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113

Numbers in JPQL and Criteria Queries

.g. LOCATE, LENGTH. as composite arithmetic expressions that use operators and functions to combine simple numeric values into a more complex expression. Arithmetic Operators The following arithmetic ... numeric promotion principles. For example, the resulting type of a binary arithmetic operation on an int
40

JPA Query Expressions (JPQL / Criteria)

the following operators (in order of decreasing precedence): Navigation operator (.) Arithmetic operators ... , navigation and types (get, type). Arithmetic expressions (sum, diff, prod, quot, mod, abs, neg
28

WHERE clause (JPQL / Criteria API)

, which includes many operators (arithmetic operators, relational operators, logical operators
28

ObjectDB Object Database Features

(<, <=, >=, <>, =, !=, ==, BETWEEN, IS NULL). Logical operators (AND, OR, NOT, &&, ||). Arithmetic operators
28

JPA Criteria API Queries

, currentDate, ...). Paths, navigation and types (get, type). Arithmetic expressions (sum, diff, prod
14

javax.persistence.criteria.CriteriaBuilder

Expression<N> neg( Expression<N> x) Create an expression that returns the arithmetic negation of its argument. Create an expression that returns the arithmetic negation of its argument. Parameters: x - expression Returns: arithmetic negation Since: JPA 2.0 Predicate not( Expression<Boolean> restriction
12

neg(x)

Method javax.persistence.criteria.CriteriaBuilder Expression<N> neg( Expression<N> x ) Create an expression that returns the arithmetic negation of its argument. Parameters: x - expression Returns: arithmetic negation Since: JPA 2.0
4

[ODB1] Chapter 7 - JDOQL Queries

. Arithmetic Operators In JDOQL, arithmetic operators (+, -, *, /) can be applied to numeric wrapper types
4

[ObjectDB 2.5.5_03] Unexpected exception (Error 990)

: • Comparison or arithmetic operations with a NULL value always yield an unknown value. Hence t ... null. Accessing fields through a null expression is very different from comparison and arithmetic

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ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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