How to Disable MySQL Strict Mode

MySQL’s, and MariaDB’s, strict mode controls how invalid or missing values in data changing queries are handled; this includes INSERT, UPDATE, and CREATE TABLE statements. With MySQL strict mode enabled, which is the default state, invalid or missing data may cause warnings or errors when attempting to process the query.

When strict mode is disabled the same query would have its invalid, or missing, values adjusted and would produce a simple warning. This may seem like the preferred result, however with strict mode disabled certain actions may cause unexpected results; for instance, when the value being inserted exceeds the maximum character limit it will be truncated to fit the limit. Continue reading “How to Disable MySQL Strict Mode”

Deleting Fields from Database Tables with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin.Now let’s learn how to delete fields from database tables.

  1. Select the details table here.phpma-delfield-frame3_1
  2. Let’s delete the city field.phpma-delfield-frame4_1
  3. Click the Delete (or Drop) icon and click Yes to confirm.phpma-delfield-frame5_1
  4. That’s it! We’ve successfully deleted the city field from our database table.

 

Modifying Fields in Database Tables with phpMyAdmin

 

  1. This tutorial assumes you’ve already logged in to phpMyAdmin.
  2. Now let’s learn how to modify fields in database tables.
  3. Select the details table here.phpma-modifyfield-frame3_1
  4. Let’s modify the address field. Click Change  icon.phpma-modifyfield-frame4_1
  5. Make the changes you want, then click Save.phpma-modifyfield-frame6_1
  6. That’s it! We’ve successfully changed the name of the address field to city.phpma-modifyfield-frame7_1

 

Inserting Fields into Database Tables with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin. Let’s learn how to insert fields into database tables.

  1. Select the details table here.phpma-insertfield-frame03_1
  2. In this case, let’s choose to add an address field AFTER the name field.phpma-insertfield-frame05_1
  3. Click Save when finished.phpma-insertfield-frame11_1
  4. That’s it! Our details table now has a new address field.phpma-insertfield-frame12_1

 

Copying a Database Table with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin. Now let’s learn how to copy a database table.

  1. Click the database table you wish to copy.phpma-copy-frame3_1
  2. Then click the Operations tab.phpma-copy-frame4_1
  3. When copying a table, you can choose to copy the table structure only, the data only, or both. Enter a name for the new table here, then click Go.phpma-copy-frame5_1
  4. Copying a table actually creates a new table altogether (that’s identical to the one we’re copying)….. so we have to give a name for the new table.
  5. That’s it! A new table has been created, and it is a perfect copy of the original. Both tables are now listed here.phpma-copy-frame6_1

 

Renaming Database Tables with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin. Let’s learn how to rename database tables.

  1. Click the database table you wish to rename.phpma-rename-frame3_1
  2. Then click the Operations tab.phpma-rename-frame4_1
  3. Enter a new name for the table here.phpma-rename-frame6_1
  4. Then click Go.
  5. That’s it! The information table has been renamed infotable, and is listed here.phpma-rename-frame7_1

 

Exporting Databases and Tables with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin. Let’s learn how to export a database.

  1. Click the database you wish to export here.phpma-export-frame03_1
  2. Then click the Export button.phpma-export-frame04_1
  3. In this case, we want to export the entire database in SQL format, so we can easily import it later. This is a good way to backup your database.
  4. Be sure to check any options you want before proceeding.phpma-export-frame06_1
  5. Check the Save as File check box, then click Go.phpma-export-frame11_1
  6. That’s it! The demo1234_members database has been exported to our local computer.
  7. If you only wanted to export a table, and not the entire database select the table you want to export and export just as you would a database.
  8. Remember that exporting tables only exports the selected tables within a database, whereas exporting a database will export all tables as well the data schema(provided they’re all selected).
  9. That’s it! The details table has been exported to its own file.

 

Importing Databases and Tables with phpMyAdmin

 

  1. This tutorial assumes you’ve already logged in to phpMyAdmin.
  2. Now let’s learn how to import a database.
  3. Click the database you wish to import here.phpma-import-frame03_1
  4. Let’s assume the data in our details table is corrupt, and we want to import a saved (exported) copy of the data.
  5. Therefore, let’s first delete the existing details table from our database.phpma-import-frame05_1
  6. Now let’s import the saved copy of our database, which includes the details table.phpma-import-frame07_1

    phpma-import-frame09_1

    phpma-import-frame14_1

  7. That’s it! The demo1234_members database has been successfully imported, as indicated here.

 

Creating Tables in a Database with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin. Let’s learn how to create a table within a database.

  1. Select the database here.phpma-createtable-frame03_1
  2. Enter a Name for your new table.phpma-createtable-frame04_1
  3. Then enter the number of fields this new table is to have. Click Go.phpma-createtable-frame05_1
  4. Now enter the details of each field within the new table.phpma-createtable-frame07_1
  5. The first field will be called id, and it will be an integer that’s 4 characters in length.phpma-createtable-frame08_1
  6. We also want this first field to be the Primary key that will be automatically filled in (auto_increment) when new entries are added to the table. Selecting this option makes the id field the Primary key in the table.phpma-createtable-frame13_1
  7. The remaining fields will be CHAR (character) fields. Be sure the length is set long enough to accomodate the fields.phpma-createtable-frame17_1
  8. When finished, click Save.phpma-createtable-frame22_1
  9. That’s it! Our new table (details) has been successfully created within our database(demo1234_members) as indicated here.phpma-createtable-frame23_1

 

Searching Through a Database with phpMyAdmin

This tutorial assumes you’ve already logged in to phpMyAdmin.  Now let’s learn how to use the Search feature.

  1. Click the database you wish to search here.phpma-search-frame03_1
  2. Then click the Search tab and enter words or values to search for in the database.
    phpma-search-frame04_1
  3. There are several options you can use to refine your search. This database only has one table (details), but if there were more, you could limit your search to specific tables here.phpma-search-frame05_1
  4. When ready, click Go to perform the search. This search found one match. Click Browse.phpma-search-frame06_1
  5. We can now make changes to the record that was found.phpma-search-frame10_1
  6. Click Go when finished.