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  • Resize form based on if subform visible

    - by dmr
    I have a form with a subform on it. If subform contains no records, it's visible property is false. In that case, I'd like the outer form to shrink so that there isn't a big empty space where the subform was. The long way to do this would be by setting the position for all the controls on the form based on whether the subform is visible. However, is there an easier way to do this (maybe with the can grow/ can shrink property)?

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  • MySQL VARCHAR strange column behavior

    - by Mat
    I have the following SQL statement which returns a single record as expected: select * from geodatasource_cities C, geodatasource_countries D where C.CC_FIPS = D.CC_FIPS and D.CC_ISO='AU' and UCASE(TRIM(C.FULL_NAME_ND)) LIKE '%JAN JUE%'; However, If I use the following SQL statement, no records are returned. I have only changed the LIKE clause to an equal to clause: select * from geodatasource_cities C, geodatasource_countries D where C.CC_FIPS = D.CC_FIPS and D.CC_ISO='AU' and UCASE(TRIM(C.FULL_NAME_ND)) = 'JAN JUE'; Can anybody please help me understand why this may be happening?

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  • SQL column length query

    - by Mike
    i've been using the following query: select LEN(columnname) as columnmame from dbo.amu_datastaging This works, but is there a way to only return the greatest value instead of all the values? So if i return 1million records and the longest length is 400, the query would just return the value of 400?

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  • MySQL forgot about automatically creating an index for a foreign key?

    - by bobo
    After running the following SQL statements, you will see that, MySQL has automatically created the non-unique index question_tag_tag_id_tag_id on the tag_id column for me after the first ALTER TABLE statement has run. But after the second ALTER TABLE statement has run, I think MySQL should also automatically create another non-unique index question_tag_question_id_question_id on the question_id column for me. But as you can see from the SHOW INDEXES statement output, it's not there. Why does MySQL forget about the second ALTER TABLE statement? By the way, since I have already created a unique index question_id_tag_id_idx used by both question_id and tag_id columns. Is creating a separate index for each of them redundant? mysql> DROP DATABASE mydatabase; Query OK, 1 row affected (0.00 sec) mysql> CREATE DATABASE mydatabase; Query OK, 1 row affected (0.00 sec) mysql> USE mydatabase; Database changed mysql> CREATE TABLE question (id BIGINT AUTO_INCREMENT, html TEXT, PRIMARY KEY(id)) ENGINE = INNODB; Query OK, 0 rows affected (0.05 sec) mysql> CREATE TABLE tag (id BIGINT AUTO_INCREMENT, name VARCHAR(10) NOT NULL, UNIQUE INDEX name_idx (name), PRIMARY KEY(id)) ENGINE = INNODB; Query OK, 0 rows affected (0.05 sec) mysql> CREATE TABLE question_tag (question_id BIGINT, tag_id BIGINT, UNIQUE INDEX question_id_tag_id_idx (question_id, tag_id), PRIMARY KEY(question_id, tag_id)) ENGINE = INNODB; Query OK, 0 rows affected (0.00 sec) mysql> ALTER TABLE question_tag ADD CONSTRAINT question_tag_tag_id_tag_id FOREIGN KEY (tag_id) REFERENCES tag(id); Query OK, 0 rows affected (0.10 sec) Records: 0 Duplicates: 0 Warnings: 0 mysql> ALTER TABLE question_tag ADD CONSTRAINT question_tag_question_id_question_id FOREIGN KEY (question_id) REFERENCES question(id); Query OK, 0 rows affected (0.13 sec) Records: 0 Duplicates: 0 Warnings: 0 mysql> SHOW INDEXES FROM question_tag; +--------------+------------+----------------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+ | Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment | +--------------+------------+----------------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+ | question_tag | 0 | PRIMARY | 1 | question_id | A | 0 | NULL | NULL | | BTREE | | | question_tag | 0 | PRIMARY | 2 | tag_id | A | 0 | NULL | NULL | | BTREE | | | question_tag | 0 | question_id_tag_id_idx | 1 | question_id | A | 0 | NULL | NULL | | BTREE | | | question_tag | 0 | question_id_tag_id_idx | 2 | tag_id | A | 0 | NULL | NULL | | BTREE | | | question_tag | 1 | question_tag_tag_id_tag_id | 1 | tag_id | A | 0 | NULL | NULL | | BTREE | | +--------------+------------+----------------------------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+ 5 rows in set (0.01 sec) mysql>

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  • mysql insert multiple rows, return rows that failed

    - by Glenn
    When I try to insert (lets say) 30 rows in my table. For example INSERT INTO customers(cust_name, cust_address, cust_city, cust_state, cust_zip, cust_country) VALUES( 'Pep E. LaPew', '100 Main Street', 'Los Angeles', 'CA', '90046', 'USA' ), ( 'M. Martian', '42 Galaxy Way', 'New York', 'NY', '11213', 'USA' ), ... ; And cust_name has to be unique. How can I then identify the records that failed to insert because their cust_name already exists? Is it possible to return them?

