Invalid column index using PreparedStatement

I am trying to query same data. But the preparedStatement thrown an SQLException about wrong indexing even though the index start from 1 as the documentation said. Here is the function: public List<Paper1> search(String keyword) throws NotConnectedE

How can I index my SQL table?

I have two tables, the first is called Hotel and contains the following columns: hotelID, AverageRating, OverallRating, URL The second is called Review and contains: hotelID, Author, Content, Date, No. Reader, No. Helpful, Overall, Value, Rooms, Loca

angular.js how to tell google to index my site?

I've an angular.js app. I have followed google's guide for ajax based applications. I've done this: meta tags <base href="/"> <meta name="fragment" content="!"> angular.js config $locationProvider.html5Mode(true);

Quick implementation for very large indexed text search?

I have a single text file that is about 500GB (ie a very large log file) and would like to build an implementation to search it quickly. So far I have created my own inverted index with a SQLite Database but this doesn't scale well enough. Can anyone

How can I get adequate representation of levels in pandas.cut?

Is there an easy way to obtain the values of the levels produced by pandas.cut? For example: import pandas as pd x = pd.cut(np.arange(0,20), 10) x Out[1]: (-0.019, 1.9] (-0.019, 1.9] (1.9, 3.8] (1.9, 3.8] (3.8, 5.7] (3.8, 5.7] (5.7, 7.6] (5.7, 7.6] (

Index and access odt files in solr

How can I post, index and search for content within an odt file stored in my solr_home directory? I have tried understanding and applying the below mentioned pages and have included a body field in the schema: Indexing text and html files Simple Post

Mysql does not use the index on a huge table

I have next table: CREATE TABLE `test` ( `fingerprint` varchar(80) COLLATE utf8_unicode_ci NOT NULL, `country` varchar(5) COLLATE utf8_unicode_ci NOT NULL, `loader` int(10) unsigned NOT NULL, `date` date NOT NULL, `installer` int(10) unsigned DEFAULT

Why am I allowed to have two clues with the same name?

I have a large .sqlproj project. In one .sql file I have one table definition: CREATE TABLE [dbo].[TableOne] ( [ColumnName] UNIQUEIDENTIFIER NULL ); GO CREATE UNIQUE CLUSTERED INDEX [TableOneIndex] ON [dbo].[TableOne]([ColumnName] ASC; In another .sq

Does this query use indexes, in MySQL?

I'm not sure if this query is using indexes or not. How do I tell? mysql> EXPLAIN SELECT au.* FROM users au WHERE au.id IN(SELECT fa.from_user_id FROM approvals fa INNER JOIN personas pp ON fa.persona_id = pp.id WHERE fa.to_user_id=1 AND pp.is_founda

Why do I get index search?

I am running below query and as it's returning almost all records from the table, it should be using index scan not seek. Anyone, please explain why it's using seek not a scan. DROP TABLE tblPlanDiff GO CREATE TABLE tblPlanDiff(Sno int identity,Col_1

Find an exact position from a smaller list in a list (python)

So i Have a list which is something like this: list=[10.0, 10.0, 10.0, 9.9, 9.9, 9.9, 10.0, 9.9, 10.0, 10.0, 10.0, 10.0, 9.9, 9.9, 9.9, 9.9, 9.9, 9.9, 10.0, 10.0, 10.0, 10.2, 10.0, 9.9, 9.9, 9.9, 9.9, 10.0, 10.2, 10.0, 9.9, 10.0, 10.0, 10.0, 10.0, 10

Fuzzy Indexes in Hibernate Search

I understand fuzzy searches all and well, but in my application they are very slow with lots of terms (~500ms). I ran across a solution to slow fuzzy searches where it was suggested that instead of doing fuzzy searches, index the terms with the leven

Estimate the time of creation of the index in Oracle

I have some tables in Oracle enviroment which I have found could benefit from new indexes. However, they are big tables, ranging from 1M registers to 300M registers, so I would first try to estimate how much time it would take for the index creation

Error configuring Sql Server 2005 for full-text search

I am trying to index a table for full text search in a SQL server 2005. When I select the change tracking as Automatic and click on the next button, I get the following error TITLE: Microsoft SQL Server This wizard will close because it encountered t

Indexing databases

if we make an index on the primary key of a table how would it increase performance ,,,,as if the desired record afer creating the index might turn up in the end of the index list!!I think you're mistaken in your understanding of how indexes work. Th

How can I remove an item from a list?

I have a list and I want to remove a single element from it. How can I do this? I've tried looking up what I think the obvious names for this function would be in the reference manual and I haven't found anything appropriate.I don't know R at all, bu

How to return the index of a chain character to iPhone?

I want to split a few strings whose separate marks are different. e.g.separate a string: "A-B^C~D" So I want to get the index of each separate mark. Is there any method like indexOf(' ') on iPhone?NSString have a bunch of methods for finding cha

How to create a unique index on a NULL column?

I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS. My current solution involves a unique index on a view like so: CREATE VIEW vw_unq WITH SCHEMABINDING AS SELECT Column1 FROM MyTable WHERE Colum