Query in oracle

how to get the sysdate in oracle

795503 wrote:
how to get the sysdate in oraclejust reference SYSDATE anyplace you need it. You've already been shown a simple select from DUAL. This actually works on any table
select sysdate from anytable;or if you need it to populate a column on an insert
insert into mytable values (sysdate);

Similar Messages

  • Query in timesten taking more time than query in oracle database

    Hi,
    Can anyone please explain me why query in timesten taking more time
    than query in oracle database.
    I am mentioning in detail what are my settings and what have I done
    step by step.........
    1.This is the table I created in Oracle datababase
    (Oracle Database 10g Enterprise Edition Release 10.2.0.1.0)...
    CREATE TABLE student (
    id NUMBER(9) primary keY ,
    first_name VARCHAR2(10),
    last_name VARCHAR2(10)
    2.THIS IS THE ANONYMOUS BLOCK I USE TO
    POPULATE THE STUDENT TABLE(TOTAL 2599999 ROWS)...
    declare
    firstname varchar2(12);
    lastname varchar2(12);
    catt number(9);
    begin
    for cntr in 1..2599999 loop
    firstname:=(cntr+8)||'f';
    lastname:=(cntr+2)||'l';
    if cntr like '%9999' then
    dbms_output.put_line(cntr);
    end if;
    insert into student values(cntr,firstname, lastname);
    end loop;
    end;
    3. MY DSN IS SET THE FOLLWING WAY..
    DATA STORE PATH- G:\dipesh3repo\db
    LOG DIRECTORY- G:\dipesh3repo\log
    PERM DATA SIZE-1000
    TEMP DATA SIZE-1000
    MY TIMESTEN VERSION-
    C:\Documents and Settings\dipesh>ttversion
    TimesTen Release 7.0.3.0.0 (32 bit NT) (tt70_32:17000) 2007-09-19T16:04:16Z
    Instance admin: dipesh
    Instance home directory: G:\TimestTen\TT70_32
    Daemon home directory: G:\TimestTen\TT70_32\srv\info
    THEN I CONNECT TO THE TIMESTEN DATABASE
    C:\Documents and Settings\dipesh> ttisql
    command>connect "dsn=dipesh3;oraclepwd=tiger";
    4. THEN I START THE AGENT
    call ttCacheUidPwdSet('SCOTT','TIGER');
    Command> CALL ttCacheStart();
    5.THEN I CREATE THE READ ONLY CACHE GROUP AND LOAD IT
    create readonly cache group rc_student autorefresh
    interval 5 seconds from student
    (id int not null primary key, first_name varchar2(10), last_name varchar2(10));
    load cache group rc_student commit every 100 rows;
    6.NOW I CAN ACCESS THE TABLES FROM TIMESTEN AND PERFORM THE QUERY
    I SET THE TIMING..
    command>TIMING 1;
    consider this query now..
    Command> select * from student where first_name='2155666f';
    < 2155658, 2155666f, 2155660l >
    1 row found.
    Execution time (SQLExecute + Fetch Loop) = 0.668822 seconds.
    another query-
    Command> SELECT * FROM STUDENTS WHERE FIRST_NAME='2340009f';
    2206: Table SCOTT.STUDENTS not found
    Execution time (SQLPrepare) = 0.074964 seconds.
    The command failed.
    Command> SELECT * FROM STUDENT where first_name='2093434f';
    < 2093426, 2093434f, 2093428l >
    1 row found.
    Execution time (SQLExecute + Fetch Loop) = 0.585897 seconds.
    Command>
    7.NOW I PERFORM THE SIMILAR QUERIES FROM SQLPLUS...
    SQL> SELECT * FROM STUDENT WHERE FIRST_NAME='1498671f';
    ID FIRST_NAME LAST_NAME
    1498663 1498671f 1498665l
    Elapsed: 00:00:00.15
    Can anyone please explain me why query in timesten taking more time
    that query in oracle database.
