diff --git a/Lab4-SQL/1_b.py b/Lab4-SQL/1_b.py
new file mode 100644
index 0000000..848b4a5
--- /dev/null
+++ b/Lab4-SQL/1_b.py
@@ -0,0 +1,30 @@
+import csv
+
+table = "COVID"
+csv_files = ["data1.csv","data2.csv","data3.csv","data4.csv","data5.csv"]
+
+for csv_filename in csv_files:
+    sql_filename = csv_filename.split('.')[0] + ".sql"
+    sql_file = open(sql_filename, "w")
+    sql_file.close()
+    sql_file = open(sql_filename, "a")
+    sql_file.write("begin;\n")
+    sql_file.write("delete from " + table + ";\n")
+
+    with open(csv_filename, 'r') as csvfile:
+        csvreader = csv.reader(csvfile)
+        header = next(csvreader)
+        for row in csvreader:
+            sql_file.write("insert into " + table + " values (")
+            n = len(row)
+            for i in range(n):
+                if row[i] in ["NULL", ""]:
+                    sql_file.write("NULL")
+                else:
+                    sql_file.write("'" + row[i] + "'")
+                if i < n-1:
+                    sql_file.write(", ")
+            sql_file.write(");\n")
+
+    sql_file.write("end;\n")
+    sql_file.close()
\ No newline at end of file
diff --git a/Lab4-SQL/1_c.py b/Lab4-SQL/1_c.py
new file mode 100644
index 0000000..045bc97
--- /dev/null
+++ b/Lab4-SQL/1_c.py
@@ -0,0 +1,24 @@
+import psycopg2, config, time
+
+table = "COVID"
+csv_files = ["data1.csv","data2.csv","data3.csv","data4.csv","data5.csv"]
+
+for file in csv_files:
+    conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+    cur = conn.cursor()
+    sql = "delete from " + table + ";"
+    cur.execute(sql)
+    cur.close()
+    conn.commit()
+    conn.close()
+    t1 = time.time()
+    conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+    cur = conn.cursor()
+    sql = "copy " + table + " from STDIN csv header;"
+    f = open(file, "r")
+    cur.copy_expert(sql, f)
+    cur.close()
+    conn.commit()
+    conn.close()
+    t2 = time.time()
+    print(file, " ", t2-t1)
\ No newline at end of file
diff --git a/Lab4-SQL/1_d.py b/Lab4-SQL/1_d.py
new file mode 100644
index 0000000..1a7df34
--- /dev/null
+++ b/Lab4-SQL/1_d.py
@@ -0,0 +1,36 @@
+import psycopg2, config, csv, time
+
+table = "COVID"
+csv_files = ["data1.csv","data2.csv","data3.csv","data4.csv","data5.csv"]
+
+for file in csv_files:
+    conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+    cur = conn.cursor()
+    sql = "delete from " + table + ";"
+    cur.execute(sql)
+    cur.close()
+    conn.commit()
+    conn.close()
+    t1 = time.time()
+    conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+    cur = conn.cursor()
+    
+    with open(file, 'r') as csvfile:
+        csvreader = csv.reader(csvfile)
+        header = next(csvreader)
+
+        for row in csvreader:
+            sql = "insert into " + table + " values ("
+            n = len(row)
+            for i in range(n):
+                sql += "'" + row[i] + "'"
+                if i < n-1:
+                    sql += ", "
+            sql += ");"
+            cur.execute(sql)
+
+    cur.close()
+    conn.commit()
+    conn.close()
+    t2 = time.time()
