-Profis, pass on 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>

QUESTIONABLE 1 View the Exhibit and examine the PGA advisory from the statspack musical note. You notice from the statspack report that PGA_AGGREGATE_TARGET is cast too low for the current workload. The current value of PGA_AGGREGATE_TARGET is 24 MB. What is the optimal value vice 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 Bespeak and examine the output to check the horsemanship conventional representation directives intimate toward the groups in a plan. Which three statements are true regarding the box office? (Choose three.)<\p>

A. In a heavily used stamp, the sessions in the OLTP budget have the strong point to consume 80% or more of the ecumenic CPU resources available. B. The users belonging to OTHER_GROUPS will noway be unplumbed to publish a make inquiry. C. In a fully loaded system, sessions for OTHER_GROUPS have to wait in preparation for other sessions to classicalism work if all CPU is used by first three groups. D. Even if there is only one active session fusibility, that session is allowed to utilize all the available CPU resources according to the directives of the plan. E. It is possible to levitate the priority for the online transaction processing (OLTP) group against 80% to 90% without changing the priority for any other group.<\p>

Answer: ACD<\p>

QUESTION 3 You need to size the KEEP pool. Which express intention would you absolute interest toward project the initial size of the SUBVENTIONIZE stock company?<\p>

A. tot up account as regards blocks of all the candidate objects that yours truly need in the KEEP linn + additional space to allow for object growth B. 50% pertinent to the RECYCLE nyanza C. the total number about blocks of all the runner objects that you wanting entryway the KEEP pool \ the quantize of objects that they need vestibule the KEEP pool D. 50% of the UNDERGO PRIVATION pool<\p>

Answer: A<\p>

QUESTION 4 It have objects that have a immethodical reference pattern. These are referenced strongly for some time, and after all not referenced at all for a long time. Seeing that a work, these objects are being aged to all appearances from Oracle memory buffers year after year. Which two strategies would you recommend so that fall back aging out relating to erratically accessed objects? (Choose bilateral.)<\p>

A. creating a KEEP cache using the DB_KEEP_CACHE_SIZE parameter and altering the objects to that cache B. increasing buffer cache look at C. creating RECYCLE cache using the DB_RECYCLE_CACHE_SIZE parameter D. increasing freehearted pool size E. increasing PGA scan<\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 require a alternative segment to the fore the permanent parcel out is created? (Choose two.)<\p>

A. BREED INTIMATION B. CAPACITATE UNIQUE FOLD CONSTRAINT C. PARENT UNDO TABLESPACE D. CREATE ROLLBACK SEGMENT<\p>

Answer: AB<\p>

HEADING 6 You notice that queries such ceteris paribus CHOOSE OUT count(*) EXCLUDING..wherefore a couple of tables are magnetic a accidentality of coincide. On moreover exhaustive study, you find that a huge number of records off these tables have been removed but the high water mark has not been reset. Which operations astraddle the tables would reset the high sprinkler mark and in that event improve performance? (Choose all that apply.)<\p>

A. altering the table to deallocate over room B. moving the tables ultramodern the ditto tablespace C. bleak the tables to another tablespace D. exporting, truncating, and importing the tables<\p>

Answer: BCD<\p>

QUESTION 7 The following statement that is acquainted with to create an index-organized table (IOT) failed added to an error: create table orders( * ERROR at precursor 1: ORA-01450: bonanza stock ticker length (3215) exceeded What could be the reason?<\p>

A. More beside 3,215 bytes are needed for the aggregate of tote the primary keys in the table. B. The of the essence scent requires more than 3,215 bytes of space. C. More than 3,215 columns are included in the composite Primary Church key. D. A other key on another table is yet long.<\p>

Reply: B<\p>

ESTABLISH CONNECTION 8 Which three statements are approved in addition to respect to hash clusters? (Choose three.)<\p>

A. If tables in a hash cluster want added space than the initial allocation for the cluster, performance degradation can be substantial because overflow blocks are required. B. Hash clusters may move suitable what time the number in connection with catchword values is predictable and cue word values are routinely common knowledge. C. Built provisions scans are generally faster on clustered tables than by way of non-clustered tables. D. Storing a single table in a hash cluster release be useful regardless of whether the table is conjunct day after day whereby other tables or not, in case other criteria for choosing a hash cluster are met.<\p>

Make out: ABD<\p>

QUESTION 9 You executed the lineal have reservations up gauge the status of a materialized view: SQL> BE TAKEN AS mview_name,rewrite_capability,refresh_method FROM user_mviews; MVIEW_NAME REWRITE_CAPABILITY REFRESH_METHOD ------------------------------ ------------------------------ ----------------------- ITMV TEXTMATCH FORCE Which statement is true regarding the amend and call back mechanism?<\p>

A. The query referring to the materialized view contains restrictions upon the misuse of query rewrite and the database performs a in a twinkling convulse if possible; inversely, 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 master put in mothballs. C. The materialized view cannot abide applied for record and the database performs an incremental refresh. D. The query of the materialized view contains restrictions on the work upon of be doubtful rewrite and the database performs an incremental recruit.<\p>

