sql

Update column using rows of a table, without using cursor or any other iteration.

Update Combined column using CategoryCode of every OrderId. In this example there are two OrderIds 990 and 986. Need to concatenate categories of these two individually. The desired result is like this. 990 Bus, Pub, Shoot, Club, Bus, Hos Thanks. ...

Problem in HQL query

I written a query in my sql like this: "select * from table_name order by col_name = 101 desc " Which is working perfectly fine in mysql but when I tried to convert this query into HQl query then it is throwing an exception.So can anyone suggest me that how to write HQL query for the above SQL query. ...

JPA : Inheritance - Discriminator value not taken into account in generated SQL

I try to use this mapping : @Entity @Table(name="ecc.\"RATE\"") @Inheritance(strategy=InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name="DISCRIMINATOR", discriminatorType= DiscriminatorType.STRING) public abstract class Rate extends GenericBusinessObject { ... } @Entity @DiscriminatorValue("E") public class EntranceRate extends R...

updating all other records

Hi, I've got a query below. I want to add a condition that if the parameter of @IsPrestigeFeatured = 0 then update all of the other rows <> PropertyId in the IsprestigeFeatured column to 0 and if @IsPrestigeFeatured = 1 then IsprestigeFeatured = 1 where propertyId = PropertyId. I've looked into case statements / if statements but I can'...

upgrade sql2000 to 2005

I have sql 2000 server and sql 2005 server running on the same box right now. I want to start upgrading my sql 2000 databases to sql 2005. What is the best way to do this? ...

How to save Map objects in Java to MySQL database

I have Java Map (out of Strings and Ints) objects that I want to save to a database. Is there a standard way to go about this task? Is there a way to compress the Map to take less space on the harddrive? ...

SUM minutes SQL server

HI guys, My litle problem goes like this : I have this columns : PHONE_NR , TIME ( time field ), Meaning the calling telephone number and call duration. I need to group phone nr and sum the minutes. Filds looks like this : nr time 726028xxx 00:07:07 735560css 00:07:37 726028xxx 00:07:55 ...

What is the fastest way to compare 2 rows in SQL?

I have 2 different databases. Upon changing something in the big one (i don't have access to), i get some rows imported in my databases in a similar HUGE table. I have a job checking for records in this table, and if any, execute a stored procedure, process and delete from table. Performance. (Huge amount of data) I would like to know ...

Cursor loops; How to perform something at start/end of loop 1 time only?

I've got the following in one of my Oracle procedures, I'm using it to generate XML -- v_client_addons is set to '' to avoid null error OPEN C_CLIENT_ADDONS; LOOP FETCH C_CLIENT_ADDONS INTO CLIENT_ADDONS; EXIT WHEN C_CLIENT_ADDONS%NOTFOUND; BEGIN v_client_addons := v_client_addons || CLIENT_ADDONS.XML_DATA; E...

DB2: Won't allow parameterize: 'fetch first <X> rows only'

Although in Oracle DB its is allowed to parametrize the number of rows that the query can fetch by adding to the query: select ... from ... where ... and rownum <= @MaximumRecords I can't add similar condition to acuivalent query running in DB2: It is allowed to add: select ... from ... where ... fetch first 500 rows only (where t...

Sql select rows containing part of string.

Hello! I want to write a comparation procedure (t-sql) for site seo. I have a table with field 'url' (nvarchar()) that contain a part of site url's. Ex: 'mysyte.com/?id=2'. Also this table for each url contains metadata, that i need to extract. The main problem is that full url on site looks like 'mysyte.com/?id=2&region=0&page=1', and...

MySQL index building performance

I tried to build an index over a two columns of a 30,000,000 entry database. I canceled the process after ~60hr as it didn't seem to work. For some reason MySQL takes only 22 mb ram instead of using the RAM fully. Is index building an operation that needs no Ram or is there some way to tell MySQL to use more RAM to be faster? ...

Similarity between strings - SQL Server 2005

Hi, I am looking for a simple way (UDF?) to establish the similarity between strings. The SOUNDEX and DIFFERENCE function do not seem to do the job. Similarity should be based on number of characters in common (order matters). For example: Spiruroidea sp. AM-2008 and Spiruroidea gen. sp. AM-2008 should be recognised as sim...

Format a money field in SQL without converting to varchar?

I need to be able to display a money field as $XX,XXX.XX, but without converting to varchar using total_eval = '$' + CONVERT(varchar(19),total_eval.opvValueMoney,1) My project uses sorting of the information after I pull this to sort the column and it doesn't sort correctly when the column is a varchar. Is there anyway to do this? Thi...

SQL Server identity issue

I have a query like below declare @str_CustomerID int Insert into IMDECONP38.[Customer].dbo.CustomerMaster ( CustomerName , CustomerAddress , CustomerEmail , CustomerPhone ) values ( ‘werw12e’ , ‘jkj12kj’ , ‘3212423sdf’ , ‘1212121′ ) select @str_CustomerID= scope_identity() After execution it returns null in my parameter. I want to ...

How does SQL Server treat statements inside stored procedures with respect to transactions?

Hi All! Say I have a stored procedure consisting of several separate SELECT, INSERT, UPDATE and DELETE statements. There is no explicit BEGIN TRANS / COMMIT TRANS / ROLLBACK TRANS logic. How will SQL Server handle this stored procedure transaction-wise? Will there be an implicit connection for each statement? Or will there be one tran...

Access to Oracle Database with sqlapi C++

Hi, I need to write some data in several database. I choose sqlapi.com I have made it for mysql and mssql. Now I have Problem with Oracle database. I have installed server and client on Ubuntu. In browser it works, but sqlapi says: libnnz10.so: cannot open shared object file: No such file or directory DBMS API Library 'libcl...

Why decimal behave differently?

Hello, I am doing this small exercise. declare @No decimal(38,5); set @No=12345678910111213.14151; select @No*1000/1000,@No/1000*1000,@No; Results are: 12345678910111213.141510 12345678910111213.141000 12345678910111213.14151 Why are the results of first 2 selects different when mathematically it should be same? ...

LogParser for Java

I just read this post and i wonder if there is something like this for querying jboss log file. ...

C# SQL: What is the best way to implement a dynamic table?

I want to allow the user to add columns to a table in the UI. The UI: Columns Name:__ Columns Type: Number/String/Date My Question is how to build the SQL tables and C# objects so the implementation will be efficient and scalable. My thought is to build two SQL tables: TBL 1 - ColumnsDefinition: ColId, ColName, ColType[Text] TB...