+    print(file, " ", t2-t1)
\ No newline at end of file
diff --git a/Lab4-SQL/1_e.py b/Lab4-SQL/1_e.py
new file mode 100644
index 0000000..aae51ee
--- /dev/null
+++ b/Lab4-SQL/1_e.py
@@ -0,0 +1,36 @@
+import psycopg2, config, csv, time
+
+table = "COVID"
+csv_files = ["data6.csv","data7.csv","data8.csv","data9.csv","data10.csv"]
+
+for file in csv_files:
+    conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+    cur = conn.cursor()
+    sql = "delete from " + table + ";"
+    cur.execute(sql)
+    cur.close()
+    conn.commit()
+    conn.close()
+    t1 = time.time()
+
+    with open(file, 'r') as csvfile:
+        csvreader = csv.reader(csvfile)
+        header = next(csvreader)
+        
+        for row in csvreader:
+            sql = "insert into " + table + " values ("
+            n = len(row)
+            for i in range(n):
+                sql += "'" + row[i] + "'"
+                if i < n-1:
+                    sql += ", "
+            sql += ");"
+            conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+            cur = conn.cursor()        
+            cur.execute(sql)
+            cur.close()
+            conn.commit()
+            conn.close()
+
+    t2 = time.time()
+    print(file, " ", t2-t1)
\ No newline at end of file
diff --git a/Lab4-SQL/2_a.py b/Lab4-SQL/2_a.py
new file mode 100644
index 0000000..caaa6a8
--- /dev/null
+++ b/Lab4-SQL/2_a.py
@@ -0,0 +1,32 @@
+import psycopg2, config, time
+from matplotlib import pyplot as plt
+
+table = "COVID"
+num_rows = 100
+x = []
+y = []
+
+conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+cur = conn.cursor() 
+
+for i in range(100000//num_rows):
+    sql = "select * from " + table + " limit " + str(num_rows) + " offset " + str(i*num_rows) + ";"
+    t1 = time.time()
+    cur.execute(sql)
+    rows = cur.fetchall()
+    t2 = time.time()
+    t = t2-t1
+    if t > 0:
+        x += [i+1]
+        y += [t]
+
+bin = 40
+x = [sum(x[i:i+bin])/bin for i in range(0,len(x),bin)]
+y = [sum(y[i:i+bin])/bin for i in range(0,len(y),bin)]
+
+cur.close()
+conn.close()
+plt.plot(x,y)
+plt.xlabel("iteration")
+plt.ylabel("time (s)")
+plt.show()
\ No newline at end of file
diff --git a/Lab4-SQL/2_b.py b/Lab4-SQL/2_b.py
new file mode 100644
index 0000000..4c3a99c
--- /dev/null
+++ b/Lab4-SQL/2_b.py
@@ -0,0 +1,33 @@
+import psycopg2, config, time
+from matplotlib import pyplot as plt
+
+table = "COVID"
+num_rows = 100
+x = []
+y = []
+
+conn = psycopg2.connect(database=config.name, user=config.user, password=config.pswd, host=config.host, port=config.port)
+cur = conn.cursor() 
+
+sql = "select * from " + table + ";"
+cur.execute(sql)
+
+for i in range(100000//num_rows):
+    t1 = time.time()
+    rows = cur.fetchmany(num_rows)
+    t2 = time.time()
+    t = t2-t1
+    if t > 0 or True:
+        x += [i+1]
+        y += [t]
+
+bin = 40
+x = [sum(x[i:i+bin])/bin for i in range(0,len(x),bin)]
+y = [sum(y[i:i+bin])/bin for i in range(0,len(y),bin)]
+
+cur.close()
+conn.close()
+plt.plot(x,y)
+plt.xlabel("iteration")
+plt.ylabel("time (s)")
+plt.show()
\ No newline at end of file
