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Express types of information available in MySQL?
Information as regards the result of queries:
This includes number of records affected by any SELECT or UPDATE or DELETE statement.
Information as regards tables and databases: This includes information pertaining to the structure of Databases and table. Information regarding the MySQL server: This includes present status of database server and version and number etc
Define Atom of domain relational calculus An atom has the outline 1 , x 2 , ... , x n > -> r , in which r stands for a relation on n attributes and x 1 , x 2 , ... , x n ar
What is DataWarehousing? Subject-oriented, meaning that the data in the database is organized so that all the data elements relating to the similar real-world event or object
Concurrency Identification While designing analysis, model we map real world model into our analytical model. Real life objects are simultaneous in nature, but all the design
write on the various type of relationalkey
Determine the term- Active values An active value is that has dependent values. Every dependent value registers itself with active value that contains a set of dependent values
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Give short note on the following terms:Dirty pages and ETL a.) Dirty pages. These are buffer pages which comprise modifications which haven't been written to disk. b.
Let consider the given partial relation EMP. Let us make some sub-queries for them EMPNO ENAME JOB SAL DEPTNO 7566
A student entity type has the following attributes,name..
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