MySQL tutorial using data

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Presentation transcript:

MySQL tutorial using 2017 311 data Create a table Load data into a table Perform basic queries Export the data

Syntax for creating our table create table if not exists SC_2017_test (id_num mediumInt not null auto_increment primary key,creation_date datetime, ward varchar(50), call_description varchar(35), call_type varchar(50), maintenance_yard varchar(75), priority_name varchar(120)); NOTE: MAKE SURE EACH STATEMENT IN YOUR CREATE TABLE QUERY IS SEPARATED BY A COMMA

Syntax for loading a file LOAD DATA INFILE ‘complete path to text file’ INTO TABLE TableName FIELDS TERMINATED BY ‘,’ OPTIONALLY ENCLOSED BY ‘”’ LINES TERMINATED BY ‘\n’ IGNORE n LINES For reference, read pages 85 to 93 in The Data Journalist

Syntax for importing Jan 2017 file load data local infile "c:\\01-sr-2017.csv“ into Table SC_2017_test Fields terminated by ',' enclosed by '"' Lines terminated by '\n' Ignore 1 Lines (maintenance_yard, call_type, call_description, priority_name, ward) set creation_date = makedate('2017', dayofyear('2017-01-01'));

First few queries Select count(*) from sc_2017_test; Select * from sc_2017_test limit 100; Select * from from sc_2017_test limit 100 where call_type = ‘Animals’;