What should I collect statistics on?

Hi All,
I have a question, which can probably not have a short answer. But I want to derive a good strategy, which can be usefull in general. To start with, I do not think, for huge databases, we should just collect schema level stats.
What all are the elements, on which we should generally collect statistics ??
I can think of,
1) Tables (includes Materialized views)
2) Indexes
3) Indexed columns (for histograms)
In case of partitioned tables
1) Partitions (at the granularity of partition)
2) Sub-partition (at the granularity of partition)
3) Partition key columns (???)
Also, we can have global or local stats for partitioned tables.
Can there be a thumb rule in case of OLTP and DSS systems?
Am I asking a sensible question ?
Regards

Hi,
Regarding my question. I am not comfertable with the idea of letting Oracle gather stats in a huge database. For example, my application is a 3 Tera Byte Oracle database, with most of the data in one schema.
If I let Oracle do everything. Stats collection can be one of the big resource consuming jobs for us. So. if I want to manually do the stats collection, what objects should I concentrate on? Can there be a generic template plan for manual stats collection?
That is my question.
Please share your experiances.
Thanks in advance.

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PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(Software Hardware Memory Diagnostics Power FireWire Thunderbolt USB Fonts 51 4 300 25 5120 KiB/s 1024 85 \\b% 10240 1 MB/s 25000 ports 'com.autodesk.AutoCad com.evenflow.dropbox com.google.GoogleDrive' DYLD_INSERT_LIBRARIES\ DYLD_LIBRARY_PATH -86 ` route -n get default|awk '/e:/{print $2}' ` 25 N\\/A down up 102400 25600 recvfrom sendto CFBundleIdentifier 25 50 );N5=${#p[@]};p[N5]=` networksetup -listnetworkserviceorder|awk ' NR>1 { sub(/^$[0-9]+$ /,"");n=$0;getline;} $NF=="'${p[45]}')" { sub(/.$/,"",$NF);print n;exit;} ' `;f=('\n%s: %s\n' '\n%s\n\n%s\n' '\nRAM details\n%s\n' %s\ %s '%s\n\t(%s)\n' );S0() { echo ' { q=$NF+0;$NF="";u=$(NF-1);$(NF-1)="";gsub(/^ +| +$/,"");if(q>='${p[$1]}')printf("%s (UID %s) is using %s '${p[$2]}'\n",$0,u,q);} ';};s=(' /^ *$|CSConfigDot/d;s/^ */   /;s/[-0-9A-Fa-f]{22,}/UUID/g;s/(ochat)\.[^.]+(\..+)/\1\2/;/Shared/!s/\/Users\/[^/]+/~/g ' ' s/^ +//;5p;6p;8p;12p ' ' {sub(/^ +/,"")};NR==6;NR==13&&$2< '${p[10]} ' 1,5d;/[Bmy].*:/d;H;$   { g;/s: [^EO]|x([^08]|02[^F]|8[^0])/p;} ' ' 5h;6   { H;g;/P/!p;} ' ' ($1~/^Cy/&&$3>'${p[11]}')||($1~/^Cond/&&$2!~/^N/) ' ' /:$/{ s/ *:$//;x;s/\n//;/Apple|Genesy|Intel|SMSC/d;s/\n.