About author : (1) V. NIRMALA working as Assistant Professor in MCA Department at Annamachaya P.G College of Computer Studies, Rajampet since 2008. She was done Master's Degree at KSRM Engineering College, Kadapa in 2007. She was Completed M.Tech in Computer Science and Engineering College from Acharya Nagarjuna University , Guntur in 2010. (2) Prof. N. Geethanjali, Professor, Department of Computer Science and Technology, Sri Krishnadevaraya University, Anantapur, Andhra Pradesh. She obtained her Ph.D. at Sri Krishnadevaraya University in the field of computer science. She has more than 35 years of teaching experience. The professor is an avid researcher and has supervised 16 Ph.D. and 6 M.Phil. students. Numerous papers have been published in national and international journals, as well as at many conferences at national and international levels. As an educator, she possesses hands-on experience and skills in developing curriculum that maximizes students' ability to acquire comprehensive knowledge. She is the adjudicator of more than 85 thesis books from universities such as ANU, SPMVV, SVU, GITTAM, KLU, REVA, etc. She is a member of the Board of Studies for B.Tech, M.Tech, MCA, and M.Sc. It is her honour to be a life member of various professional bodies, including ISTE, APSMS, CSI, and ACM. As a teacher, she has taught C & Data Structure, C++, Computer Networks, Web Technologies, Data Mining, Mobile Application Development, and Data Science with Python. Her research interests include Data Science, Computer Networks, Data Mining, Machine Learning, Cloud Computing, and Image Processing. (3) Dr. D.J. SAMATHA NAIDU, completed MCA from S V University,Tirupati, M.Phil in Computer Science from Madurai Kamaraj University Madurai, M.Tech in Computer Science and Engineering from JNTUA, Anantapur. Ph.D in Computer Science from Vikrama Simhapuri University, Nellore.Currently working as Professor & Principal, Annamacharya P.G College of Computer Studies, Raja

About book : The Book " Basics of Structured Query Language" provides a nutshell of SQL basic commands, Integrity Constraints with hands on examples. This book gives explanation of SQL operators with enhanced practice examples. It deals with sufficient information about various types of Queries particularly Nested Queries and Co-related Queries along with the various types of Joins.