SQL

Module 12 lists the types of errors encountered in a database and the various mechanisms that are available to safeguard against these errors. This module discusses various types of backups and recovery methods available. This module also covers Oracle’s Recovery Manager (RMAN) and the equivalent…

Module 11 examines the non-transactional mechanisms for moving data into and out of a database. The functionality varies based on homogeneous and heterogeneous databases. One key feature in SQL Server is SQL Server Integration Services (SSIS). SSIS provides users with the capabilities beyond complex…

Module 10 continues the discussion of data protection initiated in Module 6. This module examines the various features available for providing security such as logins, roles, profiles, and privileges. The topics such as encryption and auditing are also briefly discussed in this module. [04:10] -…

Module 9 provides the administrative aspect of schema objects described in Module 4. The discussion covers planning, creation and maintenance of many key schema objects. Choices in terms of table and index types, column types, and storage greatly influence the database growth, scalability,…

Module 8 discusses the administration of various types of resources such as system resources (such as memory, processes, storage, and so on) as well as low-level database resources (such as lock, latches, queues, and so on). As these resources are consumed by transactions, it is pertinent to be able…

Module 7 contains discussion on planning and installation of SQL Server. While basic duties such a creating, starting and shutting down a database are common to all databases, the options available for these functions are the key differences. True to the words “Knowledge is Power”, familiarity with…

Module 6 fulfills the twin tasks of protecting data against unauthorized access (database security) and also from the destructive interaction between authorized users working concurrently (concurrency control). Under security, the various features for securing and auditing the database are…

Module 5 focuses on how data is accessed and manipulated by the clients. Important concepts such as transaction, session, and so on are discussed here. This module describes the various commands available through SQL for manipulating data, metadata, transactions, sessions, and instances. An overview…

Module 4 examines in greater detail the schema objects introduced in Module 2. While all schema objects are mentioned, of particular interest are tables, the type of data they can hold, and their storage layout. A proper understanding of data types and storage architecture of tables and indexes is…

Module 3 discusses the memory and process architectures that are key to a database's performance. The module goes into the details of the hierarchy of memory areas of an instance and its configuration. This module also describes how the various functions of the RDBMS are accomplished by the…