*//;/\)/p;};/^ *(V.+ [0N]|Man).+ /{ s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;} ' ' s/^.*C/C/;H;$   { g;/No th|pms/!p;} ' '/= [^GO]/p' '{$1=""};1' ' /Of/!{ s/^.+is |\.//g;p;} ' '/(sh|ng|ic)$/p' ' $3~/[0-9]:[0-9]{2}$/ { $4="";gsub(" "," ");gsub(/:[0-9:a-f]{14}/,"");} { print|"tail -n'${p[12]}'";} ' ' NR==2&&$4<='${p[13]}' { print $4;} ' ' END { $2/=256;if($2>='${p[15]}')print int($2) } ' ' NR!=13{next};{sub(/[+-]$/,"",$NF)};'"`S0 21 22`" 'NR==2'"`S0 37 17`" ' NR!=5||$8!~/[RW]/{next};{ $(NF-1)=$1;$NF=int($NF/10000000);for(i=1;i<=3;i++){$i="";$(NF-1-i)="";};};'"`S0 19 20`" 's:^:/:p' '/\.kext\/(Contents\/)?Info\.plist$/p' ' s/^.{52}//;s/ .+//p ' ' /Launch[AD].+\.plist$/;END{if(NR<100)print "/System/";} ' '/\.xpc\/(Contents\/)?Info\.plist$/p' ' NR>1&&!/0x|\.[0-9]+$|com\.apple\.launchctl\.(Aqua|Background|System)$/ { print $3;} ' '/\.(framew|lproj)/d;/plist:|:.+(M.+exec|scrip)/s/:[^:]+//p' '/root/p' ' !/\/Contents\/.+\/Contents|Applic|Autom|Frameworks/&&/Lib.+\/Info.plist$/;END{if(NR<100)print "/System/"};' '/^\/usr\/lib\/.+dylib$/p' '/\/etc\/(auto_m|hosts[^.]|peri)/s/^\.\/[^/]+//p' ' /\/(Contents\/.+\/Contents|Frameworks)\//d;p;' 's/\/(Contents\/)?Info.plist$//;p' ' { gsub("^| ","||kMDItem'${p[35]}'=");sub("^.."," ") };1 ' p '{print $3"\t"$1}' 's/\'$'\t''.+//p' 's/1/On/p' '/Prox.+: [^0]/p' '$2>'${p[9]}'{$2=$2-1;print}' ' BEGIN { i="'${p[26]}'";M1='${p[16]}';M2='${p[18]}';M3='${p[31]}';M4='${p[32]}';} !/^A/ { next;} /%/ { getline;if($5<M1) a="user "$2"%, system "$4"%";} /disk0/&&$4>M2 { b=$3" ops/s, "$4" blocks/s";} $2==i { if(c) { d=$3+$4+$5+$6;next;};if($4>M3||$6>M4) c=int($4/1024)" in, "int($6/1024)" out";} END { if(a)print "CPU: "a;if(b)print "I/O: "b;if(c)print "Net: "c" (KiB/s)";if(d)print "Net errors: "d" packets/s";} ' ' /r\[0\] /&&$NF!~/^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./ { print $NF;exit;} ' ' !/^T/ { printf "(static)";exit;} ' '/apsd|OpenD/!s/:.+//p' ' (/k:/&&$3!~/(255\.){3}0/ )||(/v6:/&&$2!~/A/ ) ' ' /lR/ { if($2<='${p[25]}')print $2;} ' ' BEGIN { FS=":";} { n=split($3,a,".");sub(/_2.+/,"",a[n-1]);b=b"\n"$2" "a[n-1]" "a[n]" "$1;c=c$1;} END { d="sort";print b|d;close(d);if(c)print("\n\t* Code injection");} ' ' NR!=4{next} {$NF=int($NF/10240)} '"`S0 27 14`" ' END { if($3~/[0-9]/)print$3;} ' ' BEGIN { L='${p[36]}';} !/^[[:space:]]*(#.*)?$/ { l++;if(l<=L)f=f"\n\t"$0;} END { F=FILENAME;if(!f) f="\n\t[N/A]";"file -b "F|getline T;if(T!~/^(A.+ E.+ text$|POSIX sh.+ text ex)/) F=F" ("T")";printf("\nContents of %s\n%s\n",F,f);if(l>L) printf("\n\t...and %s more line(s)\n",l-L);} ' ' BEGIN{FS="= "} /Path/{print $2} ' ' /^ +B/{ s/.