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Recent questions tagged database

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1 answer 2 views
What is the difference between SQL server 2012 and 2014
asked 23 hours ago miki 770 points
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1 answer 4 views
How to drop all tables in SQL
asked 1 day ago miki 770 points
0 votes
1 answer 5 views
how to update data in php using form
I need to update my database but it seems not working. I posted my code here. I don&rsquo;t know what&rsquo;s wrong with this code. Can somebody help me? The record already exists in my database with the id of 1. But when I execute this code, and make an entry, then click the update ... "> </td> </tr> </table> <input name="save" type="submit" id="update" value="Update"> </form> </body> </html>
asked 1 day ago azriel 360 points
0 votes
1 answer 4 views
Store data from HTML form to a database
asked 1 day ago miki 770 points
0 votes
1 answer 7 views
How to find second highest salary in sql
asked 3 days ago SapperIt 1.2k points
0 votes
1 answer 6 views
Are table variable and temp table the same in SQL?
asked 4 days ago miki 770 points
0 votes
1 answer 7 views
Selecting tables containing a column name
asked 4 days ago miki 770 points
0 votes
1 answer 11 views
SQL Server: how to create a table if not exists
asked Oct 13 miki 770 points
0 votes
1 answer 8 views
how to fetch data from one table and insert into another table in php
I need to copy a table information from one database to another table of another database. Is it possible for me to do it? if it is, can someone help me? Thank you!
asked Oct 12 robin_gallo 300 points
0 votes
1 answer 9 views
how to retrieve data from database using ajax without submit
Is there any tutorial that will show how to display database record without without pressing the submit button? For example, <select name="cars"> <option value="">Select a car:</option> <option value="1">Volvo</option> <option value="2">BMW</option> ... > </select> In this example, the user will select anything from the list and should automatically display the information based on the selection.
asked Oct 11 azriel 360 points
0 votes
1 answer 4 views
Primary key and Foreign key
What is the difference between primary key and foreign key in SQL?
asked Oct 11 sikandar 2.4k points
0 votes
1 answer 4 views
Primary key and Unique key
What is the difference between primary key and unique key in SQL?
asked Oct 11 sikandar 2.4k points
0 votes
1 answer 6 views
How to insert hindi text in mysql database using php
I am finding difficulty to insert hindi text in MySQL database using PHP
asked Oct 4 Daniel Anderson 4k points
0 votes
1 answer 8 views
How to upload image in database using jsp and servlet
I am finding difficulty to upload image in database using jsp and servlet.
asked Oct 4 Daniel Anderson 4k points
0 votes
1 answer 7 views
How to display data from database in jsp using servlet
We need to retrieve data from database applying servlet and show it into a jsp file, however what is retrieved is only the first row of the table.
asked Sep 29 Daniel Anderson 4k points
0 votes
1 answer 9 views
How to display image in jsp from database using servlet
We are unable to display image from the database into our jsp page and we still can&rsquo;t understand where the problem is?
asked Sep 28 Daniel Anderson 4k points
0 votes
1 answer 5 views
How to retrieve data from database in jsp using eclipse
We are retrieving data from database and displaying it in table in a JSP however we don't have any idea about how to display it on text fields. Can anyone here help us with coding ?
asked Sep 26 Daniel Anderson 4k points
0 votes
1 answer 3 views
How to check username already exist in database in java
Basically we are trying at the time of registering users in a database table, we need to ensure that every user's email address or username is unique.
asked Sep 26 Daniel Anderson 4k points
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