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What is SQL Server Agent?
SQL Server agent plays a significant role in the day-to-day tasks of a database administrator (DBA). It is often overlooked as one of the major tools for SQL Server management. Its purpose is to ease the execution of tasks for the DBA, with its full- function scheduling engine, which permits you to schedule your own jobs and scripts.
What are aggregate functions? And list the aggregate functions supported by SQL? Aggregate functions are functions that take a collection of values as input and return a one va
What is the difference between link and reference? The fundamental difference between links and references is that links are symmetrical on the other hand references refer only
Table Handling In RDBMS more than one table can be tackled at a time by using join operation. Join operation is a relational operation that causes 2 tables with a common domai
what is bogus empowerment. And what is genuine empowerment
Explain the Recoverable Schedule A recoverable schedule is one in which for each pair of transactions Ti and Tj such that Tj reads a data item formerly written by Ti, the comm
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
explain external view
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
Illustrate the statement 'Projection operation distributes over the union operation'. Give an example. Ans: Π L (E 1 ∪ E 2 ) = (Π L (E 1 )) ∪ (Π L (E 2 )) This says th
explain participation constraints with examples
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