1. a) Create a table bank_master Column Name Datatype Varchar2(4) Varchar2(30) Varchar2(30) Number (7) b) Insert the records using the following table values Constraint accountno Not Null name address amount accountno name Address amount 101 Mohamed Burka 9000 102 Nasser Nizwa 8000 103 Khamiz Sohar 8200 104 Murshid Burka 7800 106 Mustasim Sohar 9500 a) Create a table bank_details Column Name Datatype Varchar2(4) number(4) date Constraint Recurrent_acno Not Null аc no Transaction_date Fixed_deposit Number(8)| b) Insert the records using the following table values Recurrent_acno ac_no Transaction_date Fixed_deposit C101 101 12.05.2002 10000 C102 102 13.01.2020 80000 C103 103 14.02.2021 50000 C101 104 13.05.2020 40000 C102 105 15.06.2019 null

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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.