Tagged Questions
1
vote
2answers
75 views
How to optimize this code?
So I have this piece of code in Java(Android) to add a list of brokers to a local SQLite database as one single sql instruction.
public void Add(List<Broker> brokers)
{
if(brokers == null ...
2
votes
1answer
87 views
SQL PreparedStatement; Am I doing it right?
I am building a web app with a single (not pooled) full time (jdbc) connection between static classes and the database. This is expected to be a low traffic site and the static methods are ...
1
vote
2answers
188 views
How to optimize this SQL delete
I want to optimize the performance of this SQL query. If I populate this hashtable with one million keys the query will take around minute. How I can optimize this Java method for faster execution?
...
2
votes
1answer
375 views
Android SQL in its simplest form
I thought I would just post a really simple wrapper for those who don't want to implement the retarded SqliteOpenHelper, which is really, really stupid.
Below is a class to open/create a database, ...
5
votes
1answer
294 views
Android database interaction logic
I have a database-intensive app. Almost every activity requires access to the database, both reading and writing. I had a lot of problems with separate threads and activities on the stack closing ...
3
votes
1answer
154 views
Execute multiple query from a text file
I am just wondering if this is a correct way to execute multiple query from a text file.
Connection conn = Utility.getConnection();
Statement stmt = null;
try{
JFileChooser chooser = new ...
3
votes
4answers
601 views
Accessing the only element of Java ResultSet
Does this code look OK?
public Map<String, String> getById(long id) {
String sql = "select * from " + this._TABLE_NAME + " where id = ?";
PreparedStatement p;
Map<String, ...