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+# SQL sequence to prepare the tables
+
+## ICD codes related to myocardial infarction
+
+~~~sql
+select * from d_icd_diagnoses where long_title like '%myocardial infarction%';
+
+create view myocardial_infarction_codes as select * from d_icd_diagnoses where long_title like '%myocardial infarction%';
+
+select * from myocardial_infarction_codes;
+
+select count(*) from diagnoses_icd d, myocardial_infarction_codes m where d.icd_code=m.icd_code;
+>> 31.829
+
+select count(*) from diagnoses_icd d where d.icd_code='I219';
+
+create view selected_mi_cases as select * from diagnoses_icd d, myocardial_infarction_codes m where d.icd_code=m.icd_code limit 5;
+
+select * from diagnoses_icd d where d.icd_code='I219';
+
+select * from hcpcsevents where hadm_id = '20242490';
+
+select * from hcpcsevents h, selected_mi_cases s where h.hadm_id = s.hadm_id;
+~~~
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