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Welches Resultat gibt dieser Code aus?

int x= 8;
if (x > 6) {
    System.out.println("x is " + (x-5));
}
if (x < 4){
    System.out.println("x is " + x);
}

x is 3
x is 3

x is 3
x is 8

x is 8

x is 3

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What is the FROM keyword for in the SQL query?

Table Selection

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What are the features of each table in the database?

A table must have a unique name and one of all columns within the table must also have unique names.

Each table must have a unique name and the columns within the table must also have unique names.

Each columns must have a unique name but the table should not have a unique name.

Each table must have a unique name and the columns within the table should not have a unique name.

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Which sub-language includes CREATE, ALTER, DROP, TRUNCATE?

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What is the job of a database developer?

Debugging and patching,Documentation,Backup and recovery strategy

Performance monitoring, monitoring,Backup strategy and recovery strategy

Database object management,structure design,queries,creating and restoring databases stb.

Capacity planning and optimization,Performance tuning, optimisation

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What does DCL stand for?

Data Commit Language

Data Contain Language

Data Constraint Language

Data Control Language

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Which sub-language includes INSERT, UPDATE, DELETE?

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Which sub-language includes SELECT?

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Where does SQL fit into the computer language family?

There are query languages, which programmers use to write some kind of application, and markup languages, which are used to store data in a non-structured way. Finally, there are the program languages which are actually a way of accessing the data stored in markup languages. SQL belongs to this family.

There are program languages, which programmers use to write some kind of application, and markup languages, which are used to store data in a non-structured way. Finally, there are the query languages which are actually a way of accessing the data stored in markup languages. SQL belongs to this family.

There are markup languages, which programmers use to write some kind of application, and query languages, which are used to store data in a non-structured way. Finally, there are the program languages which are actually a way of accessing the data stored in markup languages. SQL belongs to this family.

There are program languages, which programmers use to write some kind of application, and query languages, which are used to store data in a non-structured way. Finally, there are the markup languages which are actually a way of accessing the data stored in markup languages. SQL belongs to this family.

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What are relational databases?

They are synonyms of spreadsheets.

They are lists of procedures and functions.

They are basis of unstructured data.

They are nothing more than entities with tables.

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