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 vote371 views1 answer
Sqlalchemy query sql compiled
SQL
0 vote400 views2 answers
Execute stored procedure without db set
SQL
0 vote407 views1 answer
Sql find gaps in date ranges
SQL
0 vote386 views3 answers
Condition in count sql
SQL
4 votes429 views4 answers
Check constraint in ms sql
SQL
0 vote342 views1 answer
Sql select most frequent value in group
SQL
0 vote344 views1 answer
Django mysqlclient connection string
SQL
11 votes369 views2 answers
Insert current date sql
SQL
1 vote360 views1 answer
Sql drop with dependencies
SQL
24 votes371 views4 answers
Delete db postgres
SQL