SQL Important of SQL Interview Questions. There is given sql interview questions and answers that has been asked in many companies. For PL/SQL interview questions, visit our next pag... Iwe3official 26 Dec, 2022
SQL What is the difference between PostgreSQL vs MySQL?? Although, PostgreSQL and MySQL both are very popular relational database management systems (RDBMS) but there are radical differences betwee... Iwe3official 26 Dec, 2022
SQL What is difference between MariaDB vs MySQL?? The main goal of MariaDB development is to be a drop in replacement of MySQL to provide greater features and better performance. MariaDB is ... Iwe3official 26 Dec, 2022
SQL What is SQL Injection?? If you take a user input through a webpage and insert it into a SQL database, there is a chance that you have left yourself wide open for a ... Iwe3official 26 Dec, 2022
SQL What is Handling Duplicates in SQL?? There may be a situation when you have multiple duplicate records in a table. While fetching such records, it makes more sense to fetch only... Iwe3official 26 Dec, 2022
SQL Why Using Sequences in SQL?? A sequence is a set of integers 1, 2, 3, ... that are generated in order on demand. Sequences are frequently used in databases because many ... Iwe3official 26 Dec, 2022
SQL Explain Sub Queries in SQL?? A Subquery or Inner query or a Nested query is a query within another SQL query and embedded within the WHERE clause. A subquery is used to ... Iwe3official 26 Dec, 2022
SQL What is Clone Tables in SQL?? There may be a situation when you need an exact copy of a table and the CREATE TABLE ... or the SELECT... commands does not suit your purpos... Iwe3official 26 Dec, 2022
SQL What is Temporary Tables in SQL?? What are Temporary Tables? There are RDBMS, which support temporary tables. Temporary Tables are a great feature that lets you store and pro... Iwe3official 26 Dec, 2022
SQL Explain Date Functions in SQL?? ADDDATE(date,INTERVAL expr unit), ADDDATE(expr,days) When invoked with the INTERVAL form of the second argument, ADDDATE() is a synonym for ... Iwe3official 26 Dec, 2022
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