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1. Identify the comparisons and exchanges made to sort the following array using the selection exchange sort technique. Note: you may not need all columns.
Original
Array
1st
Pass
2nd
3rd
4th
5th
6th
7th
8th
9th
12
63
45
5
18
40
32
2. Use the table below to show the values in a stack after executing each of the following instructions. What is the value of the stack pointer after all of the executions have been completed? Note: There is only 1 stack. You are showing the changes in the stack values as each number is pushed onto or popped from the stack.
Push 12; Push 45; Push 47; Push 21; Pop X; Push 83; Pop X; Pop X; Push 32
3. Use the table below to show the values in a queue after executing each of the following instructions. Note: There is only 1 queue. You are showing the changes in the queue values as each number is added to or deleted from the queue.
Add 12; Add 45; Add 47; Add 21; Delete X; Add 83; Delete X; Delete X; Add 32
System level permissions : With the use of data dictionary you can view them. Let us take the table name as user_sys_privs (used in oracle). DESCRIBE USER_SYS_PRI
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
Differentiate between a unique key and a primary key. - By default, clustered index on column are created by primary key while nonclustered index are created by unique key.
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
Cardinality of Relationship One-to-One Only one entity of the first set is linked to only one entity of the second set. E.g. A teacher teaches a student. Only one teacher
While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines DIR_SORTTMP
What is relationship instance ? Relationship Instance - A relationship is a relation between two or more entities. An instance of relationship set is a set of relationships.
An object-oriented design process 1. Define the context and modes 2. Designs the system architecture 3. Identifies the principal system objects 4. Identifies concurrency in
1. Item based services will be charged fixed prices, and time-based will be charged variably depending on time. Such as per hour. Item-based: Fixed, pedicure, waxing, threading, fa
Consider the following six relation schemes and their corresponding sets of functional dependencies. In each case identify a. All the candidate keys b. The highest normal for
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