diff --git a/Lab4-SQL/Problem Statement.pdf b/Lab4-SQL/Problem Statement.pdf
new file mode 100644
index 0000000..f5e4b58
Binary files /dev/null and b/Lab4-SQL/Problem Statement.pdf differ
diff --git a/Lab4-SQL/README.md b/Lab4-SQL/README.md
new file mode 100644
index 0000000..9c700d4
--- /dev/null
+++ b/Lab4-SQL/README.md
@@ -0,0 +1,5 @@
+# Benchmarking different methods in PostgreSQL
+
+* used psycopg2 library to connect to database via python
+* comparing bulk loading with individual INSERT statements wrt time-taken
+* using CURSORS to reduce fetch time of bulk queries
\ No newline at end of file
diff --git a/Lab4-SQL/Report.pdf b/Lab4-SQL/Report.pdf
new file mode 100644
index 0000000..2227795
Binary files /dev/null and b/Lab4-SQL/Report.pdf differ
diff --git a/Lab4-SQL/config.py b/Lab4-SQL/config.py
new file mode 100644
index 0000000..4e8a31e
--- /dev/null
+++ b/Lab4-SQL/config.py
@@ -0,0 +1,5 @@
+name = "lab4db"
+user = "postgres"
+pswd = "1234"
+host = "127.0.0.1"
+port = "5432"
\ No newline at end of file
diff --git a/Lab6-Neo4j/Problem Statement.pdf b/Lab6-Neo4j/Problem Statement.pdf
new file mode 100644
index 0000000..7e4436a
Binary files /dev/null and b/Lab6-Neo4j/Problem Statement.pdf differ
diff --git a/Lab6-Neo4j/README.md b/Lab6-Neo4j/README.md
new file mode 100644
index 0000000..6e58f25
--- /dev/null
+++ b/Lab6-Neo4j/README.md
@@ -0,0 +1,4 @@
+# Graph Databases using Neo4j
+
+* loading Twitter dataset (in CSV format) using Python
+* querying the database with Cypher Query Language
\ No newline at end of file
diff --git a/Lab6-Neo4j/contains.csv b/Lab6-Neo4j/contains.csv
new file mode 100644
index 0000000..50465ec
--- /dev/null
+++ b/Lab6-Neo4j/contains.csv
@@ -0,0 +1,201 @@
+tweet_id,hashtag_id
+1,1
+2,2
+2,3
+2,4
+4,5
+5,6
+6,7
+8,8
+8,9
+8,10
+8,11
+8,12
+8,13
+8,14
+9,15
+9,16
+9,17
+9,18
+9,19
+10,20
+11,21
+11,22
+11,23
+11,24
+11,25
+12,26
+12,27
+12,28
+12,29
+12,30
+12,31
+12,32
+12,33
+12,34
+13,35
+13,36
+14,37
+14,38
+14,39
+15,40
+15,41
+15,42
+15,43
+15,44
+16,45
+16,46
+16,47
+16,48
+17,49
+17,50
+19,51
+19,52
+21,53
+22,54
+22,55
+22,56
+22,57
+22,58
+22,59
+23,60
+23,61
+25,62
+25,63
+25,64
+25,65
+25,66
+25,67
+26,68
+26,69
+27,70
+27,71
+27,72
+27,73
+27,74
+27,75
+28,76
+30,77
+32,78
+32,79
+32,80
+32,81
+32,82
+32,83
+34,84
+34,85
+35,86
+35,87
+36,88
+37,89
+37,90
+37,91
+38,92
+38,93
+38,94
+38,95
+39,96
+41,97
+41,98
+45,99
+45,100
+45,101
+45,102
+45,103
+45,104
+45,105
+46,106
+46,107
+48,108
+48,109
+48,110
+49,111
+51,112
+51,113
+51,114
+52,115
+52,116
+52,117
+52,118
+53,119
+55,120
+57,121
+58,122
+58,123
+58,124
+58,125
+58,126
+58,127
+58,128
+59,129
+59,130
+59,131
+59,132
+59,133
+60,134
+60,135
+60,136
+60,137
+61,138
+61,139
+62,140
+62,141
+62,142
+63,143
+63,144
+63,145
+63,146
+66,147
+67,148
+70,149
+70,150
+70,151
+70,152
+71,153
+71,154
+71,155
+72,156
+72,157
+73,158
+76,159
+76,160
+76,161
+77,162
+78,163
+78,164
+78,165
+80,166
+80,167
+80,168
+81,169
+81,170
+82,171
+82,172
+82,173
+82,174
+82,175
+83,176
+83,177
+85,178
+85,179
+85,180
+85,181
+88,182
+88,183
+88,184
+88,185
+89,186
+91,187
+91,188
+91,189
+92,190
+93,191
+93,192
+94,193
+94,194
