10 Managing Data and Concurrency


10.01 Manage Data Using DML

10.02 Identify and Administer PL/SQL Objects

10.03 Monitor and Resolve Locking Conflicts

image Two-Minute Drill

image Self Test

Data in a relational database is managed with the DML (data manipulation language) commands of SQL. These are INSERT, UPDATE, DELETE, and (with more recent versions of SQL) MERGE. Associated with these are the transaction control statements COMMIT and ROLLBACK. These commands are dealt with in detail in the SQL curriculum and tested in the appropriate ...

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