As discussed in this class, the JDBC automatically closes co… As discussed in this class, the JDBC automatically closes connection when not used by the application Read Details
Which of the following SQL clauses are required in any SQL S… Which of the following SQL clauses are required in any SQL SELECT query and cannot be omitted? Read Details
SQL would never allow you to execute a join on a table with… SQL would never allow you to execute a join on a table with itself. Read Details
Given the following SQL query: SELECT *FROM EMP WHE… Given the following SQL query: SELECT *FROM EMP WHERE LName = “Smith” AND Salary < 10000 What indexing method is the best to use for Salary field? Read Details
A relation with only simple (non-compound) keys will already… A relation with only simple (non-compound) keys will already be in 2NF if it also in 1NF. Read Details
___________ anomaly takes place when changing data in a row… ___________ anomaly takes place when changing data in a row forces changes to other rows (because of duplication) or results in invalid data. Read Details
The relational database model was originally proposed by: The relational database model was originally proposed by: Read Details
Columns used for joining tables in SQL statements can have e… Columns used for joining tables in SQL statements can have either the same or different names Read Details
SELECT, PROJECT, and RENAME are binary relational operations… SELECT, PROJECT, and RENAME are binary relational operations. Read Details
