DocumentDB SQL – In Keyword
The IN keyword can be used to check whether a specified value matches any value in a list. The IN operator allows you to specify multiple values in a WHERE…
XPath – Predicate
Predicate refers to the XPath expression written in square brackets. It refers to restrict the selected nodes in a node set for some condition. For example, S.No.Predicate & Description1/class/student[1]Select first…
DocumentDB SQL – Between Keyword
The BETWEEN keyword is used to express queries against ranges of values like in SQL. BETWEEN can be used against strings or numbers. The main difference between using BETWEEN in…
XPath – Wildcard
XPath defines the following wildcards on nodes to be used with the XPath expressions. S.No.WildCard & Description1*used to match any node.2.used to match the current node in context.3@*used to match…
DocumentDB SQL – Operators
An operator is a reserved word or a character used primarily in an SQL WHERE clause to perform operation(s), such as comparisons and arithmetic operations. DocumentDB SQL also supports a…
XPath – Operators
In this chapter, we'll see XPath operators and functions in details covering commonly used XPath defines and handles. XPath defines Operators and functions on Nodes, String, Number and Boolean types. Following is the…
DocumentDB SQL – Where Clause
In this chapter, we will cover the WHERE clause, which is also optional like FROM clause. It is used to specify a condition while fetching the data in the form…
DocumentDB SQL – From Clause
In this chapter, we will cover the FROM clause, which works nothing like a standard FROM clause in regular SQL. Queries always run within the context of a specific collection…
Apache Presto – JDBC Interface
Presto’s JDBC interface is used to access Java application. Prerequisites Install presto-jdbc-0.150.jar You can download the JDBC jar file by visiting the following link, https://repo1.maven.org/maven2/com/facebook/presto/presto-jdbc/0.150/ After the jar file has…
DocumentDB SQL – Select Clause
The Azure portal has a Query Explorer that lets us run any SQL query against our DocumentDB database. We will use the Query Explorer to demonstrate the many different capabilities…
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