This section provides a huge collection of SQL Interview Questions with their answers hidden in a box to challenge you to have a go at them before discovering the correct answer. 2 SQL Online Quiz This section provides a great collection of SQL Multiple Choice Questions (MCQs) on a single ...
PL/SQL Questions and Answers - Explore a comprehensive collection of PL/SQL questions and answers to enhance your database programming skills. Perfect for interviews and exam preparation.
SQLCREATE DatabaseThe SQLCREATE DATABASEstatement is used to create new SQL database.Syntax: Basic syntax of CREATE DATABASE statement is as follows: CREATE DATABASE DatabaseName; Always database name should be unique within the RDBMS.Example:If you want to create new database <testDB>, the...
HR Interview Questions Computer Glossary Who is WhoSQL - Using the Group Functions QuestionsPrevious Quiz Next 1. Which of the following is NOT a GROUP BY function?MAX MIN NVL AVGAnswer: C. NVL is a general function used to provide alternate value to the NULL values. The functions MAX, MI...
Answer the questions 37 and 38 that follow the query given below:SQL> DESC employees Name Null? Type --- --- --- EMPLOYEE_ID NOT NULL NUMBER(6) FIRST_NAME VARCHAR2(20) LAST_NAME NOT NULL VARCHAR2(25) EMAIL NOT NULL VARCHAR2(25) PHONE_NUMBER VARCHAR2(20) HIRE_DATE NOT NULL DATE...
HR Interview Questions Computer Glossary Who is WhoSQL - Using the Set Operators QuestionsPrevious Quiz Next 1.Which SET operator does the following figure indicate?UNION UNION ALL INTERSECT MINUSAnswer: A. Set operators are used to combine the results of two (or more) SELECT statements.Valid se...
HR Interview Questions Computer Glossary Who is WhoOracle Database 11g - SQL Exams SyllabusPrevious Next (Oracle Certified Oracle Database 11g Administrator)Oracle Database 11g: SQL Fundamentals certification exams has a defined Syllabus to check your expertise. As per Oracle Official website, followin...
CREATE [OR REPLACE ] TRIGGER trigger_name {BEFORE | AFTER | INSTEAD OF } {INSERT [OR] | UPDATE [OR] | DELETE} [OF col_name] ON table_name [REFERENCING OLD AS o NEW AS n] [FOR EACH ROW] WHEN (condition) DECLARE Declaration-statements BEGIN Executable-statements EXCEPTION Exception-...
REPORT ZDEMONATIVE_SQL. DATA: BEGIN OF wa, connid TYPE SPFLI-connid, cityfrom TYPE SPFLI-cityfrom, cityto TYPE SPFLI-cityto, END OF wa. DATA c1 TYPE SPFLI-carrid VALUE 'LH'. EXEC SQL PERFORMING loop_output. SELECT connid, cityfrom, cityto INTO :wa FROM SPFLI WHERE carrid = :...
HR Interview Questions Computer Glossary Who is WhoDiscuss T-SQLPrevious Next T-SQL (Transact-SQL) is an extension of SQL language. This tutorial covers the fundamental concepts of T-SQL such as its various functions, procedures, indexes, and transactions related to the topic. Each topic is ex...