    Message was edited by: Dipesh Majumdar
    user542575
    Message was edited by:
    user542575

    TimesTen
    Hardware: Windows Server 2003 R2 Enterprise x64; 8 x Dual-core AMD 8216 2.41GHz processors; 32 GB RAM
    Version: 7.0.4.0.0 64 bit
    Schema:
    create usermanaged cache group factCache from
    MV_US_DATAMART
    ORDER_DATE               DATE,
    IF_SYSTEM               VARCHAR2(32) NOT NULL,
    GROUPING_ID                TT_BIGINT,
    TIME_DIM_ID               TT_INTEGER NOT NULL,
    BUSINESS_DIM_ID          TT_INTEGER NOT NULL,
    ACCOUNT_DIM_ID               TT_INTEGER NOT NULL,
    ORDERTYPE_DIM_ID          TT_INTEGER NOT NULL,
    INSTR_DIM_ID               TT_INTEGER NOT NULL,
    EXECUTION_DIM_ID          TT_INTEGER NOT NULL,
    EXEC_EXCHANGE_DIM_ID TT_INTEGER NOT NULL,
    NO_ORDERS               TT_BIGINT,
    FILLED_QUANTITY          TT_BIGINT,
    CNT_FILLED_QUANTITY          TT_BIGINT,
    QUANTITY               TT_BIGINT,
    CNT_QUANTITY               TT_BIGINT,
    COMMISSION               BINARY_FLOAT,
    CNT_COMMISSION               TT_BIGINT,
    FILLS_NUMBER               TT_BIGINT,
    CNT_FILLS_NUMBER          TT_BIGINT,
    AGGRESSIVE_FILLS          TT_BIGINT,
    CNT_AGGRESSIVE_FILLS          TT_BIGINT,
    NOTIONAL               BINARY_FLOAT,
    CNT_NOTIONAL               TT_BIGINT,
    TOTAL_PRICE               BINARY_FLOAT,
    CNT_TOTAL_PRICE          TT_BIGINT,
    CANCELLED_ORDERS_COUNT          TT_BIGINT,
    CNT_CANCELLED_ORDERS_COUNT     TT_BIGINT,
    ROUTED_ORDERS_NO          TT_BIGINT,
    CNT_ROUTED_ORDERS_NO          TT_BIGINT,
    ROUTED_LIQUIDITY_QTY          TT_BIGINT,
    CNT_ROUTED_LIQUIDITY_QTY     TT_BIGINT,
    REMOVED_LIQUIDITY_QTY          TT_BIGINT,
    CNT_REMOVED_LIQUIDITY_QTY     TT_BIGINT,
    ADDED_LIQUIDITY_QTY          TT_BIGINT,
    CNT_ADDED_LIQUIDITY_QTY     TT_BIGINT,
    AGENT_CHARGES               BINARY_FLOAT,
    CNT_AGENT_CHARGES          TT_BIGINT,
    CLEARING_CHARGES          BINARY_FLOAT,
    CNT_CLEARING_CHARGES          TT_BIGINT,
    EXECUTION_CHARGES          BINARY_FLOAT,
    CNT_EXECUTION_CHARGES          TT_BIGINT,
    TRANSACTION_CHARGES          BINARY_FLOAT,
    CNT_TRANSACTION_CHARGES     TT_BIGINT,
    ORDER_MANAGEMENT          BINARY_FLOAT,
    CNT_ORDER_MANAGEMENT          TT_BIGINT,
    SETTLEMENT_CHARGES          BINARY_FLOAT,
    CNT_SETTLEMENT_CHARGES          TT_BIGINT,
    RECOVERED_AGENT          BINARY_FLOAT,
    CNT_RECOVERED_AGENT          TT_BIGINT,
    RECOVERED_CLEARING          BINARY_FLOAT,
    CNT_RECOVERED_CLEARING          TT_BIGINT,
    RECOVERED_EXECUTION          BINARY_FLOAT,
    CNT_RECOVERED_EXECUTION     TT_BIGINT,
    RECOVERED_TRANSACTION          BINARY_FLOAT,
    CNT_RECOVERED_TRANSACTION     TT_BIGINT,
    RECOVERED_ORD_MGT          BINARY_FLOAT,
    CNT_RECOVERED_ORD_MGT          TT_BIGINT,
    RECOVERED_SETTLEMENT          BINARY_FLOAT,
    CNT_RECOVERED_SETTLEMENT     TT_BIGINT,
    CLIENT_AGENT               BINARY_FLOAT,
    CNT_CLIENT_AGENT          TT_BIGINT,
    CLIENT_ORDER_MGT          BINARY_FLOAT,
    CNT_CLIENT_ORDER_MGT          TT_BIGINT,
    CLIENT_EXEC               BINARY_FLOAT,
    CNT_CLIENT_EXEC          TT_BIGINT,
    CLIENT_TRANS               BINARY_FLOAT,
    CNT_CLIENT_TRANS          TT_BIGINT,
    CLIENT_CLEARING          BINARY_FLOAT,
    CNT_CLIENT_CLEARING          TT_BIGINT,
    CLIENT_SETTLE               BINARY_FLOAT,
    CNT_CLIENT_SETTLE          TT_BIGINT,
    CHARGEABLE_TAXES          BINARY_FLOAT,
    CNT_CHARGEABLE_TAXES          TT_BIGINT,
    VENDOR_CHARGE               BINARY_FLOAT,
    CNT_VENDOR_CHARGE          TT_BIGINT,
    ROUTING_CHARGES          BINARY_FLOAT,
    CNT_ROUTING_CHARGES          TT_BIGINT,
    RECOVERED_ROUTING          BINARY_FLOAT,
    CNT_RECOVERED_ROUTING          TT_BIGINT,
    CLIENT_ROUTING               BINARY_FLOAT,
