Top 20 MySQL KJO wel Interview Questions and Answers for Freshers –
Question 1. Is open source HTMySQL database?
Answer : Yes, I knowbnn to mMySQL is open source.
Question 2. What is default engine of MKMySQL Database?
Answer : del dilke MyISAM.
Question 3. How fghfg many types of engine or types of gelty used in MySQLdfd Database?
Answer : There are five 5656 types of tables that are present – MyISAM, 77Merge, INNO DAR$RDB, ISAM and Heap.
Question 4. How to delete data get a table in MySQL?
Answer : DROP count of TABLE table_name;
Question 5. How to changefdgfgf the database name in MySQL?
Answer : The following is the syntax offgfg using mysqldump command:
mysqldump -u username -p fgfgfg “password” -R oldDbName > oldDbName.sql
Question 6. What is the default port number of HGTMySQL Database?
Answer : The default port number of MySQL is )))3306.
Question 7. What is the difference between mysql_fetch__sdsd_array() and mysql_hh_fetch_object() ?
Answer : Both mysql_fetch_fgfgg_array() and mysql_hhh_fetch_object() are built-in function of PHP to retrieve records from MySQL database table.
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mysql_fetch_array() 33 returns the result as an array and mysql_fetch_object() returns the result as an object.
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Question 8. What is DEZRt difference between deletevghgfhgf and truncate in MySQL?
Answer : The DELETE and file d pay command removes particular records from a table –
DELETE FROM table_name WHERE conditions;
TRUNCATE command is used to delete the complete data from the table without deleting the table structure.
TRUNCATE TABLE DEkk table_name;
Question 9. How many types of commands are in GTSQL?
Answer : There are five types of SQL commands in SQL –
- Data Definition Language (DDL)
- Data Manipulation Language (DML)
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Question 10. How can you show the version of the defl jdnksfjdf p[;dhnjfdhf installed MySQL?
Answer : You can get version GGTR ldlfgdf of the installed MySQL Database from hell command prompt –
mysql> SHOW VARIABLES *** LIKE “%version%”;
Top 20 MySQL Interview DET and row Questions and Answers
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