Update markdown languages

postgres/homework.md

@@ -4,15 +4,15 @@
 
 ### 1.
 
-```
+```SQL
 SELECT relname FROM pg_class
 WHERE relname !~ '^(pg_|sql_)'
 AND relkind = 'r';
 ```
 
 ### 2.
 
-```
+```SQL
 SELECT c.country_name FROM countries c
 JOIN venues v ON c.country_code = v.country_code
 JOIN events e ON v.venue_id = e.venue_id
@@ -21,7 +21,7 @@ WHERE e.title = 'LARP Club';
 
 ### 3.
 
-```
+```SQL
 ALTER TABLE venues
 ADD COLUMN active BOOLEAN DEFAULT TRUE;
 ```
@@ -30,15 +30,15 @@ ADD COLUMN active BOOLEAN DEFAULT TRUE;
 
 ### 1.
 
-```
+```SQL
 CREATE RULE delete_venue
 AS ON DELETE TO venues DO INSTEAD
 UPDATE venues SET active = false WHERE venue_id = OLD.venue_id;
 ```
 
 ### 2.
 
-```
+```SQL
 SELECT * FROM generate_series(1, 12);
 ```
 
@@ -97,7 +97,7 @@ This exercise is fairly difficult. Here are the steps I followed.
 
 3. So we need to start by listing all the days in the month (we'll pick February 2012 since it has the most events):
 
- ```
+ ```SQL
  SELECT date
  FROM generate_series(
  '2012-02-01'::date,
@@ -142,7 +142,7 @@ This exercise is fairly difficult. Here are the steps I followed.
 
 2. Then join with the events table:
 
- ```
+ ```SQL
  SELECT date, title
  FROM (
  SELECT date
@@ -193,7 +193,7 @@ This exercise is fairly difficult. Here are the steps I followed.
 
 3. Show the count instead of the title:
 
- ```
+ ```SQL
  SELECT date, NullIf(count(events), 0) AS count
  FROM (
  SELECT date
@@ -245,7 +245,7 @@ This exercise is fairly difficult. Here are the steps I followed.
 
 4. Show the week of month and day of week instead of the date:
 
- ```
+ ```SQL
  SELECT
  extract(week from date) - extract(week from date_trunc('month', date)) AS wom,
  extract(dow from date) AS dow,
@@ -300,7 +300,7 @@ This exercise is fairly difficult. Here are the steps I followed.
 
 5. We're now ready for the `crosstab`:
 
- ```
+ ```SQL
  SELECT * from crosstab(
  'SELECT
  extract(week from date) - extract(week from date_trunc(''month'', date)) AS wom,
@@ -343,7 +343,7 @@ This exercise is fairly difficult. Here are the steps I followed.
 
 ### 1.
 
-```
+```SQL
 CREATE OR REPLACE FUNCTION suggestion(input text)
 RETURNS SETOF text as $$
 BEGIN
@@ -372,7 +372,7 @@ $$ LANGUAGE plpgsql;
 
 Ignored the last-name-only requirement. Splitting full names into first and last names is not reliable anyway.
 
-```
+```SQL
 CREATE TABLE comments (comment text);
 
 INSERT INTO comments (comment) VALUES

riak/homework.md

@@ -4,23 +4,23 @@
 
 ### 1.
 
-```
+```bash
 curl -X PUT "http:https://localhost:10038/riak/animals/polly" \
 -H "Link: </riak/photos/polly.jpg>; riaktag=\"photo\"" \
 -d '{"nickname": "Sweet Polly Purebred", "breed": "Purebred"}'
 ```
 
 ### 2.
 
-```
+```bash
 curl -X PUT "http:https://localhost:10038/riak/cats/takkun.svg" \
 -H "Content-Type: image/svg+xml" \
 --data-binary @takkun.svg
 ```
 
 ### 3.
 
-```
+```bash
 curl -X PUT "http:https://localhost:10038/riak/medicines/antibiotics" \
 -H "Content-Type: image/jpeg" \
 -H "Link: </riak/animals/ace>; riaktag=\"treats\"" \
@@ -31,7 +31,7 @@ curl -X PUT "http:https://localhost:10038/riak/medicines/antibiotics" \
 
 ### 1.
 
-```
+```bash
 curl -X POST "http:https://localhost:10018/mapred" \
 -H "content-type:application/json" \
 --data @-
@@ -70,7 +70,7 @@ curl -X POST "http:https://localhost:10018/mapred" \
 
 ### 2.
 
-```
+```bash
 curl -X POST "http:https://localhost:10018/mapred" \
 -H "content-type:application/json" \
 --data @-
@@ -116,7 +116,7 @@ curl -X POST "http:https://localhost:10018/mapred" \
 
 Insert an animal with a score of 3:
 
-```
+```bash
 curl -X PUT "http:https://localhost:10038/riak/animals/ace" \
 -H "Content-Type: application/json" \
 -H "x-riak-index-score_int: 3" \