SELECT INTO element table PL/SQL

In the PL/SQL code, I try to get the number of records that have a certain column with the values stored in a SQL table that contains the values of good research.

Here is my attempt:

My_procedure PROCEDURE

...

CURSOR del_method_crsr IS

SELECT delivery_method - delivery_method is VARCHAR2 column

OF delivery_method_lookup;

...

Del_method_cnts_table_type TYPE TABLE IS NUMBER

INDEX BY VARCHAR2 (32);

del_method_counts del_method_cnts_table_type;

del_method_char VARCHAR2 (32);

LONG cat_count;

...

BEGIN

...

FOR del_method IN del_method_crsr

LOOP

del_method_char: = CAST (del_method AS VARCHAR2);     -* Error occurs on this line *.

SELECT COUNT (*)

IN cat_count

DE (...) ;

del_method (del_method) _counts: = cat_count

END LOOP;

...

END;

When I try to compile I get error "PLS-00382: expression is of the wrong type.

I tried several methods to overcome this problem, this CAST attempt is just the last, but all attempts to cause the same error.

I'm assuming that the problem is that del_method is not of type VARCHAR2 (is this something like a pointer?) so I'll try to convert the VARCHAR2 so that it can be used for the key of the table.

My original attempt for the select statement in the cursor for loop was of the form:

SELECT COUNT (*)

IN del_method_counts (del_method)

DE (...) ;

My hypothesis is correct, or is there another problem, that I'm not aware?

How to make this work?

Thank you.

Why are you trying to mount loop recording to a scalar?

FOR del_method IN del_method_crsr

In this statement, "del_method" is the NAME of the folder returned by the cursor.

TO abcde IN myCURSOR

In this statement "abcde" is the NAME of the folder returned by the cursor. This is an ALIAS that you use to refer to the WHOLE LINE returns the cursor.

To reference the columns in this row using dot notation:

TO abcde IN myCURSOR

My_name: = abcde.NAME;

my_salary = abcde. SAL;

. . .

See example 6-19 in the doc

https://docs.Oracle.com/CD/E18283_01/AppDev.112/e17126/static.htm#BABGJBEA

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    40-
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    42, y.author, y.auth_fn, y.auth_ln, y.auth_cnt, y.auth_em, y.auth_d1, y.auth_d2
    43, z.id, z.pub, z.sec, z.iss_dt, z.pg, z.art_ttl, z.num_wrds, z.oprice, z.ocurr, z.price, z.curr
    44 t
    45, xmltable ('/ authxml')
    from $ 46 t.xml
    path of 47 columns gen_date varchar2 (10) '. / generation_date'
    48, path of varchar2 (15) of gen_by '. / generated_by'
    49, path of varchar2 (4) year '. "/ year"
    50 varchar2 (2) mn road '. "/ month"
    51, path of xmltype authors '.'
    52                 ) x
    53, xmltable ('/ authxml/authors ')
    from $ 54 x.authors
    author of 55 path of varchar2 columns (15) '. / author'
    56, path of varchar2 (10) of auth_fn '. / author_firstname'
    57, path of varchar2 (10) of auth_ln '. / author_lastname'
    58 road of VARCHAR2 (3) auth_cnt '. / author_country'
    59 road of varchar2 (20) of auth_em '. / author_email'
    60 road of varchar2 (5) of auth_d1 '. / author_data_01'
    61, path of varchar2 (5) of auth_d2 '. / author_data_02'
    62, path of xmltype articles '. / Articles'
    63                 ) y
    64, xmltable ('/ Articles/article_item ')
    from $ 65 y.articles
    path id 66 number columns '. / article_id'
    67, path of varchar2 (10) pub '. ' / publication.
    68 road of varchar2 (10) dry '. / section'
    69, path of varchar2 (10) of iss_dt '. / issue_date'
    70 road of VARCHAR2 (3) pg '. "/ print this page"
    71, path of varchar2 (20) of art_ttl '. / article_title'
    72, path of varchar2 (5) of num_wrds '. / number_of_words'
    73, path of varchar2 (5) of oprice '. / original_price'
    74 road to VARCHAR2 (3) ocurr '. / original_price_currency'
    75, path of varchar2 (5) price '. "/ price"
    76, path of VARCHAR2 (3) curr '. / price_currency'
    77*                ) z
    SQL > /.

