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

2 votes274 views1 answer
Mysql sysdate
SQL
0 vote311 views1 answer
Generate random & unique mysql string
SQL
1 vote274 views1 answer
Mysql collation
SQL
0 vote322 views1 answer
Move table to a different schema
SQL
0 vote281 views1 answer
Grant access on table in oracle
SQL
1 vote309 views2 answers
Oracle list service names
SQL
0 vote289 views1 answer
Sqlite update only if greater
SQL
0 vote302 views1 answer
Sql delete from with relation
SQL
0 vote304 views4 answers
Postgresql between month
SQL
0 vote252 views2 answers
Https://www.google.com/search?ei=bihqX_v9DJb--gTYoLH4DQ
SQL