+= |(-[0-9]+)?\.s.+//g;p;} ' ' END{print NR} ' ' /id: N|te: Y/{i++} END{print i} ' '/:/!p' ' /:/{$0="'"${p[28]}"'"};1;' ' $0;END { if(NR<100)print "com.apple.";} ' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps sudo\ crontab sudo\ iotop top pkgutil PlistBuddy whoami cksum kextstat launchctl sudo\ launchctl crontab 'sudo defaults read' stat lsbom mdfind ' for i in ${p[24]};do ${c1[18]} ${c2[27]} $i;done;' defaults\ read scutil sudo\ dtrace sudo\ profiles sed\ -En awk /S*/*/P*/*/*/C*/*/airport networksetup );c2=(com.apple.loginwindow\ LoginHook '-c Print /L*/P*/loginw*' '-c Print L*/P*/*loginit*' '-c Print L*/Saf*/*/E*.plist' '~ $TMPDIR.. $ -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $' '.??* -path .Trash -prune -o -type d -name *.app -print -prune' '-c Print\ :'${p[35]}' 2>&1' '-c Print\ :Label 2>&1' '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status '-F bsd -k Sender kernel -k Message CReq "Beac|caug|dead[^l]|GPU |hfs: Ru|inval|jnl:|last value [1-9]|n Cause: -|NVDA$|pagin|proc: t|Roamed|rror|ssert|Thrott|timed? ?o|WARN" -k Message Ane "SMC:" -o -k Sender fseventsd -k Message CReq "SL"' '-du -n DEV -n EDEV 1 10' 'acrx -o comm,ruid,%cpu' '-t1 10 1' '-f -pfc /var/db/*/*.{BS,Bas,Es,OSXU,Rem}*.bom' '{/,}L*/Lo*/Diag* -type f \( -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true $ -execdir stat -f:%Sc:%N -t%F {} \;' '-L {/{S*/,},}L*/Lau* -type f' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' '-L /S*/L*/{C*/Sec*A,E}* {/,}L*/{A*d,Compon,Ex,In,iTu,Keyb,Mail/B,P*P,Qu*T,Scripti,Sec,Servi,Spo}* -type f -name Info.plist' '/usr/lib -type f -name *.dylib' `awk "${s[31]}"<<<${p[23]}` "/e*/{auto_master,{cron,fs}tab,hosts,{launchd,sysctl}.conf} /u*/lo*/e*/per*/*/* .launchd.conf" list getenv /Library/Preferences/com.apple.alf\ globalstate --proxy '-n get default' -I --dns -getdnsservers -getinfo\ "${p[N5]}" -P -m\ / '' -n1 '-R -l1 -n1 -o prt -stats command,uid,prt' '--regexp --only-files --files com.apple.pkg.*|sort|uniq' -kl -l );N1=${#c2[@]};for j in {0..8};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n 'syscall::'${p[33+j]}':return {@out[execname,uid]=sum(arg0)} tick-10sec {trunc(@out,1);exit(0)}'";done;l=(Restricted\ files Hidden\ apps RAM POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents launchd Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP RSSI Profiles 'Elapsed time (s)' Root\ crontab User\ crontab 'Global login items' 'User login items' );N3=${#l[@]};for i in 0 1 2;do l[N3+i]=${p[5+i]};done;N4=${#l[@]};for j in 0 1;do