Explanation:
To select all columns from a table named "Persons" in SQL, you would use the following SELECT statement:
SELECT * FROM Persons;
Explanation:
The SELECT statement is used to extract data from a database. It allows you to specify which columns you want to retrieve from a table and any filtering criteria or sorting instructions that you want to apply to the data.
Explanation:
To select a column named "FirstName" from a table named "Persons" in SQL, you would use the following SELECT statement:
SELECT FirstName FROM Persons;
Explanation:
The DELETE statement is used to delete data from a database. It allows you to specify which table you want to delete data from and any filtering criteria to identify which rows should be deleted.
Explanation:
The INSERT INTO statement is used to insert new data into a database. It allows you to specify which table you want to insert data into and the values that should be inserted into each column.
Explanation:
The UPDATE statement is used to modify or update data in a database. It allows you to specify which table you want to update, which columns you want to modify, and the new values you want to set for those columns.
