Sql keyword - Study guides, Class notes & Summaries

Business Intelligence (BI) systems are information systems that are used to support management decisions. correct answers True Ad-hoc queries are questions that can be answered using database data. correct answers True Online Transaction Processing (OLTP) are systems are the backbone of businesses as they operate today. correct answers True SQL queries only work with SQL Server (not used in Access). correct answers False Data Definition Language (DDL) is used for querying, inserting,...

1) SQL is a data sublanguage, not a complete programming language. - Answer- Answer: TRUE 2) When using SQL to create a table, a column is defined by declaring, in this order: data type, column name, and optional constraints. - Answer- Answer: FALSE 3) When using SQL to create a table, specifying the NULL property for a column indicates that only null values may be stored in that column. - Answer- Answer: FALSE 4) When using SQL to create a table, specifying a data type of Char(10) indi...

3 Vs - Three basic characteristics of Big Data databases: volume, velocity, and variety. abstract data type (ADT) - Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n)___ is generally used to describe complex objects. See also class. ad hoc query - A "spur-of-the-moment" question. alias - An alternative name for a column or table in a SQL statement. ALTER TABLE - The SQL command used to make changes to table structure. When...

alias Ans- An alternative name for a column or table in a SQL statement. ALTER TABLE Ans- The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column characteristics. AND Ans- The SQL logical operator used to link multiple conditional expressions in a WHERE or HAVING clause. It requires that all conditional expressions evaluate to true. AVG Ans- A SQL aggregate function that outputs the mean...

Learning about social engineering and how to protect passwords is ___. - Education The ______ keyword in SQL is used to inform the DBMS what tables are to be interrogated by the query and, if more than one table contains the data of interest, how they are to be combined or joined. - FROM A ____________ is also known as a datasheet. - Database Table Operations used to alter the data within a relation of a database - Update , Delete , Insert Best describes the differences between memory and ...

WGU D191 - Advanced Data Management (SQL) || Questions & Answers (Rated A+) WGU D191 - Advanced Data Management (SQL) || Questions & Answers (Rated A+) to combine Rows from tables based on a match condition - ANSWER - primary purpose of a JOIN is: returns a single value (scalar) or Row set that is immediately available for use in the Outer query - ANSWER - A subquery: Returns a distinct list of Rows from both tables. like a Logical OR would do... - ANSWER - UNION operator Returns AL...

3 V's of Big Data - -Three basic characteristics of Big Data databases: volume, velocity, and variety. Abstract Data Type (ADT) - -Data type that describes a set of similar objects with shared and encapsulated data representation and methods. An abstract data type is generally used to describe complex objects. See also class. ad hoc query - -A "spur-of-the-moment" question. alias - -An alternative name for a column or table in a SQL statement. ALTER TABLE - -The SQL command used to make...

Access plan - Answer-A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias - Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE - Answer-The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column characteristics. AREA - ...

Database Application Software that helps business users interact with database systems. Database Administrator Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization Many database users should have limited access to specific tables, columns, or rows of a database. Database systems authorize individual users to access specific data. Rules Database...

Paycom Interview Questions All Answers Correct What is a dynamic ip address and a static ip address? - Difference between static and dynamic IPs. When a device is assigned a static IP address, the address does not change. Most devices use dynamic IP addresses, which are assigned by the network when they connect and change over time - A dynamic IP address is an IP address that's automatically assigned to each connection, or node, of a network, like your smartphone, desktop PC, wireless ...