+99,195
+99,196
+100,197
+100,198
+100,199
+100,200
diff --git a/Lab6-Neo4j/follows.csv b/Lab6-Neo4j/follows.csv
new file mode 100644
index 0000000..4a84eb2
--- /dev/null
+++ b/Lab6-Neo4j/follows.csv
@@ -0,0 +1,43 @@
+user1_id,user2_id
+8,1
+3,1
+4,1
+5,1
+5,2
+10,2
+7,2
+3,2
+8,2
+9,2
+6,2
+6,3
+10,3
+8,3
+1,3
+9,3
+4,3
+4,5
+3,5
+2,6
+8,6
+8,7
+3,7
+2,7
+4,7
+6,7
+1,7
+5,7
+6,8
+3,9
+4,9
+5,9
+8,9
+6,9
+2,9
+7,9
+1,9
+10,9
+4,10
+5,10
+5,11
+10,11
diff --git a/Lab6-Neo4j/hashtags.csv b/Lab6-Neo4j/hashtags.csv
new file mode 100644
index 0000000..97f41ee
--- /dev/null
+++ b/Lab6-Neo4j/hashtags.csv
@@ -0,0 +1,201 @@
+id,hashtag
+1,run
+2,lyft
+3,disapointed
+4,getthanked
+5,model
+6,motivation
+7,allshowandnogo
+8,school
+9,exams
+10,hate
+11,imagine
+12,actorslife
+13,revolutionschool
+14,girl
+15,allin
+16,cavs
+17,champions
+18,cleveland
+19,clevelandcavaliers
+20,gr8
+21,ireland
+22,blog
+23,silver
+24,gold
+25,forex
+26,orlando
+27,standwithorlando
+28,pulseshooting
+29,orlandoshooting
+30,biggerproblems
+31,selfish
+32,heabreaking
+33,values
+34,love
+35,80days
+36,gettingfed
+37,cnn
+38,michigan
+39,tcot
+40,australia
+41,opkillingbay
+42,seashepherd
+43,helpcovedolphins
+44,thecove
+45,ngry#got7
+46,junior
+47,yugyoem
+48,omg
+49,thankful
+50,positive
+51,friday!
+52,cookies
+53,euro2016
+54,badday
+55,coneofshame
+56,cats
+57,pissed
+58,funny
+59,laughs
+60,wine
+61,weekend?
+62,tgif
+63,ff
+64,gamedev
+65,indiedev
+66,indiegamedev
+67,squad!
+68,upsideofflorida
+69,shopalyssas
+70,smiles
+71,media
+72,pressconference
+73,antalya
+74,turkey
+75,throwback
+76,ica16
+77,rip#orlando
+78,alohafriday
+79,time
+80,not
+81,exist
+82,positivevibes
+83,hawaiian
+84,goodnight
+85,badmonday
+86,neverump
+87,xenophobia
+88,taylorswift1989
+89,travelingram
+90,dalat
+91,ripinkylife
+92,photoshop.
+93,enoughisenough
+94,dontphotoshopeverything
+95,wheresallthenaturalphotos
+96,cedarpoint.
+97,bookworm
+98,ontothenextnovel
+99,looms#flowers
+100,grow
+101,gardening
+102,iphonesia
+103,bliss
+104,blooms
+105,basilicabotanica
+106,i_am
+107,affirmation
+108,whenever
+109,something
+110,wrong
+111,illustration
+112,abc2020
+113,pulseclub
+114,prayfororlando
+115,bihday
+116,nose
+117,job
+118,petunia
+119,albanpilgrimage
+120,wedding#
+121,peace
+122,video
+123,fathers
+124,day
+125,rayos
+126,world
+127,hotvideo
+128,videos
+129,ascot
+130,fashion
+131,monochrome
+132,style
+133,instahappyday
+134,selfie
+135,yolo
+136,xoxo
+137,like4like
+138,work
+139,mindset
+140,christinarip
+141,voice
+142,christinagrimmie
+143,roar
+144,preschoolers
+145,students
+146,proud
+147,chatiado
+148,ay#
+149,travel
+150,yeah
+151,thejourneybegins
+152,hello
+153,luv
+154,hottweets
+155,venusexchange
+156,aworks
+157,solutions
+158,disneygatorattack
+159,udtapunjab'
+160,"amarinder,"
+161,aap
+162,senseaboutmaths
+163,race
+164,identity
+165,med
+166,golfstrengthandconditioning
+167,strong
+168,felixfoisgolf
+169,greathonour
+170,careerconvos
+171,innovative
+172,wateringhole
+173,cave
+174,mountaintop
+175,campfire
+176,altright
+177,whitesupremacy
+178,heal
+179,altwaystoheal
+180,healthy
+181,peace!