    GEN_DATE GEN_BY YEAR MN AUTHOR AUTH_FN AUTH_LN AUT AUTH_EM AUTH_ AUTH_ ID PUB DRY ISS_DT PG ART_TTL NUM_W OPRIC HEARTS PRICE OCU
    ---------- --------------- ---- -- --------------- ---------- ---------- --- -------------------- ----- ----- ---------- ---------- ---------- ---------- --- -------------------- ----- ----- --- ----- ---
    17/11/2015 Admin Admin 2015 01 user author user author [email protected] 123456 UAE Al Bayan Local 11/11/2015 2 is the title.   165 200 AED AED 250

    Of course, you'll want to change the types of data, etc. as needed.

    I assumed that the XML can contain several "" sections and that each section can contain several entries.

    Thus the XMLTABLE aliasing as 'x' gives information of XML, and supplies the data associated with the XMLTABLE with alias 'y' which gets the multiple authors, which itself section of the XMLTABLE with alias 'z' for each of the article_item.

    CDATA stuff are handled automatically by SQLX (XML functionality integrated into Oracle's SQL)

  • Accelerate the selection * of a table

    Hi all

    OS: RHEL

    DB: 11 gR 2

    Is it possible that we can accelerate the selection * of a table?

    Kind regards

    $phinx19 wrote:

    Hi all

    OS: RHEL

    DB: 11 gR 2

    Is it possible that we can accelerate the selection * of a table?

    Kind regards

    # If it is everything you write, you get a full table scan independently of all the indexes that exist on this table:

    SQL > create table (yazflutt)

    snorm number 2.

    3 gleezle varchar2 (40),

    date of Halloween 4,

    Number 5 art);

    Table created.

    SQL >

    SQL > start

    2 for i in 1.10000 loop

    3. insert into yazflutt

    4 values (i, 'pourles yinko' |) I |'! (', sysdate - I, i);

    5 end of loop;

    6

    7 validation;

    8 end;

    9.

    PL/SQL procedure successfully completed.

    SQL >

    SQL > set autotrace on

    SQL >

    SQL > select * from yazflutt;

    SNORM GLEEZLE HALLOWEEN ART

    ---------- ---------------------------------------- --------- ----------

    yinko 567 567 pourles!                        15 APRIL 14 567

    yinko 568 568 pourles!                        14 APRIL 14 568

    ...

    9982 yinko 9982 pourles!                       5 JULY 88 9982

    9983 pourles yinko 9983!                       4 JULY 88 9983

    9984 yinko 9984 pourles!                       3 JULY 88 9984

    9985 pourles yinko 9985!                       2 JULY 88 9985

    9986 yinko 9986 pourles!                       1 JULY 88 9986

    9987 yinko 9987 pourles!                       30 JUNE 88 9987

    9988 yinko 9988 pourles!                       29 JUNE 88 9988

    SNORM GLEEZLE HALLOWEEN ART

    ---------- ---------------------------------------- --------- ----------

    9989 yinko 9989 pourles!                       9989 JUNE 28, 88

    yinko 9990 9990 pourles!                       JUNE 27 88 9990

    9991 yinko 9991 pourles!                       9991 26 JUNE 88

    9992 yinko 9992 pourles!                       25 JUNE 88 9992

    9993 yinko 9993 pourles!                       9993 JUNE 24, 88

    9994 yinko 9994 pourles!                       23 JUNE 88 9994

    9995 pourles yinko 9995!                       9995 22 JUNE 88

    yinko 9996 9996 pourles!                       JUNE 21 88 9996

    9997 yinko 9997 pourles!                       20 JUNE 88 9997

    9998 pourles yinko 9998!                       9998 19 JUNE 88

    yinko 9999 9999 pourles!                       18 JUNE 88 9999

    SNORM GLEEZLE HALLOWEEN ART

    ---------- ---------------------------------------- --------- ----------

    10000 pourles 10000 yinko!                      JUNE 17, 88 10000

    10000 selected lines.

