Technique #1: How to find duplicate values in SQL table Identifyingduplicate valuesin a database is essential for maintaining data integrity and accuracy. To find duplicate values in an SQL table, you can utilize the “GROUP BY” and “HAVING” clauses along with aggregate functions. ...
SQL is classified into the following categories. Note that statements mentioned in the following tables may vary in different databases. CommandsDescription DDL Data Definition Language DML Data Manipulation Language TCL Transaction Control Language DCL Data Control Language ...
SQL stands for Structured Query Language SQL is a standard language for accessing databases SQL has been an international standard (ISO) since 1987SQL StatementsTo access a database, you use SQL statements.The following SQL statement selects all records in a database table called "Customers":...
Virtual log file growth In previous versions of SQL Server, if the next growth is more than 1/8 of the current log size, and the growth is less than 64 MB, four VLFs were created. In SQL Server 2022 (16.x), this behavior is slightly different. Only one VLF is created if the grow...
A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Da...
Always Encrypted: When enabled, only the application that has the encryption key can access the encrypted sensitive data in the SQL Server 2016 database. The key is never passed to SQL Server. Dynamic Data Masking: If specified in the table definition, masked data is hidden from most users,...
As a result, the corresponding SQL query looks like this: SELECT ItemName, ItemDescription FROM Items WHERE ItemNumber = 999 OR 1=1 And since the statement 1 = 1 is always true, the query returns all of the product names and descriptions in the database, even those that you may not ...
A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Da...
The ODBC Source and Destination components have been updated to provide full compatibility with SQL Server 2016. There is no new functionality and there are no changes in behavior. Explicit support for Excel 2016 data sources The Excel Connection Manager, the Excel Source, and the Excel Destinatio...
Applies to:SQL Server 2016 (13.x) Reporting Services and later ❌ Power BI Report Server Learn about what's new in the different versions of SQL Server Reporting Services. This article covers the major feature areas and is updated as new items are released. ...