The data type of the SQLCASEstatement result depends on the context where it is used. For example, if theCASEexpression is used with CHAR strings, it returns the result as a CHAR string. If theCASEexpression is
Creating multicolumn indexes in SQL Selecting records from the last 24 hours in PostgreSQL How to kickstart PostgreSQL on Mac OS X How COUNT(DISTINCT [field]) works in Google BigQuery Dynamic grouping in SQL: mastering the CASE statement Create a copy of a database in PostgreSQL Mast...
Structured Query Language (SQL) is a standardized programming language that is used to managerelational databasesand perform various operations on the data in them. Initially created in the 1970s, SQL is regularly used not only by database administrators but also by developers writing data integratio...
By appending a union select statement to the parameter, the attacker can then test for access to other tables in the target database. The simplicity of In-band SQL injection is one of the reasons why it is one of the most common types of SQL injection attacks. There are two general type...
Object storage integration SQL Server 2022 (16.x) introduces new object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage, in addition to Azure Storage. The first is backup to URL and the second is Data Lake Virtualization.Data Lake...
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 ...
You can specifyONLINE = ONin theCREATE INDEXstatement when theORDERclause is present. For more information about online index operations, seePerform index operations online. Improved sort quality for ordered clustered columnstore indexes. In SQL Server 2025 (17.x) Preview, when an ordered clustered...
Different RDBMS handle syntax for upserts differently – we’ll get to that a little later – but using CockroachDB UPSERT syntax, here are a couple of example SQL statements, and the employees table that would result if each statement was run: Example #1 ...
SQL is a query language that was designed to manage data stored in relational databases. You can use it to access, modify, and delete data. SQL queries are usually commands that request a specific set of results from the database using the SELECT statement, though other statements also exist...
MongoDB is a common NoSQL database. Here are a couple of examples of how attackers can exploit the $where operator in MongoDB. Example #1: Manipulating Input Data If the attacker can manipulate the data that the $where operator receives, the attacker can inject malicious JavaScript that Mongo...