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  • SQL Server 2005-data count

    - by megala
    hi i created project using asp.net and sql server 2005.I created table and inserted datainto sqlserver 2005. but i dont how to find the(count) number of records stored in the table.how to find this?

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  • How to get php form data to pdf in table structure using WAMP

    - by Fero
    Hi I am displaying all the users in the form using php where the data are fetched from db. When i click on the icon all users data should be show in a pdf with a good table structure. i am hereby using fpdf to generate it. i created pdf but the records are not in formatted structure. How should this can be done. kindly advice. thanks in advance strong text

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  • Specify database engine to use in fixtures

    - by deceze
    Is there a way to specify the database engine to be used for fixtures in CakePHP test fixtures? Some of my models depend on database transactions, and I would like to write some tests for their correct behavior. Currently I'm simply auto-importing the schema, but the tables get created with MySQL's standard MyISAM engine, which doesn't support transactions. class FooFixture extends CakeTestFixture { public $name = 'Foo'; public $import = 'Foo'; public $records = array(...); }

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  • Is it bad practice to use an enum that maps to some seed data in a Database?

    - by skb
    I have a table in my database called "OrderItemType" which has about 5 records for the different OrderItemTypes in my system. Each OrderItem contains an OrderItemType, and this gives me referential integrity. In my middletier code, I also have an enum which matches the values in this table so that I can have business logic for the different types. My dev manager says he hates it when people do this, and I am not exactly sure why. Is there a better practice I should be following?

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  • how understand one result set is subset of another in twomysql select result set ?

    - by Ehsan Khodarahmi
    Hi I've 2 mysql select statements, suppose these are my queries & their result : Statement 1 : select id from a which returns this result set : { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } Statement 2 : select id from b which returns this result set : { 3, 5, 10 } I want to write a query which determines whether resultset1 contains all records of resultset2 or not. I think needs a simple query, any suggestion ???

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  • Passing delimited string to stored procedure to search database

    - by rs
    How can i pass a string delimited by space or comma to stored procedure and filter result? I'm trying to do something like - Parameter Value -------------------------- @keywords key1 key2 key3 Then is stored procedure i want to first find all records with first or last name like key1 filter step 1 with first or last name like key2 filter step 2 with first or last name like key 3

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  • Select statement that combines similar rows with certain ids?

    - by vegatron
    hi I have a warehouse_products table which defines how many products in the warehouses so lets say I have 20 records/rows in the table, some rows may contain the same product id but in a different warehouse I need to create select statement that give every product one row, and in this row I must have the quantity in warehouse A and warehouse B .. so in the end I will get for example 10 rows that contain all the data

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  • What does Error 3112 indicate when compacting an MDB file?

    - by Craig Johnston
    What does Error 3112 indicate when compacting an MDB file? The Error description is "Records can't be read; no read permission on 'xyz123.mdb'" There is a known issue with the Compact function on some versions of Access MDBs. Is the solution in this case to run the Microsoft utility JETCOMP.EXE on this file? What are the other possible causes of this error?

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  • What is the command for Index optimization and update statistics for Oracle 10g and 11g?

    - by indra
    I am Loading large no of rows into a table from a csv data file . For every 10000 records I want to update the indexs on the table for optimization (update statistics ). Any body tell me what is the command i can use? Also what is MSSQL "UPDATE STATISTICS" equivalent in Oracle.is Update statistics means index optimization or gatehring statistics. I am using Oracle 10g and 11g. Thanks in advance.

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  • Splitting tables by field to optimize MySQL?

    - by AK
    Do splitting fields into multiple tables ever yield faster queries? Consider the following two scenarios: Table1 ----------- int PersonID text Value1 float Value2 or Table1 ----------- int PersonID text Value1 Table2 ----------- int PersonID float Value2 If Value1 and Value2 are always being displayed together, I imagine Table1 is always faster because the second schema would require two SELECT statements. But are there any situations where you would choose the second? If the number of records were expected to be really large?

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  • Mysql select - improve performances

