Database Management > QUESTIONS & ANSWERS > WGU Data Management - Applications - C170 OA GSA1 (All)

WGU Data Management - Applications - C170 OA GSA1

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Add New Row Ans- INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, value3, ...); Update Row Ans- UPDATE table_name SET column1 = value1, column2 = value2, ... WHERE condition;... Delete Row Ans- DELETE FROM table_name WHERE condition; Inner Join Ans- SELECT column_name(s) FROM table1 INNER JOIN table2 ON table1.column_name = table2.column_name; CREATE VIEW Ans- CREATE VIEW viewname AS SELECT Col1, Col2 FROM table WHERE condition; Concatenate Ans- CONCAT(Col1, Col2) AS NewColumnName; Create Index Ans- CREATE INDEX index_name ON table_name (column1, column2, ...); Create Database Ans- CREATE DATABASE databasename; Drop Database Ans- DROP DATABASE databasename; Create Table Ans- CREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype, .... ); Set Primary Key Ans- CREATE TABLE Persons ( ID int NOT NULL, LastName varchar(255) NOT NULL, FirstName varchar(255), Age int, PRIMARY KEY (ID) ); Set Foreign Key Ans- CREATE TABLE Orders ( OrderID int NOT NULL, OrderNumber int NOT NULL, PersonID int, PRIMARY KEY (OrderID), FOREIGN KEY (PersonID) REFERENCES Persons(PersonID) [Show More]

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