    Execution plan

    ----------------------------------------------------------

    Hash value of plan: 2573332187

    ------------------------------------------------------------------------------

    | ID | Operation | Name | Lines | Bytes | Cost (% CPU). Time |

    ------------------------------------------------------------------------------

    |   0 | SELECT STATEMENT |          | 10000 |   556K |    10 (10) | 00:00:01 |

    |   1.  TABLE ACCESS FULL | YAZFLUTT | 10000 |   556K |    10 (10) | 00:00:01 |

    ------------------------------------------------------------------------------

    Note

    -----

    -the dynamic statistics used: dynamic sampling (level = 2)

    Statistics

    ----------------------------------------------------------

    9 recursive calls

    0 db block Gets

    795 consistent gets

    0 physical reads

    0 redo size

    488545 bytes sent via SQL * Net to client

    7877 bytes received via SQL * Net from client

    668 SQL * Net back and forth to and from the client

    0 sorts (memory)

    0 sorts (disk)

    10000 rows processed

    SQL >

    SQL > set autotrace off

    SQL >

    SQL > create index yazflutt_idx1 on yazflutt (snorm);

    The index is created.

    SQL >

    SQL > create index yazflutt_idx2 on yazflutt (gleezle);

    The index is created.

    SQL >

    SQL > create index yazflutt_idx3 on yazflutt (hopple);

    The index is created.

    SQL >

    SQL > create index yazflutt_idx4 on yazflutt (art);

    The index is created.

    SQL >

    SQL > exec dbms_stats.gather_table_stats (user, 'YAZFLUTT',-online true waterfall, estimate_percent-online null)

    PL/SQL procedure successfully completed.

    SQL >

    SQL > set autotrace on

    SQL >

    SQL > select * from yazflutt;

    SNORM GLEEZLE HALLOWEEN ART

    ---------- ---------------------------------------- --------- ----------

    yinko 567 567 pourles!                        15 APRIL 14 567

    yinko 568 568 pourles!                        14 APRIL 14 568

    yinko 569 569 pourles!                        APRIL 13, 14 569

    ...

    9983 pourles yinko 9983!                       4 JULY 88 9983

    9984 yinko 9984 pourles!                       3 JULY 88 9984

    9985 pourles yinko 9985!                       2 JULY 88 9985

    9986 yinko 9986 pourles!                       1 JULY 88 9986

    9987 yinko 9987 pourles!                       30 JUNE 88 9987

    9988 yinko 9988 pourles!                       29 JUNE 88 9988

    SNORM GLEEZLE HALLOWEEN ART

    ---------- ---------------------------------------- --------- ----------

    9989 yinko 9989 pourles!                       9989 JUNE 28, 88

    yinko 9990 9990 pourles!                       JUNE 27 88 9990

    9991 yinko 9991 pourles!                       9991 26 JUNE 88

    9992 yinko 9992 pourles!                       25 JUNE 88 9992

    9993 yinko 9993 pourles!                       9993 JUNE 24, 88

    9994 yinko 9994 pourles!                       23 JUNE 88 9994

    9995 pourles yinko 9995!                       9995 22 JUNE 88

    yinko 9996 9996 pourles!                       JUNE 21 88 9996

    9997 yinko 9997 pourles!                       20 JUNE 88 9997

    9998 pourles yinko 9998!                       9998 19 JUNE 88

    yinko 9999 9999 pourles!                       18 JUNE 88 9999

    SNORM GLEEZLE HALLOWEEN ART

    ---------- ---------------------------------------- --------- ----------

    10000 pourles 10000 yinko!                      JUNE 17, 88 10000

    10000 selected lines.

    Execution plan

    ----------------------------------------------------------

    Hash value of plan: 2573332187

    ------------------------------------------------------------------------------

    | ID | Operation | Name | Lines | Bytes | Cost (% CPU). Time |

    ------------------------------------------------------------------------------

    |   0 | SELECT STATEMENT |          | 10000 |   341K |    10 (10) | 00:00:01 |

    |   1.  TABLE ACCESS FULL | YAZFLUTT | 10000 |   341K |    10 (10) | 00:00:01 |

    ------------------------------------------------------------------------------

    Statistics

    ----------------------------------------------------------

    1 recursive calls

    0 db block Gets

    725 consistent gets

    0 physical reads

    0 redo size

    488545 bytes sent via SQL * Net to client

    7877 bytes received via SQL * Net from client

    668 SQL * Net back and forth to and from the client

    0 sorts (memory)

    0 sorts (disk)

    10000 rows processed

    SQL >

    SQL > set autotrace off

    SQL >

    Whatever the index in place a ' select * ' makes a full table scan, period.  Unless you can optimize your storage space, memory, or even use version 11.2 laters results cache and there is not a lot you can do.

