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While fetching records if you want to limit them by a particular number, you can do so, using the LIMIT clause of SQLite.
Syntax
Following is the syntax of the LIMIT clause in SQLite −
SELECT column1, column2, columnN FROM table_name LIMIT [no of rows]
Example
Assume we have created a table with name CRICKETERS using the following query −
sqlite> CREATE TABLE CRICKETERS ( First_Name VARCHAR(255), Last_Name VARCHAR(255), Age int, Place_Of_Birth VARCHAR(255), Country VARCHAR(255) ); sqlite>
And if we have inserted 5 records in to it using INSERT statements as −
sqlite> insert into CRICKETERS values(''Shikhar'', ''Dhawan'', 33, ''Delhi'', ''India''); sqlite> insert into CRICKETERS values(''Jonathan'', ''Trott'', 38, ''CapeTown'', ''SouthAfrica''); sqlite> insert into CRICKETERS values(''Kumara'', ''Sangakkara'', 41, ''Matale'', ''Srilanka''); sqlite> insert into CRICKETERS values(''Virat'', ''Kohli'', 30, ''Delhi'', ''India''); sqlite> insert into CRICKETERS values(''Rohit'', ''Sharma'', 32, ''Nagpur'', ''India''); sqlite>
Following statement retrieves the first 3 records of the Cricketers table using the LIMIT clause −
sqlite> SELECT * FROM CRICKETERS LIMIT 3; First_Name Last_Name Age Place_Of_B Country ---------- ---------- ---- ---------- ------------- Shikhar Dhawan 33 Delhi India Jonathan Trott 38 CapeTown SouthAfrica Kumara Sangakkara 41 Matale Srilanka sqlite>
If you need to limit the records starting from nth record (not 1st), you can do so, using OFFSET along with LIMIT.
sqlite> SELECT * FROM CRICKETERS LIMIT 3 OFFSET 2; First_Name Last_Name Age Place_Of_B Country ---------- ---------- ---- ---------- -------- Kumara Sangakkara 41 Matale Srilanka Virat Kohli 30 Delhi India Rohit Sharma 32 Nagpur India sqlite>
LIMIT Clause Using Python
If you Invoke the execute() method on the cursor object by passing the SELECT query along with the LIMIT clause, you can retrieve required number of records.
Example
Following python example retrieves the first two records of the EMPLOYEE table using the LIMIT clause.
import sqlite3 #Connecting to sqlite conn = sqlite3.connect(''example.db'') #Creating a cursor object using the cursor() method cursor = conn.cursor() #Retrieving single row sql = ''''''SELECT * from EMPLOYEE LIMIT 3'''''' #Executing the query cursor.execute(sql) #Fetching the data result = cursor.fetchall(); print(result) #Commit your changes in the database conn.commit() #Closing the connection conn.close()
Output
[ (''Ramya'', ''Rama priya'', 27, ''F'', 9000.0), (''Vinay'', ''Battacharya'', 20, ''M'', 6000.0), (''Sharukh'', ''Sheik'', 25, ''M'', 8300.0) ]
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