MySQL display purposes
True/false questionWhen declaring data types: INT(1) uses 1 bit while INT(20) uses 20 bits. Please choose: True or False.
View ArticleMySQL full scan a table
Multiple choice questionHow can you force MySQL to full scan a table (meaning force MySQL to ignore all indexes and choose to full scan the table in order to execute the given query)?
View ArticleJoin Decomposition
Multiple choice questionJoin decomposition is a process of decomposing a join: running its single table queries parts and then composing the results at the application side. Can join decomposition give...
View ArticleInserting NULL as value to auto increment column
Multiple choice questionWhat is the result of trying to insert NULL as value to an "auto increment" column?
View ArticleMySQL User Defined variables
Multiple choice questionBy using User Defined Variables one can store a value and then refer to it later. This enables passing values from one statement to another. User Defined Variables is a powerful...
View ArticleMySQL Performance Quiz
Questions:12Attempts allowed:UnlimitedAvailable:AlwaysPass rate:75 %Backwards navigation:AllowedTake this MySQL performance quiz. MySQL Query and index optimization are the first and most important...
View ArticleMySQL Quiz
Questions:23Attempts allowed:UnlimitedAvailable:AlwaysPass rate:75 %Backwards navigation:AllowedMySQL quiz test your knowledge in MySQL queries. There are questions about NULL, number of data types,...
View ArticleMysql SELECT INTO OUTFILE
Multiple choice questionSELECT ... INTO OUTFILE writes the selected rows to a file. On which location? On the server file system or the client file system?
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