Which statement is false?
a. A DELETE statement removes rows from a table.
b. A DELETE statement must specify the table from which to delete.
c. A DELETE statement starts with the keyword DELETE.
d. A WHERE clause must be present in a DELETE statement.
d. A WHERE clause must be present in a DELETE statement.
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The ____ aggregate function is used to find the number of records meeting the criteria in each group.
A. Count B. Num C. Sum D. Expression
Which of the following problems is not known to be solvable in linear time?
a. topological sort b. unweighted shortest path in general graphs c. weighted shortest path in acyclic graphs d. weighted shortest path in cyclic graphs e. all are solvable in linear time
________ is the process of updating data on your smartphone and computer so they are the same
Fill in the blank(s) with correct word
In a disjointed ____________________, the name of a child object in the hierarchy does not contain the name of the parent object—for example, the relationship between different trees in the same forest
a. Namespace b. Organizational unit c. Forest d. Hierarchy