+182,midweek
+183,newmusic
+184,watchthisspace
+185,guitar
+186,up
+187,snapchat
+188,redhead
+189,vermillionred
+190,people
+191,goodtimes
+192,history
+193,summeime
+194,memories
+195,hump
+196,humpers
+197,shop
+198,cool
+199,home
+200,fun
diff --git a/Lab6-Neo4j/loaddata.py b/Lab6-Neo4j/loaddata.py
new file mode 100644
index 0000000..a14797b
--- /dev/null
+++ b/Lab6-Neo4j/loaddata.py
@@ -0,0 +1,45 @@
+import csv
+
+file = open("loaddata.cypher", 'w')
+
+with open("users.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('CREATE (:User {id: ' + row[0] + ', name: "' + row[1] + '"});\n')
+
+with open("tweets.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('CREATE (:Tweet {id: ' + row[0] + ', text: "' + row[1] + '"});\n')
+
+with open("hashtags.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('CREATE (:Hashtag {id: ' + row[0] + ', tag: "' + row[1] + '"});\n')
+
+with open("follows.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('MATCH (a:User {id: ' + row[0] + '}), (b:User {id: ' + row[1] + '}) CREATE (a)-[:Follows]->(b);\n')
+
+with open("sent.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('MATCH (a:User {id: ' + row[0] + '}), (b:Tweet {id: ' + row[1] + '}) CREATE (a)-[:Sent]->(b);\n')
+
+with open("mentions.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('MATCH (a:Tweet {id: ' + row[0] + '}), (b:User {id: ' + row[1] + '}) CREATE (a)-[:Mentions]->(b);\n')
+
+with open("contains.csv", 'r') as csvfile:
+    csvreader = csv.reader(csvfile)
+    fields = next(csvreader)
+    for row in csvreader:
+        file.write('MATCH (a:Tweet {id: ' + row[0] + '}), (b:Hashtag {id: ' + row[1] + '}) CREATE (a)-[:Contains]->(b);\n')
\ No newline at end of file
diff --git a/Lab6-Neo4j/mentions.csv b/Lab6-Neo4j/mentions.csv
new file mode 100644
index 0000000..60f973f
--- /dev/null
+++ b/Lab6-Neo4j/mentions.csv
@@ -0,0 +1,66 @@
+tweet_id,user_id
+1,1
+2,2
+2,3
+7,4
+7,5
+7,6
+7,7
+7,8
+7,9
+7,10
+7,11
+10,1
+10,2
+14,3
+19,4
+24,5
+24,6
+25,7
+25,8
+25,9
+25,10
+25,11
+25,1
+27,2
+29,3
+32,4
+32,5
+32,6
+32,7
+33,8
+38,9
+44,10
+52,11
+53,1
+54,2
+55,3
+57,4
+59,5
+62,6
+65,7
+66,8
+71,9
+74,10
+77,11
+77,1
+77,2
+77,3
+77,4
+78,5
+78,6
+79,7
+79,8
+81,9
+81,10
+82,11
+82,1
+82,2
+90,3
+90,4
+91,5
+91,6
+93,7
+95,8
+96,9
+99,10
diff --git a/Lab6-Neo4j/queries.txt b/Lab6-Neo4j/queries.txt
new file mode 100644
index 0000000..a3da163
--- /dev/null
+++ b/Lab6-Neo4j/queries.txt
@@ -0,0 +1,19 @@
+a. MATCH (n:User)-[:Sent]->(:Tweet)-[:Mentions]->(n:User) RETURN n.name ORDER BY n.name;
+
+b. MATCH (t:Tweet)-[:Contains]->(h:Hashtag) WHERE h.tag = 'proud' AND t.text =~ 'we.*' RETURN t.text;
+
+c. MATCH (n:User)-[:Sent]->(t:Tweet)<-[:Sent]-(:User {name: "Jessica"}) WHERE NOT (t)-[:Contains]->(:Hashtag) RETURN n.name, t.text;
+
+d. MATCH (n:User)-[:Sent]->(t:Tweet)<-[:Sent]-(j:User {name: "Jessica"}) WHERE NOT (t)-[:Contains]->(:Hashtag) AND NOT (n)-[:Follows]->(j) RETURN n.name;
