SQL - Group By Clause SQL - Having Clause SQL - AND & OR SQL - BOOLEAN (BIT) Operator SQL - LIKE Operator SQL - IN Operator SQL - ANY, ALL Operators SQL - EXISTS Operator SQL - CASE SQL - NOT Operator SQL - NOT
DATE TIMETIMESTAMP Composed of a number of integer fields, representing an absolute point in time, depending on sub-type. INTERVAL Composed of a number of integer fields, representing a period of time, depending on the type of interval. COLLECTION (ARRAY, MULTISET) ARRAY(offered in SQL99) is...
This guide is an essential starting point for any novice wanting to learn PL/SQL. Having a clear grasp of the underlying concepts and functionalities allows you to begin creating powerful database applications using Oracle. With that in mind, it is all about practicing further on in your career...
The biggest difference between these types of SQL and the SQL that runs on top of relational databases is the former lacks the ability to manage data at the row level. For example, updating a row is not possible. In this tutorial, we will point out how the two most popular Big Data ...
many cases, SQL Server might provide better performance, particularly for tasks such as data aggregation and feature engineering. Such tasks can particularly benefit from new features in SQL Server, such as memory optimized columnstore indexes. We try to point out possible optimizations along the way...
REAL –guide you on how to use single-precision floating-point numbers in the database. Integer –introduce you to various integer types in PostgreSQL including SMALLINT, INT and BIGINT. DATE –introduce the DATE data type for storing date values. Timestamp –understand timestamp data types qu...
Spark SQL is one of the main components of Apache Spark. Learn about Spark SQL libraries, queries, and features in this Spark SQL Tutorial.
Imprecise functions contain operations such as floating point operations. IsSystemVerified The precision and determinism properties of the function can be verified by SQL Server. SystemDataAccess Function accesses system data (system catalogs or virtual system tables) in the local instance of SQL Server...
At this point, you're ready to use Active Directory-based logins in SQL Server. Create Active Directory-based logins in Transact-SQL Connect to SQL Server and create a new, Active Directory-based login: SQL CREATELOGIN [CONTOSO\user]FROMWINDOWS; ...
Right-click theNamecolumn, point toInsert Column, and then selectLeft. A new column is added to the left of theNamecolumn. Select the header of the new column and enterM/F. Add a rectangle On theInserttab, selectRectangleand then choose in the data cell of theM/Fcolumn. ...