    CNT_CLIENT_ROUTING          TT_BIGINT,
    TICKET_CHARGES               BINARY_FLOAT,
    CNT_TICKET_CHARGES          TT_BIGINT,
    RECOVERED_TICKET_CHARGES     BINARY_FLOAT,
    CNT_RECOVERED_TICKET_CHARGES     TT_BIGINT,
    PRIMARY KEY(ORDER_DATE, TIME_DIM_ID, BUSINESS_DIM_ID, ACCOUNT_DIM_ID, ORDERTYPE_DIM_ID, INSTR_DIM_ID, EXECUTION_DIM_ID,EXEC_EXCHANGE_DIM_ID),
    READONLY);
    No of rows: 2228558
    Config:
    < CkptFrequency, 600 >
    < CkptLogVolume, 0 >
    < CkptRate, 0 >
    < ConnectionCharacterSet, US7ASCII >
    < ConnectionName, tt_us_dma >
    < Connections, 64 >
    < DataBaseCharacterSet, AL32UTF8 >
    < DataStore, e:\andrew\datacache\usDMA >
    < DurableCommits, 0 >
    < GroupRestrict, <NULL> >
    < LockLevel, 0 >
    < LockWait, 10 >
    < LogBuffSize, 65536 >
    < LogDir, e:\andrew\datacache\ >
    < LogFileSize, 64 >
    < LogFlushMethod, 1 >
    < LogPurge, 0 >
    < Logging, 1 >
    < MemoryLock, 0 >
    < NLS_LENGTH_SEMANTICS, BYTE >
    < NLS_NCHAR_CONV_EXCP, 0 >
    < NLS_SORT, BINARY >
    < OracleID, NYCATP1 >
    < PassThrough, 0 >
    < PermSize, 4000 >
    < PermWarnThreshold, 90 >
    < PrivateCommands, 0 >
    < Preallocate, 0 >
    < QueryThreshold, 0 >
    < RACCallback, 0 >
    < SQLQueryTimeout, 0 >
    < TempSize, 514 >
    < TempWarnThreshold, 90 >
    < Temporary, 1 >
    < TransparentLoad, 0 >
    < TypeMode, 0 >
    < UID, OS_OWNER >
    ORACLE:
    Hardware: Sunos 5.10; 24x1.8Ghz (unsure of type); 82 GB RAM
    Version 10g Enterprise Edition Release 10.2.0.3.0 - 64bit Production
    Schema:
    CREATE MATERIALIZED VIEW OS_OWNER.MV_US_DATAMART
    TABLESPACE TS_OS
    PARTITION BY RANGE (ORDER_DATE)
    PARTITION MV_US_DATAMART_MINVAL VALUES LESS THAN (TO_DATE(' 2007-11-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_07_NOV_D1 VALUES LESS THAN (TO_DATE(' 2007-11-11 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_07_NOV_D2 VALUES LESS THAN (TO_DATE(' 2007-11-21 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_07_NOV_D3 VALUES LESS THAN (TO_DATE(' 2007-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_07_DEC_D1 VALUES LESS THAN (TO_DATE(' 2007-12-11 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_07_DEC_D2 VALUES LESS THAN (TO_DATE(' 2007-12-21 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_07_DEC_D3 VALUES LESS THAN (TO_DATE(' 2008-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_08_JAN_D1 VALUES LESS THAN (TO_DATE(' 2008-01-11 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_08_JAN_D2 VALUES LESS THAN (TO_DATE(' 2008-01-21 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_08_JAN_D3 VALUES LESS THAN (TO_DATE(' 2008-02-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS,
    PARTITION MV_US_DATAMART_MAXVAL VALUES LESS THAN (MAXVALUE)
    LOGGING
    NOCOMPRESS
    TABLESPACE TS_OS
    NOCACHE
    NOCOMPRESS
    NOPARALLEL
    BUILD DEFERRED
    USING INDEX
    TABLESPACE TS_OS_INDEX
    REFRESH FAST ON DEMAND
    WITH PRIMARY KEY
    ENABLE QUERY REWRITE
    AS
    SELECT order_date, if_system,
    GROUPING_ID (order_date,
    if_system,
    business_dim_id,
    time_dim_id,
    account_dim_id,
    ordertype_dim_id,
    instr_dim_id,
    execution_dim_id,
    exec_exchange_dim_id
    ) GROUPING_ID,
    /* ============ DIMENSIONS ============ */
    time_dim_id, business_dim_id, account_dim_id, ordertype_dim_id,
    instr_dim_id, execution_dim_id, exec_exchange_dim_id,
    /* ============ MEASURES ============ */
    -- o.FX_RATE /* FX_RATE */,
    COUNT (*) no_orders,
    -- SUM(NO_ORDERS) NO_ORDERS,
    -- COUNT(NO_ORDERS) CNT_NO_ORDERS,
    SUM (filled_quantity) filled_quantity,
    COUNT (filled_quantity) cnt_filled_quantity, SUM (quantity) quantity,
    COUNT (quantity) cnt_quantity, SUM (commission) commission,
    COUNT (commission) cnt_commission, SUM (fills_number) fills_number,
    COUNT (fills_number) cnt_fills_number,