+
+e. MATCH (:User)-[:Follows]->(n:User) RETURN n.name, count(*) as followers ORDER BY followers DESC LIMIT 5;
+
+f. MATCH p = (:User {name: "Ashley"})-[:Follows*]->(n:User) WHERE n.name<>"Ashley" RETURN n.name, max(length(p))
+
+g. MATCH (:User {name: "Thomas"})-[:Follows]->(:User)<-[:Follows]-(n:User) RETURN n.name, count(*) as cnt ORDER BY cnt DESC, n.name LIMIT 5;
+
+h. MATCH (n:User)-[:Sent]->(t:Tweet)-[:Mentions]->(x:User) WHERE NOT (n)-[:Follows]->(x) and n<>x RETURN n.name, x.name, t.text;
+
+i. MATCH (n:User)-[:Sent]->(:Tweet)-[:Contains]->(h:Hashtag) WHERE (:User {name: "Thomas"})-[:Sent]->(:Tweet)-[:Contains]->(h:Hashtag) and n.name<>"Thomas" RETURN DISTINCT n.name;
+
+j. MATCH (:User {name: "Thomas"})-[:Follows]->(:User)<-[:Follows]-(m:User) WITH m, count(*) as c ORDER By c DESC, m.name LIMIT 5 MATCH (x:User)<-[:Follows]-(m:User) RETURN x.name, count(*) as cnt ORDER BY cnt DESC, x.name LIMIT 2;
\ No newline at end of file
diff --git a/Lab6-Neo4j/sent.csv b/Lab6-Neo4j/sent.csv
new file mode 100644
index 0000000..821bd33
--- /dev/null
+++ b/Lab6-Neo4j/sent.csv
@@ -0,0 +1,109 @@
+user_id,tweet_id
+1,1
+2,2
+3,3
+4,4
+5,5
+6,6
+7,7
+8,8
+9,9
+10,10
+11,11
+1,12
+2,13
+3,14
+4,15
+5,16
+6,17
+7,18
+8,19
+9,20
+10,21
+11,22
+1,23
+2,24
+3,25
+4,26
+5,27
+6,28
+7,29
+8,30
+9,31
+10,32
+11,33
+1,34
+2,35
+3,36
+4,37
+5,38
+6,39
+7,40
+8,41
+9,42
+10,43
+11,44
+1,45
+2,46
+3,47
+4,48
+5,49
+6,50
+7,51
+8,52
+9,53
+10,54
+11,55
+1,56
+2,57
+3,58
+4,59
+5,60
+6,61
+7,62
+8,63
+9,64
+10,65
+11,66
+1,67
+2,68
+3,69
+4,70
+5,71
+6,72
+7,73
+8,74
+9,75
+10,76
+11,77
+1,78
+2,79
+3,80
+4,81
+5,82
+6,83
+7,84
+8,85
+9,86
+10,87
+11,88
+1,89
+2,90
+3,91
+4,92
+5,93
+6,94
+7,95
+8,96
+9,97
+10,98
+11,99
+1,100
+2,5
+3,16
+4,3
+5,18
+6,18
+8,18
+9,18
+10,84
diff --git a/Lab6-Neo4j/tweets.csv b/Lab6-Neo4j/tweets.csv
new file mode 100644
index 0000000..493b9c9
--- /dev/null
+++ b/Lab6-Neo4j/tweets.csv
@@ -0,0 +1,101 @@
+id,tweet
+1,@James when a father is dysfunctional and is so selfish he drags his kids into his dysfunction. #run
+2,@Elizabeth @John thanks for #lyft credit i can't use cause they don't offer wheelchair vans in pdx. #disapointed #getthanked
+3,bihday your majesty
+4,#model i love u take with u all the time in ur!!!
+5,factsguide: society now #motivation
+6,[2/2] huge fan fare and big talking before they leave. chaos and pay disputes when they get there. #allshowandnogo
+7,@Richard camping tomorrow @Thomas @Susan @Jessica @Ashley @Steven @Dorothy @Karen danny
+8,the next school year is the year for exams. can't think about that #school #exams #hate #imagine #actorslife #revolutionschool #girl
+9,we won!!! love the land!!! #allin #cavs #champions #cleveland #clevelandcavaliers
+10,@James @Elizabeth welcome here ! i'm it's so #gr8 !
