| Other MySQL Interview Questions |
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| Question | Asked @ | Answers |
| |
| What is the difference between char and varchar data types? | | 3 |
| Explain the difference between FLOAT, DOUBLE and REAL. | | 3 |
| What is the maximum length of a table name, database name,
and fieldname in MySQL? | TISL | 1 |
| how do i list constraints in my database by using sql
server2000? | | 1 |
| what is the difrence between sql and pl/sql | Wipro | 18 |
| How would you backup and restore a big MySQL database? What
are the advantages of the approach which you have taken
over the others? | | 2 |
| What does tee command do in MySQL? | | 1 |
| What is the maximum length of a table name, a database name,
or a field name in MySQL? | | 1 |
| Which storage engines support transactions in MySQL? | | 1 |
| How to load data from a text file into a table? | Sasaa | 4 |
| Please suggest me any course and institute which provide
training on the below skills.
• Knowledge of data extraction concepts and tools
• QMF (query management facility)queries
• Experience and expertise in QMF queries
• Excellent ability to write, read, and interpret QMF
queries against the Source Data Warehouse base level (daily
and monthly) and month-end affinity comp tables
• RDBMS & ER
• Knowledge of Relational Databases (RDBMS) and
Entity Relationship (ER) Diagrams
• SOURCE Data Warehouse
• Experience and expertise in Source Data Warehouse
or data warehouses on the mainframe.
• MS SQL Server
• Experience in MS SQL Server
• Excellent skill in writing/interpreting SQL queries
and running Data Transformation Services (DTS) or open
query packages.
• Knowledge of writing/interpreting Visual Basic code.
| | 1 |
| Explain Normalization concept? | Inuva | 1 |
| SQL:
1. Write a queryto retrieve the author who was
published a book at the youngest age?
2. write a query to retrieve the no. of books
published a each year in various languages?
3. write a query to retrieve no. of books published by
them only those authors who have published more than 1 book?
4. write a query to retrieve who has not published any
books during the year 2006?
5. write a query to retrieve the authors who has
published any books during the birth date write this query
in 2 ways 1)joins 2)sub query
6. write a query to retrieve all the books which was
published during jan 2007 & title containing India or
published in the language hindi?
1. table name is liberary managemnt and two column is
there one is authors and another one is books .
2.four fields will comes under authours like nationality,
birthdate ,first-language,second-language
3.four fields will comes under books like
authour,title ,language,publish date to write query using
this details | Covansys | 3 |
| How can we repair a MySQL table? | Infosys | 2 |
| What happens if a table has one column defined as TIMESTAMP? | | 1 |
| What?s the difference between PRIMARY KEY and UNIQUE in
MyISAM? | CSS | 2 |
| how to delete duplicate rows in sql server 2005? | Reliance | 1 |
| Explain MySQL architecture? | | 1 |
| What is ACID? | | 2 |
| Explain advantages of InnoDB over MyISAM? | | 1 |
| |
| For more MySQL Interview Questions Click Here |
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