    - by realshadow
    Hey, I am working on an e-shop which sells products only via loans. I display 10 products per page in any category, each product has 3 different price tags - 3 different loan types. Everything went pretty well during testing time, query execution time was perfect, but today when transfered the changes to the production server, the site "collapsed" in about 2 minutes. The query that is used to select loan types sometimes hangs for ~10 seconds and it happens frequently and thus it cant keep up and its hella slow. The table that is used to store the data has approximately 2 milion records and each select looks like this: SELECT * FROM products_loans WHERE KOD IN("X17/Q30-10", "X17/12", "X17/5-24") AND 369.27 BETWEEN CENA_OD AND CENA_DO; 3 loan types and the price that needs to be in range between CENA_OD and CENA_DO, thus 3 rows are returned. But since I need to display 10 products per page, I need to run it trough a modified select using OR, since I didnt find any other solution to this. I have asked about it here, but got no answer. As mentioned in the referencing post, this has to be done separately since there is no column that could be used in a join (except of course price and code, but that ended very, very badly). Here is the show create table, kod and CENA_OD/CENA_DO very indexed via INDEX. CREATE TABLE `products_loans` ( `KOEF_ID` bigint(20) NOT NULL, `KOD` varchar(30) NOT NULL, `AKONTACIA` int(11) NOT NULL, `POCET_SPLATOK` int(11) NOT NULL, `koeficient` decimal(10,2) NOT NULL default '0.00', `CENA_OD` decimal(10,2) default NULL, `CENA_DO` decimal(10,2) default NULL, `PREDAJNA_CENA` decimal(10,2) default NULL, `AKONTACIA_SUMA` decimal(10,2) default NULL, `TYP_VYHODY` varchar(4) default NULL, `stage` smallint(6) NOT NULL default '1', PRIMARY KEY (`KOEF_ID`), KEY `CENA_OD` (`CENA_OD`), KEY `CENA_DO` (`CENA_DO`), KEY `KOD` (`KOD`), KEY `stage` (`stage`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 And also selecting all loan types and later filtering them trough php doesnt work good, since each type has over 50k records and the select takes too much time as well... Any ides about improving the speed are appreciated. Edit: Here is the explain +----+-------------+----------------+-------+---------------------+------+---------+------+--------+-------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+----------------+-------+---------------------+------+---------+------+--------+-------------+ | 1 | SIMPLE | products_loans | range | CENA_OD,CENA_DO,KOD | KOD | 92 | NULL | 190158 | Using where | +----+-------------+----------------+-------+---------------------+------+---------+------+--------+-------------+ I have tried the combined index and it improved the performance on the test server from 0.44 sec to 0.06 sec, I cant access the production server from home though, so I will have to try it tomorrow.

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  • sum of Times in SQL

    - by LIX
    Hello all, I have some records like this: ID Personel_Code Time --- ------------- ------ 1 0011 05:50 3 0011 20:12 4 0012 00:50 I want to have the sum of times for each person. in this example I want to have the result like this : Personel_Code Time ------------- ----- 0011 26:02 0012 00:50 Thank you.

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  • assigning a specific record in a ResultSet to a variable

    - by kilhra
    Hi I want to retrieve a set of records from a database, do a rs.next() and then assign the result of this to a variable to pass to a method that will use this record, in the same way that I would without assigning it to a variable and passing it to a method is there any way to do this? I'm using JAVA (1.5)

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  • Adding rows to an array in PHP

    - by ChuckO
    I have loaded an associative array of records from a MySQL database table. The array consists of 1 to 7 rows representing one week of entries, which might not have been entered for each day. How can I insert blank rows into the array for the missing days so that I can easily display the data in a table? I don't need to update the database with the blanks.

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  • Haskell, mongodb, date

    - by r.sendecky
    How would I insert or auto insert date into mongodb from haskell? What is the best way to convert from mongo date type to haskell data type? Say, in a situation where I insert blog post records (any haskell web framework) and I want to date stamp every record automatically. How would I go about it? The question is more about type conversion and mongodb date type creation from within haskell driver.

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  • MBR status confusion

    - by Ahmed Ghoneim
    EB 58 90 6D 6B 64 6F 73 66 73 00 00 02 08 20 00 02 00 00 00 00 F8 00 00 3E 00 83 00 00 00 00 00 94 88 7E 00 98 1F 00 00 00 00 00 00 02 00 00 00 01 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 29 A9 38 B1 34 57 61 76 65 20 20 20 20 20 20 20 46 41 54 33 32 20 20 20 0E 1F BE 77 7C AC 22 C0 74 0B 56 B4 0E BB 07 00 CD 10 5E EB F0 32 E4 CD 16 CD 19 EB FE 54 68 69 73 20 69 73 20 6E 6F 74 20 61 20 62 6F 6F 74 61 62 6C 65 20 64 69 73 6B 2E 20 20 50 6C 65 61 73 65 20 69 6E 73 65 72 74 20 61 20 62 6F 6F 74 61 62 6C 65 20 66 6C 6F 70 70 79 20 61 6E 64 0D 0A 70 72 65 73 73 20 61 6E 79 20 6B 65 79 20 74 6F 20 74 72 79 20 61 67 61 69 6E 20 2E 2E 2E 20 0D 0A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA Learning disk records, this is my USB MBR record viewed by bless on ubuntu formatted with disk utility as MBR table and FAT partition, referring to this Wiki of first record status (0x80 = bootable (active), 0x00 = non-bootable, other = invalid ) but my MBR shows first offset as EB. What's this record stands for ? also, can you provide me with good tables/images tutorials for MBR and other disks' records :)

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