lab sql basics

files_for_lab/solution.sql

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+--Query 1
+SELECT client_id
+FROM client
+WHERE district_id = 1
+ORDER BY client_id ASC
+LIMIT 5;
+
+--Query 2
+SELECT client_id
+FROM client
+WHERE district_id = 72
+ORDER BY client_id DESC
+LIMIT 1;
+
+--Query 3
+SELECT amount
+FROM loan
+ORDER BY amount ASC
+LIMIT 3;
+
+--Query 4
+SELECT DISTINCT status
+FROM loan
+ORDER BY status ASC;
+
+--Query 5
+SELECT loan_id
+FROM loan
+ORDER BY payments DESC
+LIMIT 1;
+
+--Query 6
+SELECT account_id, amount
+FROM loan
+ORDER BY account_id ASC
+LIMIT 5;
+
+--Query 7
+-- Get the 5 accounts with the lowest loan amounts for duration = 60
+SELECT account_id
+FROM loan
+WHERE duration = 60
+ORDER BY amount ASC, account_id ASC
+LIMIT 5;
+
+--Query 8
+SELECT DISTINCT k_symbol
+FROM `order`
+ORDER BY k_symbol ASC;
+
+--Query 9
+SELECT order_id
+FROM `order`
+WHERE account_id = 34;
+
+--Query 10
+SELECT DISTINCT account_id
+FROM `order`
+WHERE order_id BETWEEN 29540 AND 29560
+ORDER BY account_id ASC;
+
+
+--Query 11
+SELECT amount
+FROM `order`
+WHERE account_to = 30067122;
+
+--Query 12
+SELECT trans_id, date, type, amount
+FROM trans
+WHERE account_id = 793
+ORDER BY date DESC
+LIMIT 10;
+
+--Query 13
+SELECT district_id, COUNT(*) AS num_clients
+FROM client
+WHERE district_id < 10
+GROUP BY district_id
+ORDER BY district_id ASC;
+
+--Query 14
+SELECT type, COUNT(*) AS num_cards
+FROM card
+GROUP BY type
+ORDER BY num_cards DESC;
+
+--Query 15
+SELECT account_id, SUM(amount) AS total_loans
+FROM loan
+GROUP BY account_id
+ORDER BY total_loans DESC
+LIMIT 10;
+
+--Query 16
+SELECT date, COUNT(*) AS num_loans
+FROM loan
+WHERE date < 930907
+GROUP BY date
+ORDER BY date DESC;
+
+
+--Query 17
+SELECT
+  date,
+  duration,
+  COUNT(*) AS num_loans
+FROM loan
+WHERE date BETWEEN 971201 AND 971231   -- December 1–31, 1997 (YYMMDD)
+GROUP BY date, duration
+ORDER BY date ASC, duration ASC;
+
+--Query 18
+SELECT account_id, type, SUM(amount) AS total_amount
+FROM trans
+WHERE account_id = 396
+GROUP BY account_id, type
+ORDER BY type ASC;

files_for_lab/solutions.sql.sqbpro

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+<?xml version="1.0" encoding="UTF-8"?><sqlb_project><db path="lab1_bank.sqlite" readonly="0" foreign_keys="1" case_sensitive_like="0" temp_store="0" wal_autocheckpoint="1000" synchronous="2"/><attached/><window><main_tabs open="structure browser pragmas query" current="3"/></window><tab_structure><column_width id="0" width="300"/><column_width id="1" width="0"/><column_width id="2" width="100"/><column_width id="3" width="2716"/><column_width id="4" width="0"/><expanded_item id="0" parent="1"/><expanded_item id="1" parent="1"/><expanded_item id="2" parent="1"/><expanded_item id="3" parent="1"/></tab_structure><tab_browse><table title="account" custom_title="0" dock_id="5" table="4,7:mainaccount"/><dock_state state="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"/><default_encoding codec=""/><browse_table_settings><table schema="main" name="account" show_row_id="0" encoding="" plot_x_axis="" unlock_view_pk="_rowid_" freeze_columns="0"><sort/><column_widths><column index="1" value="96"/><column index="2" value="90"/><column index="3" value="151"/><column index="4" value="55"/></column_widths><filter_values/><conditional_formats/><row_id_formats/><display_formats/><hidden_columns/><plot_y_axes/><global_filter/></table></browse_table_settings></tab_browse><tab_sql><sql name="SQL 1">--Query 1
+SELECT client_id
+FROM client
+WHERE district_id = 1
+ORDER BY client_id ASC
+LIMIT 5;
+
+--Query 2
+SELECT client_id
+FROM client
+WHERE district_id = 72
+ORDER BY client_id DESC
+LIMIT 1;
+
+--Query 3
+SELECT amount
+FROM loan
+ORDER BY amount ASC
+LIMIT 3;
+
+--Query 4
+SELECT DISTINCT status
+FROM loan
+ORDER BY status ASC;
+
+--Query 5
+SELECT loan_id
+FROM loan
+ORDER BY payments DESC
+LIMIT 1;
+
+--Query 6
+SELECT account_id, amount
+FROM loan
+ORDER BY account_id ASC
+LIMIT 5;
+
+--Query 7
+-- Get the 5 accounts with the lowest loan amounts for duration = 60
+SELECT account_id
+FROM loan
+WHERE duration = 60
+ORDER BY amount ASC, account_id ASC
+LIMIT 5;
+
+--Query 8
+SELECT DISTINCT k_symbol
+FROM `order`
+ORDER BY k_symbol ASC;
+
+--Query 9
+SELECT order_id
+FROM `order`
+WHERE account_id = 34;
+
+--Query 10
+SELECT DISTINCT account_id
+FROM `order`
+WHERE order_id BETWEEN 29540 AND 29560
+ORDER BY account_id ASC;
+
+
+--Query 11
+SELECT amount
+FROM `order`
+WHERE account_to = 30067122;
+
+--Query 12
+SELECT trans_id, date, type, amount
+FROM trans
+WHERE account_id = 793
+ORDER BY date DESC
+LIMIT 10;
+
+--Query 13
+SELECT district_id, COUNT(*) AS num_clients
+FROM client
+WHERE district_id &lt; 10
+GROUP BY district_id
+ORDER BY district_id ASC;
+
+--Query 14
+SELECT type, COUNT(*) AS num_cards
+FROM card
+GROUP BY type
+ORDER BY num_cards DESC;
+
+--Query 15
+SELECT account_id, SUM(amount) AS total_loans
+FROM loan
+GROUP BY account_id
+ORDER BY total_loans DESC
+LIMIT 10;
+
+--Query 16
+SELECT date, COUNT(*) AS num_loans
+FROM loan
+WHERE date &lt; 930907
+GROUP BY date
+ORDER BY date DESC;
+
+
+--Query 17
+SELECT
+  date,
+  duration,
+  COUNT(*) AS num_loans
+FROM loan
+WHERE date BETWEEN 971201 AND 971231   -- December 1–31, 1997 (YYMMDD)
+GROUP BY date, duration
+ORDER BY date ASC, duration ASC;
+
+--Query 18
+SELECT account_id, type, SUM(amount) AS total_amount
+FROM trans
+WHERE account_id = 396
+GROUP BY account_id, type
+ORDER BY type ASC;
+</sql><current_tab id="0"/></tab_sql></sqlb_project>