Podcast
Questions and Answers
What is the purpose of the SQL SELECT statement?
What is the purpose of the SQL SELECT statement?
- To delete data from a database
- To update data in a database
- To select data from a database (correct)
- To insert data into a database
In the SQL SELECT statement, what does 'column1, column2,...' represent?
In the SQL SELECT statement, what does 'column1, column2,...' represent?
- Field names of the table (correct)
- Foreign key columns
- Database name
- Primary key columns
What does the '*' symbol represent in the SQL SELECT statement?
What does the '*' symbol represent in the SQL SELECT statement?
- Primary key
- All columns (correct)
- All rows
- Foreign key
What is the purpose of the table_name in the SQL SELECT statement?
What is the purpose of the table_name in the SQL SELECT statement?
SQL SELECT statement is used to insert data into a database.
SQL SELECT statement is used to insert data into a database.
The '*' symbol in the SQL SELECT statement represents all columns.
The '*' symbol in the SQL SELECT statement represents all columns.
The SELECT statement is used to retrieve data from a database.
The SELECT statement is used to retrieve data from a database.
To return all columns in a table without specifying each column name, you can use the SELECT * syntax.
To return all columns in a table without specifying each column name, you can use the SELECT * syntax.
The SQL SELECT statement is used to delete data from a database.
The SQL SELECT statement is used to delete data from a database.
In the SQL SELECT statement, 'column1, column2, ...' represent the field names of the table you want to select data from.
In the SQL SELECT statement, 'column1, column2, ...' represent the field names of the table you want to select data from.
To return all columns in a table without specifying each column name, you can use the SELECT * syntax.
To return all columns in a table without specifying each column name, you can use the SELECT * syntax.