+11,#ireland consumer price index (mom) climbed from previous 0.2% to 0.5% in may #blog #silver #gold #forex
+12,we are so selfish. #orlando #standwithorlando #pulseshooting #orlandoshooting #biggerproblems #selfish #heabreaking #values #love #
+13,i get to see my daddy today!! #80days #gettingfed
+14,@John #cnn calls #michigan middle school 'build the wall' chant '' #tcot
+15,no comment! in #australia #opkillingbay #seashepherd #helpcovedolphins #thecove #helpcovedolphins
+16,ouch...junior is angry#got7 #junior #yugyoem #omg
+17,i am thankful for having a paner. #thankful #positive
+18,retweet if you agree!
+19,its #friday! smiles all around via ig user: @Richard #cookies make people
+20,"as we all know, essential oils are not made of chemicals."
+21,#euro2016 people blaming ha for conceded goal was it fat rooney who gave away free kick knowing bale can hit them from there.
+22,sad little dude.. #badday #coneofshame #cats #pissed #funny #laughs
+23,product of the day: happy man #wine tool who's it's the #weekend? time to open up &amp; drink up!
+24,@Thomas @Susan lumpy says i am a . prove it lumpy.
+25,@Jessica #tgif #ff to my #gamedev #indiedev #indiegamedev #squad! @Ashley @Steven @Dorothy @Karen @James
+26,beautiful sign by vendor 80 for $45.00!! #upsideofflorida #shopalyssas #love
+27,@Elizabeth all #smiles when #media is !! #pressconference in #antalya #turkey ! sunday #throwback love!
+28,we had a great panel on the mediatization of the public service #ica16
+29,happy father's day @John
+30,50 people went to nightclub to have a good night and 1 man's actions means those people are lost to their families forever #rip#orlando
+31,i have never had a chance to vote for a presidential candidate i was excited about and this cycle looks to be no different.
+32,#alohafriday #time does #not #exist #positivevibes #hawaiian @Richard @Thomas @Susan @Jessica
+33,"@Ashley rip to the fellow nohern ireland fan who sadley passed away tonight!.. gawa, forever singing and cheering on fire"
+34,it was a hard monday due to cloudy weather. disabling oxygen production for today. #goodnight #badmonday
+35,it's unbelievable that in the 21st century we'd need something like this. again. #neverump #xenophobia
+36,#taylorswift1989 bull up: you will dominate your bull and you will direct it whatever you want it to do. w
+37,morning~~ #travelingram #dalat #ripinkylife
+38,@Steven once more only one word tells it all: #photoshop. #enoughisenough #dontphotoshopeverything #wheresallthenaturalphotos
+39,"oh, #cedarpoint. waited 2 hours in the valravn line and it stopped working. we were so close."
+40,i am thankful for sunshine. #thankful #positive
+41,when you finally finish a book you've been working on for awhile... #bookworm #ontothenextnovel
+42,"yup, being a knicks fan is hard, so its easier to just be an nba fan when the playoffs roll around"
+43,there is life after social networking. embrace each day. be
+44,my mom shares the same bihday as @Dorothy bihday snake! see you this weekend
+45,lovely echeveria blooms#flowers #grow #gardening #iphonesia #bliss #blooms #basilicabotanica
+46,i am amazing. #i_am #positive #affirmation
+47,#model i love u take with u all the time in ur!!!
+48,#whenever im and #something goes #wrong |
+49,feeling blue #illustration
+50,the best pa about life is knowing who you are!
+51,#abc2020 getting ready 2 remove the victums frm #pulseclub #prayfororlando
+52,for her #bihday we got her a #nose #job @Karen #bihday #petunia we love you
+53,off to concelebrate at the #albanpilgrimage for the first time. @James
+54,@Elizabeth let the scum-baggery begin.....
+55,"thank you! super love it! zpamdelacruz #wedding# @John dolores, capas tarlac."
+56,a scourge on those playing baroque pieces on piano beyond belief
+57,@Richard lets fight against #love #peace
+58,"happy fathers day, mr. rayos #video #fathers #day #rayos #world #hotvideo #videos"
+59,@Thomas ascot times with this babe #ascot #fashion #monochrome #style #instahappyday
+60,the weekend..is here!! #selfie #yolo #xoxo #like4like
+61,happy at work conference: right' mindset leads to culture-of-development organizations #work #mindset
+62,christina grimmie's last performance before being shot... via @Susan #christinarip #voice #christinagrimmie
+63,we are ready to dance #roar #preschoolers #students #proud
+64,you've really hu my feelings
+65,@Jessica my wife whom i adore had to miss your poland show because she had surgery. her name is bridget &amp; she's my everything.
