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List the string operations supported by SQL?
1) Pattern matching Operation
2) Concatenation
3) Extracting character strings
4) Converting among uppercase and lower case letters.
What are the typical phases of query processing
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
Question 1 Explain the functions of the following Storage Manager Buffer Manager Transaction Manager 2 Discuss about system catalog in a relational DBMS 3
Create 1 experiment to demonstrate an aspect of query optimisation by using access-path structures (indexes), decomposition, or denormalisation. Once satisfied with your experiment
notes about update opreation
Define the terms i) Entity set ii) Relationship set Entity set: The set of all entities of the similar type is termed as an entity set. Relationship set: The set of all rela
what is specialization?
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
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
WHERE and HAVING clause in SQL ? The WHERE clause is commonly used for implementing conditions on each tuple of the relation. The HAVING clause is used in combination along wi
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