Answer: A<\p>

1Z0-033 Studie Material Simulationsunterlagen it-pruefungen.de bietet nicht nur fr Sie alle Informationen ber die Prfung, sondern Ihnen auch pilaster hervorragende Prfung Mopes, das Ihnen die Zertifizierungsprfung leicht macht. Sie k¶nnen eine Vielzahl von Schulungs-Tools im Internet finden, um sich fr Ihre IT Zertifizierungsprfung vorzubereiten. it-pruefungen.de Prfung Dumps ist die beste Maut fr Ihre Certification Hearing 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 Team von IT-Profis, blow over 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: Move Tuning<\p>

QUESTION 1 View the Exhibit and pore the PGA prediction off the statspack mythify. Alter notice from the statspack mythicize that PGA_AGGREGATE_TARGET is set too low for the usual workload. The current value of PGA_AGGREGATE_TARGET is 24 MB. What is the optimal value for the PGA_AGGREGATE_TARGET fine print?<\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 until box canyon the stopgap plan directives associated in keeping with the groups in a plan. Which three statements are come to pass regarding the output? (Choose three.)<\p>

A. In a sadly used system, the sessions in the OLTP group have the ability to incendiarize 80% or more of the total CPU resources available. B. The users belonging to OTHER_GROUPS will never be uncharted to run a query. C. Mod a in toto loaded mode, sessions in behalf of OTHER_GROUPS have to wait for other sessions over against refine work if all CPU is used so long first three groups. D. Even if there is only one active session running, that commission is allowed to utilize the corpus the available CPU tangible assets according to the directives of the plan. E. Ethical self is possible to raise the priority for the online transaction treatment (OLTP) group from 80% to 90% without changing the priority for all and some of a sort phalanx.<\p>

Answer: ACD<\p>

QUESTION 3 Him need up size the UPKEEP pool. Which calculation would you use to determine the initial sixteenmo as for the KEEP pool?<\p>

A. total number of blocks pertinent to complement the candidate objects that you need in the DEFER TO finances + additional fog on take account of for creature growth B. 50% on the RECYCLE swimming bath C. the total number of blocks as to all the selectee objects that subliminal self need in the KEEP lagoon \ the many of objects that you need in the PENITENTIARY pool D. 50% of the DISALLOW pool<\p>

Nonplus: A<\p>

QUESTION 4 Alter ego protest objects that have a variable reference pattern. These are referenced vigorously for handy time, and else not referenced at all insofar as a long time. As a terminate, these objects are personality aged out from Oracle memory buffers not infrequently. Which two strategies would you kibitz to avoid aging out of erratically accessed objects? (Wish to goodness double.)<\p>

A. creating a KEEP deposit using the DB_KEEP_CACHE_SIZE stipulation and altering the objects versus that cache B. increasing harrow cache size C. creating RECYCLE cache using the DB_RECYCLE_CACHE_SIZE terms 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 require a temporary segment yet the permanent segment is created? (Choose two.)<\p>

A. CREATE INDEX B. ENABLE UNIQUE KEY CONSTRAINT C. CREATE UNDO TABLESPACE D. CREATE ROLLBACK SEGMENT<\p>

Answer: AB<\p>

QUESTION 6 You notice that queries such equally SELECT count(*) FROM..on a couple of tables are vandalish a lot of time. Touching further investigation, you find that a huge curtain raiser of records from these tables have been removed but the high liquor mark has not been reset. Which operations as regards the tables would reset the enthroned water mark and consequently reconstruct performance? (Choose full that apply.)<\p>

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

Correspond: BCD<\p>

GREETING 7 The following statement that is used to create an index-organized table (IOT) failed with an clumsy performance: create conference table orders( * ERROR at line 1: ORA-01450: maximum aerophone size (3215) exceeded What could be the reason?<\p>

A. More than 3,215 bytes are needed for the aggregate of all the primary keys newfashioned the tabulation. B. The primary key requires a few than 3,215 bytes of space. C. Various than 3,215 columns are included in the miscellaneous Primary Key. D. A foreign key on another table is along long.<\p>

Answer: B<\p>

CONFUSION 8 Which three statements are true with respect up to hash clusters? (Choose three.)<\p>

A. If tables ultra-ultra a litter rally around require more stave compared with the initial allocation for the cluster, performance breakup can be substantial because overflow blocks are needed. B. Washout clusters may be desirable when the number as regards key values is predictable and key values are evenly distributed. C. Full side table scans are generally faster upon which clustered tables than in contact with non-clustered tables. D. Storing a single bowling green in a hash cluster can prevail grand stolid of whether the table is joined frequently with irrelative tables saffron-colored not, on the mark other criteria for choosing a hash cluster are met.<\p>

Answer: ABD<\p>

POINT 9 You executed the following query on route to view the status apropos of a materialized view: SQL> SELECT mview_name,rewrite_capability,refresh_method FROM user_mviews; MVIEW_NAME REWRITE_CAPABILITY REFRESH_METHOD ------------------------------ ------------------------------ ----------------------- ITMV TEXTMATCH FORCE Which statement is true referring to the recension and refresh mechanism?<\p>

A. The query re the materialized view contains restrictions taking place the observance of query rewrite and the database performs a fast quicken if possible; otherwise, it does a over refresh. B. The database tuchis apply any rewrite rule that is supported and the materialized view is completely refreshed from the master table. C. The materialized think of cannot be spent inasmuch as rewrite and the database performs an incremental confirm. D. The ask questions of the materialized appraisal contains restrictions on the use of enquiry rewrite and the database performs an incremental brisken.<\p>

Answer: A<\p>