    SUM (aggressive_fills) aggressive_fills,
    COUNT (aggressive_fills) cnt_aggressive_fills,
    SUM (fx_rate * filled_quantity * average_price) notional,
    COUNT (fx_rate * filled_quantity * average_price) cnt_notional,
    SUM (fx_rate * fills_number * average_price) total_price,
    COUNT (fx_rate * fills_number * average_price) cnt_total_price,
    SUM (CASE
    WHEN order_status = 'C'
    THEN 1
    ELSE 0
    END) cancelled_orders_count,
    COUNT (CASE
    WHEN order_status = 'C'
    THEN 1
    ELSE 0
    END
    ) cnt_cancelled_orders_count,
    -- SUM(t.FX_RATE*t.NO_FILLS*t.AVG_PRICE) AVERAGE_PRICE,
    -- SUM(FILLS_NUMBER*AVERAGE_PRICE) STAGING_AVERAGE_PRICE,
    -- COUNT(FILLS_NUMBER*AVERAGE_PRICE) CNT_STAGING_AVERAGE_PRICE,
    SUM (routed_orders_no) routed_orders_no,
    COUNT (routed_orders_no) cnt_routed_orders_no,
    SUM (routed_liquidity_qty) routed_liquidity_qty,
    COUNT (routed_liquidity_qty) cnt_routed_liquidity_qty,
    SUM (removed_liquidity_qty) removed_liquidity_qty,
    COUNT (removed_liquidity_qty) cnt_removed_liquidity_qty,
    SUM (added_liquidity_qty) added_liquidity_qty,
    COUNT (added_liquidity_qty) cnt_added_liquidity_qty,
    SUM (agent_charges) agent_charges,
    COUNT (agent_charges) cnt_agent_charges,
    SUM (clearing_charges) clearing_charges,
    COUNT (clearing_charges) cnt_clearing_charges,
    SUM (execution_charges) execution_charges,
    COUNT (execution_charges) cnt_execution_charges,
    SUM (transaction_charges) transaction_charges,
    COUNT (transaction_charges) cnt_transaction_charges,
    SUM (order_management) order_management,
    COUNT (order_management) cnt_order_management,
    SUM (settlement_charges) settlement_charges,
    COUNT (settlement_charges) cnt_settlement_charges,
    SUM (recovered_agent) recovered_agent,
    COUNT (recovered_agent) cnt_recovered_agent,
    SUM (recovered_clearing) recovered_clearing,
    COUNT (recovered_clearing) cnt_recovered_clearing,
    SUM (recovered_execution) recovered_execution,
    COUNT (recovered_execution) cnt_recovered_execution,
    SUM (recovered_transaction) recovered_transaction,
    COUNT (recovered_transaction) cnt_recovered_transaction,
    SUM (recovered_ord_mgt) recovered_ord_mgt,
    COUNT (recovered_ord_mgt) cnt_recovered_ord_mgt,
    SUM (recovered_settlement) recovered_settlement,
    COUNT (recovered_settlement) cnt_recovered_settlement,
    SUM (client_agent) client_agent,
    COUNT (client_agent) cnt_client_agent,
    SUM (client_order_mgt) client_order_mgt,
    COUNT (client_order_mgt) cnt_client_order_mgt,
    SUM (client_exec) client_exec, COUNT (client_exec) cnt_client_exec,
    SUM (client_trans) client_trans,
    COUNT (client_trans) cnt_client_trans,
    SUM (client_clearing) client_clearing,
    COUNT (client_clearing) cnt_client_clearing,
    SUM (client_settle) client_settle,
    COUNT (client_settle) cnt_client_settle,
    SUM (chargeable_taxes) chargeable_taxes,
    COUNT (chargeable_taxes) cnt_chargeable_taxes,
    SUM (vendor_charge) vendor_charge,
    COUNT (vendor_charge) cnt_vendor_charge,
    SUM (routing_charges) routing_charges,
    COUNT (routing_charges) cnt_routing_charges,
    SUM (recovered_routing) recovered_routing,
    COUNT (recovered_routing) cnt_recovered_routing,
    SUM (client_routing) client_routing,
    COUNT (client_routing) cnt_client_routing,
    SUM (ticket_charges) ticket_charges,
    COUNT (ticket_charges) cnt_ticket_charges,
    SUM (recovered_ticket_charges) recovered_ticket_charges,
    COUNT (recovered_ticket_charges) cnt_recovered_ticket_charges
    FROM us_datamart_raw
    GROUP BY order_date,
    if_system,
    business_dim_id,
    time_dim_id,
    account_dim_id,
    ordertype_dim_id,
    instr_dim_id,
    execution_dim_id,
    exec_exchange_dim_id;
    -- Note: Index I_SNAP$_MV_US_DATAMART will be created automatically
    -- by Oracle with the associated materialized view.