+66,@Ashley i am so jealous of you right now.... #chatiado
+67,i celebrate every man that has played it's fatherly role. father's day#
+68,i'm sure they are just as happy.... hour
+69,the white establishment can't have blk folx running around loving themselves and promoting our greatness
+70,good morning! the journey begins! #travel #yeah #thejourneybegins #hello
+71,@Steven # if you #luv #hottweets like this from #venusexchange
+72,our new brochures have arrived! how exciting!! #aworks #solutions
+73,so much stuff happening in florida! first #orlando shooting and now #disneygatorattack on a two year old kid
+74,"@Dorothy ferrari will do it for the sake of the championship. this gp is clearly a turning point rb, ferrari,mercs..."
+75,aced my first test! #proud
+76,"seeks probe into #udtapunjab' leak, points finger at #amarinder, #aap"
+77,@Karen wrapping up #senseaboutmaths @James 6th @Elizabeth @John @Richard
+78,"@Thomas hey, white people: you can call people 'white' by @Susan #race #identity #med"
+79,@Jessica @Ashley you might be. just have not shown here today. regurgitated talking points and name calling?
+80,sometimes you have to raise a few brows to raise the bar. #golfstrengthandconditioning #strong #felixfoisgolf
+81,about that #greathonour #careerconvos @Steven @Dorothy
+82,@Karen designing #innovative learning space @James to include #wateringhole #cave #mountaintop #campfire @Elizabeth h
+83,how the #altright uses &amp; insecurity to lure men into #whitesupremacy
+84,carrying a gun wouldn't of helped if you can't take it in with you. gun control won't stop the black market! terrorism will get worse!
+85,use the power of your mind to #heal your body!! - #altwaystoheal #healthy #peace!
+86,woohoo!! just over 5 weeks to go!
+87,being in a far away place where you have no family members hus
+88,"ready to rehearse tonight with new music and new videos, look out for the announcement! #midweek #newmusic #watchthisspace #guitar"
+89,now on monday nights at 8pm on #up channel!!!! i finally get to see what all the fuss is about!!!
+90,watching the new episodes of @John on @Richard
+91,@Thomas offline now after a very nice and long night.. #snapchat @Susan #redhead #vermillionred
+92,15 things incredibly #people do
+93,yes! received my acceptance letter for my masters so will be back at @Jessica again in october! #goodtimes #history
+94,"daughter riding her bike around driveway, son playing his guitar for us while we enjoy by the campfire... #summeime #memories"
+95,omg!!! loving this station!!! way to jam out at work!!! while getting work done of course!!!! #memories @Ashley
+96,"@Steven i'll always hope that one day i'll get to hug you, but i don't think that it's gonna happen anytime soon..."
+97,#model i love u take with u all the time in ur!!!
+98,couple having sex fat naked japanese girls
+99,"#hump on that #hump day #humpers @Dorothy edwardsville, pennsylvania"
+100,personalised we... gbp 7.99 get here: #shop #cool #home #fun
diff --git a/Lab6-Neo4j/users.csv b/Lab6-Neo4j/users.csv
new file mode 100644
index 0000000..31344aa
--- /dev/null
+++ b/Lab6-Neo4j/users.csv
@@ -0,0 +1,12 @@
+id,name
+1,James
+2,Elizabeth
+3,John
+4,Richard
+5,Thomas
+6,Susan
+7,Jessica
+8,Ashley
+9,Steven
+10,Dorothy
+11,Karen
diff --git a/README.md b/README.md
index ca3a372..f3db95a 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,9 @@
-Assignments in Course CS 387 : Database and information systems Lab at IIT Bombay Spring 2021
+# Database and Information Systems Lab
+
+Assignments in the course CS 387: Database and information systems Lab at IIT Bombay, Spring 2021
+
+
+### Authors
+
+**Nimay Gupta**
+**Shalabh Gupta**
\ No newline at end of file