Rollback and savepoint Study guides, Class notes & Summaries

All SQL Sub Languages. correct answers DDL: Data Definition Language DML: Data Manipulation Language DCL: Data Control Language TCL: Transaction Control Language DDL correct answers Data Definition Language - Used to define the schema of the database -- CREATE: creates and defines the table -- ALTER: modifies an existing table -- TRUNCATE: Removes all data from the table, leaves the schema, cannot rollback, ignores constraints -- DROP: Drops the table, cannot rollback DML correct a...

PreparedStatement parameter numbering starts at zero: true or false? False, it starts at one. The ResultSet, Statement, and Connection classes all have close() methods that throw checked SQLException: true or false? True, if handled in a catch, it will require a nested catch for the close(). How to create a savepoint and rollback to it? Savepoint([OPTIONAL_NAME]):Savepoint, ack(Savepoint) How to create a CallableStatement? CallableStatement cs = reCall("{call procedure_...

5.6 LAB - Rollback and savepoint (Sakila) Refer to the actor table of the Sakila database. The table in this lab has the same columns and data types but fewer rows. Start a transaction and: 1. Insert a new actor with values 999, 'NICOLE', 'STREEP', '2021-06-01 12:00:00' 2. Set a SAVEPOINT. 3. Delete the actor with first name 'CUBA" 4. Select all actors. 5. Roll back to the savepoint. 6. Select all actors a second time. The actor with first name 'CUBA' should appear in the second SE...

CPTR 424 Review 2A diagram that shows what privileges have been given to users is called a(n) A. authorization graph B. access control matrix C. wait-for graph D. DBA view A. authorization graph A functional dependency is actually a _______ relationship from attribute set A to attribute set B. A. one-to-one B. recursive C. many-to-many D. many-to-one D. many-to-one A hardware or software barrier that protects an intranet from unauthorized access is a(n) A. access control...

01. The creator of an index or an index specification automatically receives which privilege on the index? a) SELECT b) DELETE c) UPDATE d) CONTROL Answer: d) CONTROL 02. Which of the following is TRUE about a COMMIT statement executed at the end of the T1 unit of work? a) A ROLLBACK command executed just after the COMMIT command cancels that COMMIT b) Save points defined during transaction T1 are released only if there is a RELEASE SAVEPOINT command executed after the COMMIT comm...

You work as a Database Administrator for Hitech Inc. The company uses Oracle as its database. The database contains a table named Employee, which in turn have a view named ename. There is some issue with the ename view. As a DBA, you need to repair and compile the view. You issue the ALTER view ename COMPILE statement, however, the compilation failed. Which of the following will you use to accomplish the task? Each correct answer represents a part of the solution. Choose two. A. The SHOW ERRO...

All SQL Sub Languages. correct answers DDL: Data Definition Language DML: Data Manipulation Language DCL: Data Control Language TCL: Transaction Control Language DDL correct answers Data Definition Language - Used to define the schema of the database -- CREATE: creates and defines the table -- ALTER: modifies an existing table -- TRUNCATE: Removes all data from the table, leaves the schema, cannot rollback, ignores constraints -- DROP: Drops the table, cannot rollback DML correct a...

PL/SQL Oracle 1z0-144: Practice Exam (Answered correctly!) Winter 2022-2023. END IF - A. It will give a compilation error. B. It will generate an infinite loop. C. It will terminate the program. D. It will execute successfully. One of the users creates the following PL/SQL object. What type of PL/SQL object is this considered as? - A. A package body B. A trigger C. A type specification D. A package specification QUESTION NO: 1 What are the two subtypes of the IF conditional st...

WGU Master's Course C706 - Secure Software Design Which due diligence activity for supply chain security should occur in the initiation phase of the software acquisition life cycle? A Developing a request for proposal (RFP) that includes supply chain security risk management B Lessening the risk of disseminating information during disposal C Facilitating knowledge transfer between suppliers D Mitigating supply chain security risk by providing user guidance correct answer- A Whi...

These notes provide a comprehensive overview of key concepts in database transaction management. They begin with defining a transaction as a unit of work in a DBMS and outline the various states a transaction undergoes, such as Active, Partially Committed, Committed, Failed, Aborted, and Terminated. The notes delve into the ACID properties—Atomicity, Consistency, Isolation, Durability—that ensure reliable and consistent transactions. They also cover essential transaction control commands lik...