l[N4+j]="Current ${p[29+j]}stream data";done;A0() { id -G|grep -qw 80;v[1]=$?;((v[1]==0))&&sudo true;v[2]=$?;v[3]=`date +%s`;clear;};for i in 0 1;do eval ' A'$((1+i))'() { v[0]=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "${v[0]}" ]];};A'$((3+i))'() { v[0]=` while read i;do eval "${c1[$1]} ${c2[$2]}" \"$i\"|'${c1[30+i]}' "${s[$3]}";done<<<"${v[$4]}" `;[[ "${v[0]}" ]];};A'$((5+i))'() { v[0]=` while read i;do '${c1[30+i]}' "${s[$1]}" "$i";done<<<"${v[$2]}" `;[[ "${v[0]}" ]];};';done;A7(){ v[0]=$((`date +%s`-v[3]));};B2(){ v[$1]="${v[0]}";};for i in 0 1;do eval ' B'$i'() { unset v[0];((v['$((i+1))']==0))||{ v[0]=No;false;};};B'$((3+i))'() { v[$2]=`'${c1[30+i]}' "${s[$3]}"<<<"${v[$1]}"`;} ';done;B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v[0]=` paste -d: <(echo "${v[$1]}") <(echo "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v[0]=`grep -Fv "${v[$1]}"<<<"${v[0]}"`;};C0(){ echo "${v[0]}";};C1() { [[ "${v[0]}" ]]&&printf "${f[$1]}" "${l[$2]}" "${v[0]}";};C2() { v[0]=`echo ${v[0]}`;[[ "${v[0]}" != 0 ]]&&C1 0 $1;};C3() { v[0]=`sed -E "${s[0]}"<<<"${v[0]}"`&&C1 1 $1;};for i in 1 2;do for j in 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;A0;{ A2 0 $((N1+1)) 2;C0;A1 0 $N1 1;C0;B0;C2 27;B0&&! B1&&C2 28;D12 15 37 25 8;D13 0 $((N1+2)) 3 2;D13 0 $((N1+3)) 4 3;D22 0 $((N1+4)) 5 4;for i in 0 1 2;do D13 0 $((N1+5+i)) 6 $((N3+i));done;D13 1 10 7 9;D13 1 11 8 10;D22 2 12 9 11;D12 3 13 10 12;A1 4 19 11;B4 0 0 44;C3 13;D23 5 14 12 14;D22 6 36 13 15;D22 7 37 14 16;D23 8 15 38 17;D22 9 16 16 18;B1&&D22 11 17 17 20;D22 12 39 15 21;A1 13 40 18;B2 4;B3 4 0 19;A3 14 6 52 0;B4 0 5 54;A1 17 41 20;B7 5;C3 22;B4 4 6 21;A3 14 7 52 6;B4 0 7 54;B3 4 0 22;A3 14 6 52 0;B4 0 8 54;B5 7 8;B1&&{ A2 19 26 23;B7 7;C3 23;};A2 18 26 23;B7 7;C3 24;A2 4 20 21;B7 6;B2 9;A4 14 7 53 9;B2 10;B6 9 10 4;C3 25;D13 4 21 24 26;B4 4 12 26;B3 4 13 27;A1 4 22 29;B7 12;B2 14;A4 14 6 53 14;B2 15;B6 14 15 4;B3 0 0 30;C3 29;A1 4 23 27;B7 13;C3 30;D13 24 24 32 31;A1 23 18 28;B2 16;A2 16 25 33;B7 16;B3 0 0 34;B2 21;A6 47 21&&C0;B1&&D13 21 0 32 19;D23 14 1 48 43;D23 14 2 48 44;D13 14 3 49 5;D22 4 4 50 0;D13 4 5 32 1;D22 0 $((N1+8)) 51 32;D13 4 8 41 6;D23 22 9 37 7;B1&&D13 10 42 32 41;D23 20 42 32 42;D13 25 37 32 33;D12 26 28 35 34;D13 27 29 36 35;A2 27 32 39&&{ B2 19;A2 33 33 40;B2 20;B6 19 20 3;};C2 36;D23 33 34 42 37;D22 32 31 43 38;B1&&for i in 0 1;do D22 28 $((N2+i)) 45 $((N4+i));done;B1&&D22 29 35 46 39;A7;C2 40;} 2>/dev/null|pbcopy;exit 2>&-
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What should be take action against following sql tuning report.

