Index in mysql

Create index mysql

create index your_index_name on your_table_name(your_column_name) using HASH;
or
create index your_index_name on your_table_name(your_column_name) using BTREE;

Source: stackoverflow.com

Index in mysql

Ex. Explain select * from user where name = ‘kinjal’	#here explain is used for finding that how much time it takes to find name, how much rows in search.

Mysql select statement after index

   SELECT * FROM table1 USE INDEX (col1_index,col2_index)
    WHERE col1=1 AND col2=2 AND col3=3;

Source: stackoverflow.com

What is the use of index in mysql table

Indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the first row and then read through the entire table to find the relevant rows. The larger the table, the more this costs.

Similar codes

0 vote220 views1 answer
Report in database
SQL
2 votes192 views3 answers
3 days back in sql server
SQL
6 votes188 views1 answer
Oracle rank() over (partition)
SQL
0 vote191 views1 answer
Database springboot
SQL
1 vote207 views1 answer
Mysql how to reset primary key
SQL
4 votes198 views1 answer
Sql quote in string
SQL
15 votes357 views2 answers
How to sort names in alphabetical order in sql
SQL
11 votes219 views3 answers
Sql_mode=only_full_group_by
SQL
4 votes210 views5 answers
Primary key
SQL
22 votes206 views4 answers
Mysql date_format
SQL