When a column has an extension of WITH DEFAULT NULL and a unique index is created on this column, what will be the effects on the possible null values in that column?

Given the following cursor declaration: DECLARE CLASSUPDATE CURSOR FOR SELECT CSTITLE FROM T001.CLASSS FOR UPDATE OF CDUR Which of the following embedded SQL statements will use this cursor correctly?

Consider the following SQL statement, executed by user S001: CREATE VIEW BOSTON_TEAMS AS SELECT * FROM TEAMS WHERE STATE = 'MA' User S002 has INSERT authority on this view, what would happen if he tries to insert a row into this view, where the STATE field of that line contains a value of ‘IN’?

Which of the following is true about the EXPLAIN command

When declaring a foreign key on a table, referencing an existing primary key with complete definition, what might differ between foreign key and primary key?

When a user has a SELECT authorization on a certain base table, and he creates a view on that table alone, then which of the following is true?

What are the disadvantages of PAGE level lock?

When you COMMIT, is the cursor closed?

What are the various locks available?

What should be done before you do EXPLAIN?

If the null indicator has -1, what does it mean?