Hi
what should be take action against following sql tuning report.
SQL ID : fn3mt5dvm7fba
SQL Text : SELECT * FROM (select
     to_number(ow.waybl_no) waybl_no,ow.id wb_id,
     To_Number(ogp.gp_no) gp_no,
     To_Number(ots.trip_sht_no) trip_sht_no,
     otr.nm,
     ots.gty_br_mast_id,
     DECODE(otr.sign_recd,'1','YES','NO') Sign_Recd,
     DECODE(otr.stamped,'1','YES','NO') Stamped,
     otr.dlvry_dt dlvry_dt,
     otr.tel_no,
     --otr.remarks,
     Decode(otr.comments, NULL,'','Yes') remarks,
     otr.id ID,ops_safex_utl.get_br_nm(to_number(ow.bkg_br_mast_id))
book_br,
     ow.pick_dt book_date
from
     ops_ts_reconsile otr,
     ops_pultd_wb_dtls opuwd,
     ops_trip_sht ots,
     ops_waybl ow,
     ops_ultd_wb_dtls ouwd,
     ops_gate_pass ogp
where
     otr.trip_sht_id=ots.id and
     otr.pultd_wb_dtls_id=opuwd.id and
     opuwd.ultd_wb_dtls_id=ouwd.id and
     ouwd.gate_pass_id=ogp.id and
     opuwd.waybl_id=ow.id and
     otr.status_lid=157 and
     ots.gty_br_mast_id = (:br_Id) and
     (otr.dlvry_dt = :searchDate OR :searchDate IS NULL) and
     otr.note_prpd = 'N' and otr.pod_recd = '1' and
     not exists (select TS_RECONSILE_ID from OPS_POD_FRWD_NOTE_DTLS
where TS_RECONSILE_ID = otr.id)
union
select
     to_number(ow.waybl_no) waybl_no, ow.id wb_id,
     To_Number(ogp.gp_no) gp_no,
     null trip_sht_no,
     ogr.nm,
     ogp.dlvry_br_mast_id,
     DECODE(ogr.sign_recd,'Y','YES','NO') Sign_Recd,
     DECODE(ogr.stamped,'Y','YES','NO') Stamped,
     ogr.dlvry_dt dlvry_dt,
     ogr.tel_no,
     --ogr.remarks,
     Decode(ogr.comments, NULL,'', 'Yes') remarks,
     ogr.id ID,ops_safex_utl.get_br_nm(to_number(ow.bkg_br_mast_id))
book_br,
     ow.pick_dt book_date
from
     ops_gp_reconcile ogr,
     ops_gate_pass ogp,
     ops_waybl ow
where
     ogr.gp_id=ogp.id and
     ogp.waybl_id=ow.id and
     ogp.dlvry_br_mast_id = (:br_Id) and
     (ogr.dlvry_dt = :searchDate) and
     ogr.note_prpd = 'N' and ogr.pod_recd = 'Y' and
     not exists (select GP_RECONSILE_ID from OPS_POD_FRWD_NOTE_DTLS
where GP_RECONSILE_ID = ogr.id)) QRSLT ORDER BY trip_sht_no desc
Bind Variables :
1 - (VARCHAR2(32)):37069
2 - (DATE):07/11/2011 00:00:00
3 - (DATE):07/11/2011 00:00:00
4 - (VARCHAR2(32)):37069
5 - (DATE):07/11/2011 00:00:00
FINDINGS SECTION (3 findings)
1- SQL Profile Finding (see explain plans section below)
2 potentially better execution plans were found for this statement. Choose
one of the following SQL profiles to implement.
Recommendation (estimated benefit<=10%)
- Consider accepting the recommended SQL profile.
execute dbms_sqltune.accept_sql_profile(task_name => 'TASK_58643',
task_owner => 'SYS', replace => TRUE);
Recommendation (estimated benefit: 99.15%)
- Consider accepting the recommended SQL profile to use parallel execution
for this statement.
execute dbms_sqltune.accept_sql_profile(task_name => 'TASK_58643',
task_owner => 'SYS', replace => TRUE, profile_type =>DBMS_SQLTUNE.PX_PROFILE);
Executing this query parallel with DOP 128 will improve its response time
99.11% over the SQL profile plan. However, there is some cost in enabling
parallel execution. It will increase the statement's resource consumption by
an estimated 14.56% which may result in a reduction of system throughput.
Also, because these resources are consumed over a much smaller duration, the
response time of concurrent statements might be negatively impacted if
sufficient hardware capacity is not available.
The following data shows some sampled statistics for this SQL from the past
week and projected weekly values when parallel execution is enabled.
Past week sampled statistics for this SQL
Number of executions 17494
Percent of total activity 7.2
Percent of samples with #Active Sessions > 2*CPU .63
Weekly DB time (in sec) 614696.04
Projected statistics with Parallel Execution
Weekly DB time (in sec) 704166.9
2- Restructure SQL finding (see plan 1 in explain plans section)
An expensive "UNION" operation was found at line ID 4 of the execution plan.
Recommendation
- Consider using "UNION ALL" instead of "UNION", if duplicates are allowed
or uniqueness is guaranteed.
3- Alternative Plan Finding
Some alternative execution plans for this statement were found by searching
the system's real-time and historical performance data.
The following table lists these plans ranked by their average elapsed time.
See section "ALTERNATIVE PLANS SECTION" for detailed information on each
plan.
id plan hash last seen elapsed (s) origin note
1 209247904 2011-07-12/10:09:08 7.564 Cursor Cache
2 4029269565 2011-07-12/10:20:21 15.374 Cursor Cache original plan
3 4128886984 2011-07-08/11:30:25 42.426 AWR
4 3695555639 2011-07-12/08:30:30 101.459 AWR
Recommendation
- Consider creating a SQL plan baseline for the plan with the best average
elapsed time.
execute dbms_sqltune.create_sql_plan_baseline(task_name => 'TASK_58643',
owner_name => 'SYS', plan_hash_value => 209247904);
ADDITIONAL INFORMATION SECTION
- The optimizer could not merge the view at line ID 3 of the execution plan.
The optimizer cannot merge a view that contains a set operator.
- SQL Profile "SYS_SQLPROF_01306b26f6aa0000" exists for this statement and
was ignored during the tuning process.

