• Do we have too many records in our MySQL InnoDB?

    We currently have a MySQL InnoDB that has millions of records. We're worried that it's too much for the database. Would you agree? Can the database handle this? Just because we noticed that several of our queries are much slower now. Thank you.

    ITKE409,090 pointsBadges:
  • Error message when importing SQL file: MySQL server has gone away

    I recently tried to import one of my large SQL files through phpMyAdmin but this odd error message keeps popping up: MySQL server has gone away. What does that mean? What can I do about this?

    ITKE409,090 pointsBadges:
  • Linux script to see what data has been changed in the past day

    My department is running a MySQL server on a Ubuntu machine. We noticed that someone changed some data in the past day but not sure of who did / what was changed. Is there a Linux script that could tell us what's been modified? This includes file names and file sizes. Thank you.

    ITKE409,090 pointsBadges:
  • Drop user on MySQL

    Hello again experts! Can I check if one specific user exists in MySQL and then drop him. The user doesn't work at the company anymore. I'm not sure if there's a way. Thanks.

    ITKE409,090 pointsBadges:
  • Open connections on MySQL database

    I currently have administrative privileges in MySQL for my job. For one of our databases on the server, is it possible for me to see all of the open connections?

    ITKE409,090 pointsBadges:
  • When was MySQL table last updated?

    For one of my MySQL tables, I'm looking to add a 'footer' at the bottom of the page saying when it was last updated. Is there a way to do that? Thanks.

    ITKE409,090 pointsBadges:
  • Cleaning MySQL InnodB storage engine

    I have a friend who needs to clean his MySQL InnoDB storage engine because it's still storing data from deleted tables. Is it possible to do that? Does he have to create a new database every single time? Thank you.

    ITKE409,090 pointsBadges:
  • How to export / import MySQL databases

    For my job, I have to make sure to backup all of our MySQL databases (there's over 100). For this, can I export all of them at the same time, followed by importing them into the server? Is that possible?

    ITKE409,090 pointsBadges:
  • Is a MySQL primary key indexed automatically?

    Hello experts, Would anyone know if a primary key is automatically indexed in MySQL? Do I actually have to create the index? Also - would this be possible in InnoDB too? Thanks!

    ITKE409,090 pointsBadges:
  • MySQL database export using Command Prompt

    I have a pretty large MySQL database and I need to export it ASAP. Can I use the Command Prompt to do this? Or is there another way?

    ITKE409,090 pointsBadges:
  • What data type should I use for storing currency values in MySQL?

    I'm using MySQL and I'm wondering what's the best data type if I want to store currency values in it. Is there a certain command?

    ITKE409,090 pointsBadges:
  • See indexes on MySQL database

    Specifically for MySQL, can I see if my database has any indexes? If not the database, can I see on a particular table? Appreciate the help.

    ITKE409,090 pointsBadges:
  • Select all MySQL columns except for one

    Is there a statement in MySQL that would select all of my columns (except for one specific column) in a table? Please note that there's roughly 50 columns in total. Thanks for the help!

    ITKE409,090 pointsBadges:
  • Trace MySQL queries on Linux server

    I'm using my Linux server and I was hoping there's a way to trace all of my live MySQL queries. Is that possible? I have a listener set up already (if that helps).

    ITKE409,090 pointsBadges:
  • Show last MySQL queries on servers

    How can I show the last queries executed on all of my servers in MySQL? Is there a specific query to do this?

    ITKE409,090 pointsBadges:
  • Replace MySQL word string

    For MySQL, I currently have a column that contains URLs. In the URLs, I need to change a word - from update to news. How can I do that? Using a script?

    ITKE409,090 pointsBadges:
  • Is it possible to restore MySQL database from FRM MYI and MYD files only?

    I accidentally deleted  my database while testing mysql work bench. As its a relatively new DB on a new server, I had no back up running. Luckily I can see some FRM, MYI and MYD files. Afaik I had both innodb and Myisam tables and some stored procs. So is there any chance at all recovering the DB...

    FrankKelly5 pointsBadges:
  • How to use Data Replication features with using MySQL Replication

    How can I use Data Replication features with using MySQL Replication?

    Rahul235 pointsBadges:
  • How to implement middleware?

    We are building Android Mobile application and a server web application in PHP and Database in MySQL. We are going to host it online and release the app in Google store, since the number of users using the app is less at the begging, I’m confident that our client server model of implementation...

    vatsa133120 pointsBadges:
  • Free online practice exercises on SQL/Oracle

    I would like to know is there any website which offers free practice exercises on SQL/Oracle queries? Preferably advanced level queries. Thanks, Kruti

    Kpatel0 pointsBadges:

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