query « Statement « Java Database Q&A





1. What is the difference between setting statement fetch size in JDBC or firing a SQL query with LIMIT clause?    stackoverflow.com

What is the difference between setting statement fetch size in JDBC or firing a SQL query with LIMIT clause?

2. How to use sql query with IN for a select statement in Java    stackoverflow.com

I need to us a sql query in java that has an IN clause in it. I have seen suggestions for doing this when the IN clause is a predetermined ...

3. Data mapping optimization: X database queries vs. Y Java if statements    stackoverflow.com

Currently we retrieve a List of objects from the Spring SimpleJdbcTemplate. The first query is a select * to retrieve all records that we will want to be our "keys" ...

6. how can i write a user defined query statement    coderanch.com

this function is just like most site provided, there are several options, user can specify values for some options, but don't have to specify all of them, e.g. to find users, there are some options such as: age arrange, sex, occupation, living place, height..., user can specify values for some of them, so that to shrink search result. how can i ...

8. Insert Query using select statement    coderanch.com

Actually i have a requirement to insert into table by selecting two columns from other table and one hard coded value is given in the query. insert into tstore (firstname,lastname,id) values ((select firstname,lastname from user where userid='eshwar'),219) Here i want firstname and lastname from user table into tstore table and just id is different and hence i have hardcoded as 219 ...

9. Multiple queries on single statement    coderanch.com

Back when I was starting JDBC I used to open many result sets, often nested, such as how you would have 2-3 levels for loops, but in this case with statements and result sets. Not only was the code hard to maintain, but it was confusing to read data from the database, unsafe, and did not perform well. As I developed ...





10. If and else statements in SQL Query    coderanch.com

11. Are there any problems using the same statement for multiple queries?    coderanch.com

I have been reading a litle about the topic around the internet but i have found people that says that you can't do it (so it is not possible) and other people that says you can do it with no problems, for your information i have used the same statement for multiple queries, but i wonder if there's any problem or ...

13. Can i use the same statement and resultset objects for executing multiple query?    java-forums.org

hi, i just want to know whether, i can use the same statement and resultset objects for execuing multiple query? The scenario is like this try{ // Get the connection object //Declare resultset //declare statement String queryA="select * from xyz"; String queryB = "select * from abc"; //Executing first query stmt = conn.createStatement(); rs = stmt.executeQuery(queryA); ******************* // DO I NEED ...

14. dynamic insert query statement    java-forums.org

I have to insert 5 column value into the table from which 4 column values comes in one table and other one is dynamic value. I am using the below insert statement but it takes dynamic value null ? insert into weekly_plan(SHIFT_ID,ASSOCIATE_ID,ADDRESS_ID,LOCAL ITY_ID,SUB_LOCALITY_ID,WEEK_DAY) (SELECT LOGIN_SHIFT_ID,AP.ASSOCIATE_ID,LOGIN_ADDRESS_ID,AD R.LOCALITY_ID,ADR.SUB_LOCALITY_ID,@enterDay FROM ASSOCIATE_PLAN AP,ASSOCIATE_ADDRESS ADR WHERE AP.ASSOCIATE_ID=ADR.ASSOCIATE_ID AND AP.LOGIN_ADDRESS_ID=ADR.ADDRESS_ID);