afzal wrote:
Hi
what should be take action against following sql tuning report.
<snip>Perhaps no action at all.
You can ALWAYS produce a report that will show "top 5" issues. The question is NOT "do I have an issue reported by a tuning report". Yes you do. Everyone does. Always. Even if you slowest batch job runs in 1.3 seconds and your slowest OLTP transaction completes in 0.0001 second.
The question is "do I have a problem that is serious enough to spend time solving?"
If your average OLTP transaction completes in 3 seconds, how much effort is justified to get a 50% improvement?
How much effort is justified to get that same 50% improvement on transactions that complete in 1.5 seconds? 0.2 seconds?
Beware of Compulsive Tuning Disorder.

What should be my plan of attack ?!?

I am trying to clean up my credit and raise my score so I am able to be debt free. I was 18 when I got credit cards and did not understand how they worked and a temporary job loss due to personal reasons but now I am employed and make 10/hr and average 30 hrs per week w/ I have $400 in savings. I have been a avid reader of this forum and decided it was time to post.  What should I get started with? & What cards should I get rid off
Credit INQ - 14 from 14’Credit Scores (via CK) - TU 561 , EX 557 UTLI - 38%   Collections \ CO SYNCB/WAL-MART - $564 Closed 1/14 CAPITAL ONE - $325   Closed 6/14   ( I pay $50/month to CA Firstsource Advantage )KOHL'S - $350 Closed 3/14JCP $228 Closed 5/14VICTORIA'S SECRET $263 Closed 8/14 ( CA- COLLINS ASSET GROUP LLC) ** Sent a PFD waiting for response from CA ** NCC BUSINESS SERVICES $2941 ( JOINT - Rental ) Open Accounts FINGERHUT $200 / $0 BAL Since 5/13US BANK Secured $300 / $150 BAL since 4/13 ( 3-60 DAY LATES & 2- 30 DAY LATES 13’-14’)* Wrote a Goodwill Letter for lates *Merrick Bank $200 / 150 BAL ( Paying this off next pay ) (* want to close this *)First Premier $300 / $114 BAL Since 12/14 ( *want to close this *)Credit One $300/ $162 BALAmerican Eagle $100/ $0 Since 6/13 ( CLD From $700 )

simonenadia wrote:
I am trying to clean up my credit and raise my score so I am able to be debt free. I was 18 when I got credit cards and did not understand how they worked and a temporary job loss due to personal reasons but now I am employed and make 10/hr and average 30 hrs per week w/ I have $400 in savings. I have been a avid reader of this forum and decided it was time to post.  What should I get started with? & What cards should I get rid off
Credit INQ - 14 from 14’Credit Scores (via CK) - TU 561 , EX 557 UTLI - 38%   Collections \ CO SYNCB/WAL-MART - $564 Closed 1/14 CAPITAL ONE - $325   Closed 6/14   ( I pay $50/month to CA Firstsource Advantage )KOHL'S - $350 Closed 3/14JCP $228 Closed 5/14VICTORIA'S SECRET $263 Closed 8/14 ( CA- COLLINS ASSET GROUP LLC) ** Sent a PFD waiting for response from CA ** NCC BUSINESS SERVICES $2941 ( JOINT - Rental ) Open Accounts FINGERHUT $200 / $0 BAL Since 5/13US BANK Secured $300 / $150 BAL since 4/13 ( 3-60 DAY LATES & 2- 30 DAY LATES 13’-14’)* Wrote a Goodwill Letter for lates *Merrick Bank $200 / 150 BAL ( Paying this off next pay ) (* want to close this *)First Premier $300 / $114 BAL Since 12/14 ( *want to close this *)Credit One $300/ $162 BALAmerican Eagle $100/ $0 Since 6/13 ( CLD From $700 )          I would recommend sending PFD to all the collections, hopefully some will work with you to have it deleted from your credit report.  Right now I wouldn't recommend closing any of your accounts, pay them off and try to stay under 1-9% UTL usage. Try gardening your current accounts until the baddies fall off. From now on try to pay on time whenever you can and don't apply for any more cards. Be patient, whats effecting your credit is the CO. Are any of them Derogatory?