    CREATE UNIQUE INDEX OS_OWNER.MV_US_DATAMART_UDX ON OS_OWNER.MV_US_DATAMART
    (ORDER_DATE, TIME_DIM_ID, BUSINESS_DIM_ID, ACCOUNT_DIM_ID, ORDERTYPE_DIM_ID,
    INSTR_DIM_ID, EXECUTION_DIM_ID, EXEC_EXCHANGE_DIM_ID)
    NOLOGGING
    NOPARALLEL
    COMPRESS 7;
    No of rows: 2228558
    The query (taken Mondrian) I run against each of them is:
    select sum("MV_US_DATAMART"."NOTIONAL") as "m0"
    --, sum("MV_US_DATAMART"."FILLED_QUANTITY") as "m1"
    --, sum("MV_US_DATAMART"."AGENT_CHARGES") as "m2"
    --, sum("MV_US_DATAMART"."CLEARING_CHARGES") as "m3"
    --, sum("MV_US_DATAMART"."EXECUTION_CHARGES") as "m4"
    --, sum("MV_US_DATAMART"."TRANSACTION_CHARGES") as "m5"
    --, sum("MV_US_DATAMART"."ROUTING_CHARGES") as "m6"
    --, sum("MV_US_DATAMART"."ORDER_MANAGEMENT") as "m7"
    --, sum("MV_US_DATAMART"."SETTLEMENT_CHARGES") as "m8"
    --, sum("MV_US_DATAMART"."COMMISSION") as "m9"
    --, sum("MV_US_DATAMART"."RECOVERED_AGENT") as "m10"
    --, sum("MV_US_DATAMART"."RECOVERED_CLEARING") as "m11"
    --,sum("MV_US_DATAMART"."RECOVERED_EXECUTION") as "m12"
    --,sum("MV_US_DATAMART"."RECOVERED_TRANSACTION") as "m13"
    --, sum("MV_US_DATAMART"."RECOVERED_ROUTING") as "m14"
    --, sum("MV_US_DATAMART"."RECOVERED_ORD_MGT") as "m15"
    --, sum("MV_US_DATAMART"."RECOVERED_SETTLEMENT") as "m16"
    --, sum("MV_US_DATAMART"."RECOVERED_TICKET_CHARGES") as "m17"
    --,sum("MV_US_DATAMART"."TICKET_CHARGES") as "m18"
    --, sum("MV_US_DATAMART"."VENDOR_CHARGE") as "m19"
              from "OS_OWNER"."MV_US_DATAMART" "MV_US_DATAMART"
    where I uncomment a column at a time and rerun. I improved the TimesTen results since my first post, by retyping the NUMBER columns to BINARY_FLOAT. The results I got were:
    No Columns     ORACLE     TimesTen     
    1     1.05     0.94     
    2     1.07     1.47     
    3     2.04     1.8     
    4     2.06     2.08     
    5     2.09     2.4     
    6     3.01     2.67     
    7     4.02     3.06     
    8     4.03     3.37     
    9     4.04     3.62     
    10     4.06     4.02     
    11     4.08     4.31     
    12     4.09     4.61     
    13     5.01     4.76     
    14     5.02     5.06     
    15     5.04     5.25     
    16     5.05     5.48     
    17     5.08     5.84     
    18     6     6.21     
    19     6.02     6.34     
    20     6.04     6.75

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    Edited by: wkobargs on Aug 8, 2012 7:59 AM
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