Databases

1. Clause that works in conjunction with other SQL clauses like SELECT, INSERT and UPDATE to specify a search condition for these statements.
4. Clause to join two or more search conditions specified in the WHERE clause
6. A diagram, plan, or scheme
8. Operator used to combine the resultset of two or more SELECT statements
9. Data manipulation language
11. Connection between persons by blood or marriage
14. A sum, mass, or collection of individual items
15. A person who makes statements that are thought to be wise
16. Object-relational mapping
17. A device pulled or pressed to release something.
19. A small metal instrument specially cut to fit into a lock and move its bolt
21. A mechanism under control of and repeating the actions of a similar mechanism.
22. A question; an inquiry

2. Relational database management system
3. Used primarily to enhance database performance
5. To become a member of
7. Something that restricts one's actions or powers
10. An owner of a slave or animal
11. To erase all data modifications made from the start of the transaction or to a savepoint.
12. In the context of a database transaction, a ****** refers to the saving of data permanently after a set of tentative changes
13. A piece of furniture consisting of a flat top supported on one or more legs
16. To arrange in a suitable way
18. SQL command used to add a row to a table
20. Create, Read, Update and Delete