What type of collection can I use to store a word and a string as it's valu

I am writing a grammar checking application. What kind of collection can I use to store the word and the type of word as it's value.
e.g.(book = noun) (clean = adjetive) (of = predicate) (took = verb)
or should I use a collection as they type and add the words in each different collection?
you advice is greatly appreciated.
thanks,
steve

class "Contradiction" contains two variables, the String and what Type was assumed
Algorithm:
Parse out next word
Find all possible meanings/types of word
Assume first meaning is true, continue (think [push])
If clause, call clauseParse all over again (think [push])
Return parsed structure when done, (think [pop])
If Contradiction rises to top of sentence, there is a grammer problem. Now switch into grammer correction mode.
If a word can be interpreted two different ways, don't worry about it as long as it's right either way.
To test for similar-sounding words, use something like SoundX
_Tim

What should I use? Vectors or...

I'm storing a large amount of Person objects, this is for a type of game I'm trying to create where it saves the players name, wins, losses, rank, etc in each Person object (this will all be in a text file also). I want these so that they can be sorted by any one of these statistics. I'm not sure how to go about this. Vectors were the first thing that came to my mind, but then I thought about LinkedLists, but I don't know much about them yet, I just know it's an option. My brother told me use LinkedLists, but that's all he would tell me. What should I use for this kind of task? All suggestions are welcome, I need a little help with this design. One more thing about this, players will be added and removed also. I really need some insight, thanks.
This is a side question, if someone could answer it, that would be nice, otherwise it's ok. How does a LinkedList differ from a Vector? Can't everything a LinkedList do, a Vector can do also with the same amount of ease? All I know that LinkedLists point to the next and previous nodes or something like that, not really sure what its advantage is. Thank you.

An array memory for holding each of the objects is allocated when you create it, hence you have to define the number of object you want when you create it.
+--+--+--+--+--+--+
|I0|I1|I2|I3|I4|I5| < Indexs
+--+--+--+--+--+--+
|V0|V1|V2|V3|V4|V5| < Values
+--+--+--+--+--+--+Pro: you can access the data quickly, as you have a direct refrence to each value, via it's index.
Con: Fixed size
Con: Waisted space
A Vector is a growable array.
It does this by creating a fixed sized array, then waiting until it's full, then creating a bigger one and then copying all the data from the smaller, old array to the new, bigger array. This means that every now and again you suffer a performce hit as your array grows.
Pro: you can access the data quickly, as you have a direct refrence to each value, via it's index.
Pro: Not a fixed size
Con: Will slow down when it grows.
Con: Waisted space
A Linked List does not have this problem each element holds the refrence to the next, unlike an array where the "system" holds a refrence to each element. This reduces its memory footprint, however its slower to search through as you have to loop through all the objects.
+----+----+
|DATA|LINK|
+----+--|-+
        |     +----+----+
        +--> |DATA|LINK|
              +----+----+Pro: Growable
Pro: Size
Con: Slow to search
There are things you can do to speed up a linked list (double linked lists & improve the order in which they are added) but it's still slow.
I'll leave choosing the data structure to you.

Help!! I'm using a Mid 2012 MBP retina. for the past 2 years my write speeds has been consistently on 400MB/s via black magic test. but now it only have 100MB/s going down to 80MB/s. what should I do???? getting slower...

Help!! I'm using a Mid 2012 MBP retina 2.3Ghz i7 with 8GB of ram 256SSD. for the past 2 years my write speeds has been consistently on 400MB/s and up via black magic test. but now it only have 100MB/s going down to 80MB/s. what should I do???? I have already cleaned and even restored my MBP still it's on 100MB/s. please help. I have to finish tasks on a timely manner.

No. This requires completely repartitioning the SSD. You can do that only by using the Network Recovery method or the method I outlined. My method preserves all your data and doesn't require doing a slow Network Recovery. But if you wish to do that instead. The purpose of the whole exercise is to "clean" the SSD of garbage collected during use that tends to cause the SSD to slow down as you've described.
Install OS X Using Internet Recovery
Be sure you backup your files to an external drive or second internal drive because the following procedure will remove everything from the hard drive.
Boot to the Internet Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND-OPTION- R keys until a globe appears on the screen. Wait patiently - 15-20 minutes - until the Recovery main menu appears.
Partition and Format the hard drive:
Select Disk Utility from the main menu and click on the Continue button.
After DU loads select your newly installed hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Security button. Set Zero Data - one-pass, click on the OK button. Click on the Partition button and wait until the process has completed. Quit DU and return to the main menu.
Reinstall OS X: Select Reinstall OS X and click on the Install button. Be sure to select the correct drive to use if you have more than one.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.
This should restore the version of OS X originally pre-installed on the computer.

What should I collect statistics on?

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