Database with mixed collation (utf8mb4 & utf8_general_ci)

Related Posts:

1. Please explain how WordPress works with MySQL character set and collation at a low level
2. Custom DB_COLLATE (collation) value not working on fresh install?
3. WordPress mysql table double prefixes
4. How do I convert a MySQL database from utf8mb4 to utf8 encoding?
5. Query multiple tables at once?
6. Why does changing Database Table Prefixes result in loss of content?
7. How to edit custom table data in frontend
8. How to map data on CSV to web pages?
9. Have WordPress Use a Different Database for users
10. #1067 – Invalid default value for ‘post_date’ when trying to create a new column
11. Count views without get_post_meta
12. Rename a table in MySQL
13. How should I tackle –secure-file-priv in MySQL?
14. Can’t connect to MySQL server on ‘127.0.0.1’ (10061) (2003)
15. Can’t connect to MySQL server on ‘127.0.0.1’ (10061) (2003)
16. Can’t connect to MySQL server on ‘127.0.0.1’ (10061) (2003)
17. MySQL SELECT increment counter
18. phpMyAdmin – Error > Incorrect format parameter?
19. Failed to connect to mysql at 127.0.0.1:3306 with user root access denied for user ‘root’@’localhost'(using password:YES)
20. Using wpdb to connect to a separate database
21. MySQL Database User: Which Privileges are needed?
22. Why is my database import losing text widget data?
23. Will it break my site if I delete all transient records in wp_options table?
24. Checking if Database Table exists
25. WordPress (MyISAM) database is slow, should I switch to InnoDB?
26. The MySQL alternatives: Do Percona Server and MariaDB work well with WordPress, and do they make WordPress go better?
27. How to fetch Data in WordPress using MySQLi or $wpdb
28. WordPress Database lost auto increment
29. Connect to database using wordpress wp-config file
30. wpdb->insert multiple record at once
31. Reset Post IDs to less than 64bit integer
32. How To Export/Import WordPress (MySQL) Database Properly Via Command-Line?
33. Restoring WordPress posts from database only
34. WordPress database scalability from the code perspective
35. WordPress Unit Testing – Cannot Create Tables
36. How to define composite keys with dbDelta()
37. Insert data in database using form
38. How to stop WordPress using utf8mb4_unicode_520_ci collation?
39. Is it possible to define two databases for one installation?
40. Does WordPress use the InnoDB engine for MySQL by default?
41. When is it appropriate to create a new table in the WordPress database?
42. Has parent field in the table wp_term_taxonomy has term_id or term_taxonomy_id
43. Slow wp_term_relationships query
44. How to use “TRUNCATE TABLE” MySQL statement?
45. Can I use MariaDB instead of MySQL in wordpress?
46. Using Dynamic Data Pulled from a MySQL Table in a WordPress Page
47. How To Make Connection To WordPress Data Base In A Plugin?
48. WordPress for a very large website
49. What are conventions about the schema of the $table_prefix
50. Split WP install between 2 databases?
51. Inserting Post Meta From SQL
52. WooCommerce with thousands of products – site is very slow – optimize db queries? [closed]
53. Migrating non-WordPress CMS to WordPress, lots of data to move — possible solutions?
54. Why does dbDelta() not catch MysqlErrors?
55. BuddyPress: What’s the use of wp_bp_xprofile_data table and how does it get updated? [closed]
56. Is deleting orphaned wp_options entries safe?
57. Is altering a default WordPress database table update safe?
58. How to solve slow WordPress site caused by attachment_metadata
59. Huge wp_options table
60. “MySQL server has gone away” since update to 3.8
61. Delete all post meta except featured image
62. What causes the “max_user_connections” warning on WordPress frontend?
63. what to do when your WordPress database is too large?
64. Change all http to https in mysql databse?
65. WooCommerce – Query for ordered products
66. Large database causes slow load
67. Error establishing a database connection – with Debug Data
68. How to execute mulitple statement SQL queries using $wpdb->query?
69. stdObject stored in database. How does one convert it to usable format?
70. Delete duplicate rows from wordpress database where a column is duplicate in phpmyadmin
71. Database slowdown after update to 3.4.1
72. Can I transfer a mysql database to another site?
73. WordPress and automated MySQL backups to a different host
74. Query WordPress database by registered date and role
75. MySQL Syntax Error upon restoring database from backup [closed]
76. Tons of Twitter rows in my database
77. Help running a MySQL query to update all wp_#_options tables in a Multisite install
78. How to insert data into MySQL database from the form created in WordPress site
79. Set Display Name to first and last name (phpmyadmin SQL Query)
80. Size article thumbnails and retrieve them directly from database
81. WordPress site uses MyISAM, should I switch to InnoDB necessary?
82. Is it safe to convert tables from MyISAM to InnoDB?
83. Emojis getting converted to “?”
84. Migrating database / content of non-CMS site to WordPress
85. Does WordPress ever need multiple databases?
86. Why are no posts showing despite my apparently correct DB restoration?
87. Select Multiple meta_value from WP DB; Single Query
88. Delete all post meta except featured image Using SQL
89. Which is more efficient? Using usermeta, or creating a new MySQL table?
90. How do I properly update the WordPress database password?
91. wpdb_prepare with multiple or condition
92. Is it possible to split database tables using HyperDB?
93. Adding new row to wp_post table
94. WordPress Install and Database on separate hosting?
95. Moving to another host; which tables to move in a database
96. What happens if I overwrite the current wp_options table with a backup from a week ago?
97. SQL Error wp_commentmeta – incorrect table definition
98. WordPress database error – Error in SQL syntax – I can’t identify any error?
99. CRUD operations using WordPress database API
100. WordPress and MySQL: how to transfer Meta_key and Meta_Value from one post_id to another