What is meant by mysqli?
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What is Foreign Key? What is the main difference between primary key and Foreign Key ? How Foreign Key can be defined? Is Foreign key is used to join two or more table?
How can I insert images into a Mysql database?
What are the differences between char and nchar?
What is a storage engine?
What is the query to display top 20 rows?
How many triggers are possible in mysql?
Does adding an index lock a table?
How many primary keys can be there in a table?
Explain csv tables.
What is ISAM?
What is the difference between sql and mysql and oracle?
For the database from the previous question, please give an SQL query which returns the invoice number of all invoices which contain the article with the number ?1234?. The query should be able to run under a MySQL 4.0 database.