Note that I'm not actually doing anything with a database here, so ORM tools are probably not what I'm looking for.
I want to have some containers that each hold a number ... |
How can I detect if a certain table exists in a given SQL database in Java?
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I need to build a table from SQL select result set. I want to add some paging functionality to the table because the result set can be very large. There was ... |
I've got the following function that I wish to call:
CREATE OR REPLACE PACKAGE utils AS
TYPE item_list IS TABLE of items.item_id%TYPE;
FUNCTION getParentsForItem(p_item_id IN items.items_id%TYPE)
RETURN item_list;
END utils;
But I'm unsure of how to bind ... |
I am inserting a row in one table say appcapacity using stored procedure at every 1 min using timer task in java. I am monitoring that table in admin side as ... |
I want to create a table and this table's name will be inserted from a textfield. However when I run the query it's giving me an error, any help on this ... |
I have a 2D array
public static class Status{
public static String[][] Data= {
{ "FriendlyName","Value","Units","Serial","Min","Max","Mode","TestID","notes" },
{ "PIDs supported [01 – 20]:",null,"Binary","0",null,null,"1","0",null },
{ "Online Monitors since DTCs cleared:",null,"Binary","1",null,null,"1","1",null },
{ "Freeze DTC:",null,"NONE IN MODE ...
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I am creating tables from java on the fly as they are needed. Now to define constraints and indexes on these tables we need to come up with unique names.
I am ... |
I have two different tables containing similar data but slightly different format.
Is it possible to return search results from both tables? I also need to paginate these results.
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I need a way for my java layer to inspect what constraints exist for all files/tables within a particular library (on an IBMi/iSeries/System-i/AS400 system). I know that I can query ... |
So, I am accessing a SQL Server 2005 table from java J2EE using preparedStatements. The jars are deployed on two servers and run in parallel.
The process is as follows :
- select ...
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Is it possible to have AJAX output to html, rather than plain-text?
I have a file that pulls a class result from an SQL database. The database connection works, and it prints, ... |
we have source table which is updated from various external systems. i require the destination table (in diffrent server) to be in sync with this source table. the destination table is ... |
In the SQL, we need to write a lot, multi-level join. but the problem is, we don't now how to connect those tables?
For example, Table_A reference Table_B, Table_B reference Table_C using ... |
When I look a Db schema or a diagram it is obvious to figure out if there is a many-to-many relationship between two tables.
But how can I analyze this from the ... |
Im trying to parse a SQL table creation script in Java.
Ive currently got the following pattern:
Pattern p = Pattern.compile("(.+)([ ]+)(.+)([ ]+)(.+)");
i.e a group of any chars (column name), followed by one ... |
I am working on core java and SQlcipher to generate the encrypted table.
I am able to find out the SQLite database related code and documentation, but not able to get
anything related ... |
If I have an sql table that consist of one million rows. Let's say a user table.
What type of software do I need, in order to handle 10 read/write every second. ... |
This table is available for the JDBC 3.0 in section 9.9.7 of the JDBC 3.0 API reference.
