Please written by computer source Create a table with two columns. Name the table First Initial _ Last Name (e.g. John Dow will create table j_dow). You have to audit all DML statements on your table. To do this you write two triggers: 1. To log any DML statements that users might run on this table. The results must be stored in the First Initial _ Last Name _ Log table (e.g. John Dow will create table j_dow_log). The table should have unique event ID, values for both the Oracle and the system user who ran the query, the time it was executed and the type of DML query user ran. 2. To capture any data that was changed in the table. The results must be stored in the First Initial _ Last Name _ History table (e.g. John Dow will create table j_dow_history). The table should reference the event ID from the log table, and store both old and new values for both columns. What to submit: Name this file according to submission guidelines and include the following answers: Code to create all three tables, constraints, insert statements. Code for the first trigger Test cases and expected results for the first trigger Code for the second trigger Test cases and expected results for the first trigger
SQL
SQL stands for Structured Query Language, is a form of communication that uses queries structured in a specific format to store, manage & retrieve data from a relational database.
Queries
A query is a type of computer programming language that is used to retrieve data from a database. Databases are useful in a variety of ways. They enable the retrieval of records or parts of records, as well as the performance of various calculations prior to displaying the results. A search query is one type of query that many people perform several times per day. A search query is executed every time you use a search engine to find something. When you press the Enter key, the keywords are sent to the search engine, where they are processed by an algorithm that retrieves related results from the search index. Your query's results are displayed on a search engine results page, or SER.
Please written by computer source
Create a table with two columns. Name the table First Initial _ Last Name (e.g. John Dow will create table j_dow). You have to audit all DML statements on your table. To do this you write two triggers:
1. To log any DML statements that users might run on this table. The results must be stored in the First Initial _ Last Name _ Log table (e.g. John Dow will create table j_dow_log).
The table should have unique event ID, values for both the Oracle and the system user who ran the query, the time it was executed and the type of DML query user ran.
2. To capture any data that was changed in the table. The results must be stored in the First Initial _ Last Name _ History table (e.g. John Dow will create table j_dow_history).
The table should reference the event ID from the log table, and store both old and new values for both columns.
What to submit:
Name this file according to submission guidelines and include the following answers:
Code to create all three tables, constraints, insert statements.
Code for the first trigger
Test cases and expected results for the first trigger
Code for the second trigger
Test cases and expected results for the first trigger
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