Examlex
The ____________________ key of a table (relation)is the column or collection of columns that uniquely identifies a given row in that table.
To, From, Date, Subject
Standard elements of a formal letter or email structure, indicating the recipient, sender, date of sending, and topic respectively.
Heading
A heading is a title or label used to indicate the subject or purpose of a document section, often formatted to stand out for easy navigation.
U.S. Postal Service
The U.S. Postal Service (USPS) is an independent agency of the United States federal government responsible for providing postal service in the United States.
Bulk Mailings
Large-scale mailing operations, often for marketing purposes, sending materials to a wide audience simultaneously.
Q8: SQL Server uses an extended version of
Q13: You must enclose values in _ quotation
Q17: For any column whose data type is
Q32: The ADD clause consists of the word
Q36: The type of music may have an
Q39: An owner number in the OWNER table
Q41: Instead of including every column in the
Q45: The GRANT command to indicate that a
Q52: In PL/SQL,procedural code appears between the BEGIN
Q57: In SQL Server,you can use the _