Search Results

Search found 28685 results on 1148 pages for 'query performance'.

Page 391/1148 | < Previous Page | 387 388 389 390 391 392 393 394 395 396 397 398  | Next Page >

• optimizing the sql query by not repeating the math..

  - by user333747

  Here is the query in Oracle I was trying to remove the redundant math operation from: SELECT name, CASE when nvl(num1,0) + nvl(num2,0) - nvl(num3,0) > 0 THEN nvl(num1,0) + nvl(num2,0) - nvl(num3,0) ELSE 0 END as result, .... from .... How do I not repeat the summation above?

  Read the article

• how to this query in right syntax or right way??

  - by MZT

  i write this query using t-sql and give me an error (Incorrect syntax near the keyword 'OR') How to write it in correct way ? SELECT SUM(Quantity) FROM Invoices WHERE Invoices.InvoiceDocStatusID = CASE @InventoryType WHEN 1 THEN ((2)OR(1)) ELSE 2 END

  Read the article

• How to store MySQL query results in another Table?

  - by Taz

  How to store results from following query into another table. Considering there is an appropriate table already created. SELECT labels.label,shortabstracts.ShortAbstract,images.LinkToImage,types.Type FROM ner.images,ner.labels,ner.shortabstracts,ner.types WHERE labels.Resource=images.Resource AND labels.Resource=shortabstracts.Resource AND labels.Resource=types.Resource;

  Read the article

• restrict the scope of variables in a mysql query? with brackets?

  - by Haroldo

  I can't remember what the method is meant to be for ensuring the scope of a variable in a query is restricted to prevent mysql injection. where should i put brackets in the following examples? UPDATE table SET col_1 = '$var', col_2 = '$var2' WHERE col_1 = '$var3' and SELECT * FROM table WHERE WHERE col_1 >= '$var1' (Obviously looking for answers not using PDO!)

  Read the article

• Linq, how to delete items in the middle of a query return?

  - by 5YrsLaterDBA

  I got a list of objects in the following query. How to delete items in the middle, saying I want to delete item in 2, 5, and 7 position? thanks var archivedPwds = from archivedPwd in db.PasswordArchive where archivedPwd.UserId == userId orderby archivedPwd.DateChanged select archivedPwd;

  Read the article

• Update multiple table column values using single query in SQL??

  - by Manikandan S

  I have two tables like Temp1 and Temp2 The Table Temp1 have id and Col1 fields and The Table Temp2 have id and Col2 fields I need to update the two table fields Col1 and Col2 using single query in SQL. Can anyone help me??????

  Read the article

• How do I change this query to linq to sql?

  - by Piyush

  Query: select emp.empname as Name, dep.depname as Department from Employee as emp inner join Department as dep on emp.depid=dep.depid where emp.id='2' How can I change this to linq to sql?

  Read the article

• How can I "merge" or "flatten" results from a query which returns multiple rows into a single result

  - by dsm

  I have a simple query over a table, which returns results like the following: id id_type id_ref 2702 5 31 2702 16 14 2702 17 3 2702 40 1 2702 26 4 And I would like to merge the results into a single row, for instance: id concatenation 2702 5,16,17,40,26:31,14,3,1,4 Is there any way to do this within a trigger? NB: I know I can use a cursor, but I would really prefer not to unless there is no better way.

  Read the article

• SQL Server 2008 > how to get service startup parameter values by query?

  - by Sean Ochoa

  Is it possible to query for the SQL Server 2008 service startup parameter values using T-SQL? I'm specifically looking for the -g parameter that indicates how much memory that SQL Server will leave available for memory allocations within the SQL Server process, but outside the SQL Server memory pool [msdn reference].

  Read the article

• How do you do a 'like' query in appengine JPA?

  - by Mark M

  I know there is a limited version of a LIKE query in the App engine's datastore where you can only search on the end of a string but I can't seem to find the syntax. I want to do something like this SELECT * FROM MyTable WHERE name LIKE ji%

  Read the article

• Can i use a parameter multiple times in the qame query?

  - by djerry

  Hey guys, i was wondering, can a parameter be used more then once in the same query, like this : MySqlParameter oPar0 = new MySqlParameter("e164", MySqlDbType.String); oPar0.Value = user.E164; string sSQL0 = "Delete from callmone.call where (caller=?e164 or called=?e164);"; clsDatabase.ExecuteSQL(sSQL0, oPar0); Is this possible or should i write 2 parameters?

  Read the article

• SQL SERVER Query result in CSV format is possible?

  - by gopal

  Hi, Is it possible to get the query result in .CSV file format from SQL SERVER 2000 and above versions? If so can we use this feature from an asp.net application to get the result in CSV format? If so how can we do this?

  Read the article

• Possible to assign a data type to an anonymous type's members in a linq query?

  - by Abe Miessler

  If I have a linq query that creates the anonymous type below: select new { lf.id, lf.name, lf.desc, plf.childId }; Is it possible to assign a specific type to one of the members? Specifically I would like to make lf.id a null-able int rather than an int...

  Read the article

• In SQL, can we always write an inner join statement as a main query and subquery?

  - by Jian Lin

  In SQL, can we always write an inner join statement as a main query and subquery? For example, select * from gifts g where g.giftID in (select giftID from sentGifts); can do a join and show the gifts sent in the sentGifts table, but it won't be able to show the sentTime because that is inside the subquery?

