Here are 5 practice interview questions to get you started.New: Sign up for a free SQL mini-course Make sure you're prepared for the interview that could change your career. Sign up to receive five free must-learn lessons in preparation for your SQL interview. Start preparing today! First...
SQL is a language used to view or change data in databases. Get these online SQL Practice Questions and prepare for your next SQL examination.
Today is the day for SQL practice #1. In this series, so far, we’ve covered most important SQL commands (CREATE DATABASE & CREATE TABLE, INSERT, SELECT) and some concepts (primary key, foreign key) and theory (stored procedures, user-defined functions, views). Now it’s time to discu...
In the standard version of both SQL Practice Problems and More SQL Practice Problems, most questions have numerous hints that you can use to move forward in solving the practice problem. They’re very useful if you’re completely stuck on a problem. However, based on numerous requests from re...
SQL Practice - July 3,18 One day off for yesterday because of overtime work. Again, two questions for today. Question 1:Consecutive Numbers Source: Leetcode Write a SQL query to find all numbers that appear at least three times consecutively....
SQL Interview Questions 1. What is Pattern Matching in SQL? 2. How to create empty tables with the same structure as another table? 3. What is a Recursive Stored Procedure? 4. What is a Stored Procedure? 5. What is Collation? What are the different types of Collation Sensitivity? 6....
Choose your answer to the question and click "Continue" to see how you did. Then click 'Next Question' to answer the next question. When you have completed the free practice test, click 'View Results' to see your results. Good luck!
These kinds ofSQL interview questionsconfuse the candidate at times. So, coming to the question, there are three different kinds of operators available in SQL. They are: Arithmetical operators Logical operators Comparison operators 4) Are the terms zero or blank space the same as that of NULL ...
1.设计学院管理系统(外键思路) 学生信息表 姓名(与班主任、成绩、科目关联) 学号 班级(与班主任、任课老师关联) 科目表 语文(与任课老师关联) 数学 英语 政治 成绩表 各科成绩(成绩与任课老师、班主任、学生姓名、学号关联) 总成绩 平均成绩 教师表 任课老师(与
SQL Exercises, Practice, Solution: Structured Query Language (SQL) is a language used to view or change data in databases. The sentences used in this language are called SQL Queries.