    David Fitzjarrell

  • Parse XML and insert into the table Oracel

    Hi all

    I have an XML document, I need to analyze and take the respective tag data and inserting it into another table.

    This is the XML code that I have.

    " < convertTo xsi: schemaLocation =" https://xecdapi.XE.com/schema/v1/convertTo.xsd "> "

    < terms > http://www.XE.com/privacy.php < / terms >

    < privacy > http://www.XE.com/legal/DFS.php < / privacy >

    < to > < /pour > USD

    < amount > 1.0 < / amount >

    < timestamp > 2015-10-25T 23: 00:00Z < / timestamp >

    < from >

    rate <>

    < currency > EUR < / currency >

    < e > 0.9075541422 < / mid >

    < / rates >

    rate <>

    INR < currency > < / currency >

    < e > 65.0313451105 < / mid >

    < / rates >

    rate <>

    < currency > CAD < / currency >

    < e > 1.3167560135 < / mid >

    < / rates >

    rate <>

    < currency > GBP < / currency >

    < e > 0.6528693249 < / mid >

    < / rates >

    < / from >

    < / convertTo >


    Here is the code I use to analyze the values

    DECLARE

    XMLType x: = XMLType)

    ' ' < convertTo xsi: schemaLocation = " https://xecdapi.XE.com/schema/v1/convertTo.xsd "> "

    < terms > http://www.XE.com/privacy.php < / terms >

    < privacy > http://www.XE.com/legal/DFS.php < / privacy >

    < to > < /pour > USD

    < amount > 1.0 < / amount >

    < timestamp > 2015-10-25T 23: 00:00Z < / timestamp >

    < from >

    rate <>

    < currency > EUR < / currency >

    < e > 0.9075541422 < / mid >

    < / rates >

    rate <>

    INR < currency > < / currency >

    < e > 65.0313451105 < / mid >

    < / rates >

    rate <>

    < currency > CAD < / currency >

    < e > 1.3167560135 < / mid >

    < / rates >

    rate <>

    < currency > GBP < / currency >

    < e > 0.6528693249 < / mid >

    < / rates >

    < / from >

    < / convertTo > '

    );

    BEGIN

    FOR r IN

    (

    SELECT

    Name of the AS ExtractValue (Value (p),'/ rate/currency/text () ')

    -, ExtractValue (value (p), '/ Row/Address/State/Text ()') State

    -, ExtractValue (value (p), '/ Row/Address/City/Text ()') city

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    )

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    dbms_output.put_line ('Name' | r.Name);

    END LOOP;

    END;

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    ORA-19202: an error has occurred in the processing of XML

    LPX-00234: the 'xsi' namespace prefix is not declared

    Error on line 1

    ORA-06512: at "SYS." XMLTYPE", line 310

    ORA-06512: at line 2

    31011 00000 - "XML parsing failed"

    * Cause: XML parser returned an error trying to parse the document.

    * Action: Check whether the document to parse is valid.

    Any help on how to fix this would be really useful.

    Appreciate your time and your help.

    Thank you

    Olivier

    Have you even tried to do what we have suggested?

    SQL > ed
    A written file afiedt.buf

    1 with t as (select xmltype ('))
    "" 2 http://xecdapi.xe.com "xmlns: xsi ="http://www.w3.org/2001/XMLSchema-instance"" xsi: schemaLocation = "https://xecdapi.xe.com/schema/v1/convertTo.xsd" > ""
    3 http://www.xe.com/privacy.php
    4 http://www.xe.com/legal/dfs.php
    5 USD
    6    1.0
    7 2015-10 - 25 T 23: 00:00Z
    8
    9
    10 EUROS
    11 0.9075541422
    12
    13
    14     ") in XML of the double)"
    15-
    16 end of test data
    17-
    18 select x.*
    19 t
    20, xmltable (xmlnamespaces ("http://www.w3.org/2001/XMLSchema-instance" as "xsi", default 'http://xecdapi.xe.com'),)
    21 ' / convertTo/of/rate.
    22 passage t.xml
    path of VARCHAR2 (3) currency 23 columns '. / currency '
    24, half-way number '. / mid'
    25*                ) x
    SQL > /.
    HEART MI
    --- ----------
    EUR.907554142

    1 selected line.

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