  Read the article

• How to execute query with IN clause in spring?

  - by GK

  I have following code : try { MapSqlParameterSource parameters = new MapSqlParameterSource(); parameters.addValue("ids", year); return this.template.getJdbcOperations().query( "SELECT * FROM INCOME WHERE PROVNUM=? AND FISCALDATE IN ( :ids )", this.rowMapper, parameters); }catch (EmptyResultDataAccessException ex) { return null; } But i am not able to send the value for PROVNUM. how to do that? need help, thanks.

  Read the article

• Mysql query to get distict hotel id with minimum price and star?

  - by user1325929

  Current table hotel_id | price | star 1100 | 1999 | 3 1100 | 1565 | 3 1100 | 2000 | 3 1101 | 2010 | 4 1101 | 2050 | 4 1102 | 5599 | 5 1102 | 6599 | 5 Required result: distinct hotels with minimum price and it's star hotel_id | price | star 1100 | 1565 | 3 1101 | 2010 | 4 1102 | 5599 | 5 I wrote query as SELECT DISTINCT hotel_id, min(price),star FROM MyTable. It is giving only 1 row instead of 3

  Read the article

• Can I get the full query that a PreparedStatement is about to execute?

  - by ufk

  I'm working with PreparedStatement with MySQL server. example: String myQuery = "select id from user where name = ?"; PreparedStatement stmt = sqlConnection.prepareStatement(myQuery); stmt.setString(1, "test"); stmt.executeQUery(); ResultSet rs = stmt.getResultSet(); How can I receive the full SQL query that is about to be executed on the MySQL server? thanks!

  Read the article

• How do I modify the hundards of records based on my query result?

  - by Nano HE

  Hi, I inserted some error record to my table, I can query via the sql below and found hundards of record marked with half. SELECT * FROM `marathon` WHERE gender = 'male' && distance = 'half'; How to write a SQL then I can modify the result rows distance from 'half' to 'full'. Thank you.

  Read the article

• How to skip an empty LIKE operator in a multiple LIKE query?

  - by alex

  I notice my query doesn't behave correctly if one of the like variables is empty: SELECT name FROM employee WHERE name LIKE '%a%' AND color LIKE '%A%' AND city LIKE '%b%' AND country LIKE '%B%' AND sport LIKE '%c%' AND hobby LIKE '%C%' Now when a and A are not empty it works but when a, A and c are not empty the c part is not excuted so it seems? How can I fix this?

  Read the article

• How do I compare a DateTime column to now() in a query filter in SqlAlchemy?

  - by Ben

  I have a table with an 'expires' datetime column. I want to find all the items that have an 'expires' date earlier than now. I've tried session.query(Item).filter(Item.expires < now()) but it doesn't return anything regardless of the dates in the table. I'm using PostgreSQL 8.4. How do I do this comparison?

  Read the article

• What SQL query should I perform to get the result set expected?

  - by texai

  What SQL query should I perform to get the result set expected, giving the first element of the chain (2) as input data, or any of them ? table name: changes +----+---------------+---------------+ | id | new_record_id | old_record_id | +----+---------------+---------------+ | 1| 4| 2| | -- non relevant data -- | | 6| 7| 4| | -- non relevant data -- | | 11| 13| 7| | 12| 14| 13| | -- non relevant data -- | | 31| 20| 14| +----+---------------+---------------+ Result set expected: +--+ | 2| | 4| | 7| |13| |14| |20| +--+ I know I should consider change my data model, but: What if I couldn't? Thank you in advance!

  Read the article

• MYSQL Insert: How to save Query in the database only one time - duplicate key doesn't work!

  - by elmaso

  hello, I want to save a query only one time in the database, this is my code: $querystat = mysql_real_escape_string($_GET['q']); $datetime = time(); if( ($querystat != $_SESSION['prev_search']) OR ( ($datetime - $_SESSION['datetime']) > 60) ) { $insertquery = "INSERT INTO `query` ( `searchquery` , `datetime`) VALUES ( '$querystat' , '$datetime') ON DUPLICATE KEY UPDATE searchquery='$querystat';"; mysql_query($insertquery, $db); } maybe something with == 0 ?

  Read the article

• Can "Distinct" key Word be used twice in a single Select Query?

  - by OM The Eternity

  Can "Distinct" key Word be used twice in a single Select Query? like wise: select DISTINCT(trackid), DISTINCT(table_name) from jos_audittrail where live = 0 AND operation = UPDATE Thanks

  Read the article

• Whats query can be used to get the details of Indexes of any table?

  - by Parth

  Whats query can be used to get the details of Indexes of any table? I need this to find out primarykey/autoincremented value of any table.. Please help/Guide me...

  Read the article

• Is existed web markup languages with possibility insert sql query?

  - by MercurieVV

  Actually what I want - simple DB with simple User Interface. Like MS Access, but for web and it can be without Dragn n Drop, but described with markup language. For example if I want to create list report, then i need to write something like: <table query="SELECT * from mytable"></table> It needed for simple data applications. In that kind application no programming logic required. Just working with DB. Changing DB data and showing it.

  Read the article

< Previous Page | 387 388 389 390 391 392 393 394 395 396 397 398  | Next Page >