I've downloaded the JDBC 4.0 specification (jdbc4.0-fr-spec_.pdf), but this table is ... |
Hi there, I registered a derby db under database services. When I want to run a query to see the content of a table, no results are shown. Even no result ... |
Hi, I need some clarification. Could someone explain what the Driving table is, and what its significance is? I'm trying to optimize my query....what are the things that I should keep in mind when optimizing ? As far as I know,a Driving table is the table that is accessed first in a select statement. In the following statement: SELECT * FROM ... |
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Hi I had created an database tables and written many stored procedures in Microsoft Sql. The server was changed, so I am accessing another server. Now I have 2 files called "all.sql" and "tables.sql" . How do we create the previous tables and stored procedures using these 2 files. Thanks in advance Naveen |
There is a rule of thumb for database multicolumn index that says "put the most selective column first in the index definition". Usually it will give better performance. But, did the ordering of WHERE clause conditions have performance impact to the query on a table with multicolumn index? Consider this scenario: Table BID has columns USERID, ITEMID, DATE. Assuming USERID has ... |
Hi, I have problems with a query I know to be rather simple, but I'm away from SQL for quite some time now, so it's giving me a real headache. I have a table PARTS which contains parts with START and ENDING, ENDING can be NULL. Every part belongs to a certain structure so it has a STRUCTURE_ID as well. Structures ... |
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Hello, If my query makes any sense...perhaps someone can explain how correlation affects it? My SQL error message: Tables or functions 'MainProduct' and 'MainProduct' have the same exposed names. Use correlation names to distinguish them. My SQl Statement: Select MainProduct.Title, MainProduct.Descr, MainProductType.Descr, NolaProductInfo.IERID, NolaSubBasin.Name, NolaVicinity.Name From MainProduct, NolaProductInfo LEFT JOIN NolaSubBasin on NolaProductInfo.SubBasinID = NolaSubBasin.ID LEFT JOIN NolaVicinity on NolaProductInfo.VicinityID = ... |
Lao, There's no such thing as a stupid question and novice questions are welcome. 1) A Java programmer should know how to write basic select queries - joins, aggregates functions, group by, etc. A Java programmer should also know how to write insert/update/delete queries. For any application with large amounts of data, it is also important to know about indexes and ... |
Sandeep
Sun Certified Programmer for Java 2 Platform
Oracle Certified Solution Developer - JDeveloper
-- Oracle JDeveloper Rel. 3.0 - Develop Database Applications with Java
-- Object-Oriented Analysis and Design with UML
Oracle Certified Enterprise Developer - Oracle Internet Platform
-- Enterprise Connectivity with J2EE
-- Enterprise Development on the Oracle Internet ... |
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I need to figure out which Java programs use which DB2 objects, particularly tables. If you have a program using static SQL, there's a record of every use of DB2 objects by that program in the system catalog. With dynamic SQL, you've got no record in the system catalog for, say, a package that's part of a Java program, and thus ... |
I am looking for a Java component for maintaining lookup tables in a SQL database (I should be able to configure the datasource to various types of databases). The component should allow me to choose from a list of tables, and add, edit and delete individual rows. It should automatically generate web based data entry forms displaying a grid of these ... |
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[/CODE] and I get the error below. The database name is same as the table name. Is it wrong? [error] java.sql.SQLException: [Microsoft][ODBC Microsoft Access Driver] Could not find output table 'PatientDB'. at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6958) at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7115) at sun.jdbc.odbc.JdbcOdbc.SQLExecDirect(JdbcOdbc.java:3111) at sun.jdbc.odbc.JdbcOdbcStatement.execute(JdbcOdbcStatement.java:338) at sun.jdbc.odbc.JdbcOdbcStatement.executeUpdate(JdbcOdbcStatement.java:288) at Screen.AddPatient(Screen.java:209) at __SHELL1.run(__SHELL1.java:8) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at bluej.runtime.ExecServer$3.run(ExecServer.java:858) [/error] |
Hi, I am faced with a peculiar requirement which is as follows: A network-intensive operation is triggered to a server by multiple clients, through a web-interface. However, only one operation is allowed at a time, and hence an entry(tuple) is made in an SQL table to indicate that the operation is in progress. Once the operation is complete (irrespective of success ... |
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two tables: calls & call_update I need a method to check if a call_num in my calls table already exists and if it does and has a change in any other field insert it into the call_update table Otherwise omit that entry altogether. Are we talking about running some queries, and writing java code to check for changes, then an insert ... |
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Thanks for the raply. I can connect to the db using a username and password, and run the query with no problem. I use the same username and password to make a jdbc connection from Java code. Since username and password are the same, does "permission" is still an issue? If yes, how can I solve it? |
But how can I do this with java. So far I am only using html and servlets. The DB is running on my microsoft SQL 2005 server and i'm using eclipse + myeclipse A 2nd question i'm having. I have a form with a checkbox and a boolen field in sql 2005. Does it accept the values standard generated from the ... |