PostgreSQL – INSERT Query The PostgreSQL INSERT INTO statement allows one to insert new rows into a table. One can insert a single row at a time or several rows as a result of a query. Syntax Basic syntax of INSERT INTO statement is as follows − INSERT INTO TABLE_NAME (column1, column2, column3,…columnN) VALUES (value1, […]
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PostgreSQL – Expressions An expression is a combination of one or more values, operators, and PostgresSQL functions that evaluate to a value. PostgreSQL EXPRESSIONS are like formulas and they are written in query language. You can also use to query the database for specific set of data. Syntax Consider the basic syntax of the SELECT […]
PostgreSQL – Operators What is an Operator in PostgreSQL? An operator is a reserved word or a character used primarily in a PostgreSQL statement”s WHERE clause to perform operation(s), such as comparisons and arithmetic operations. Operators are used to specify conditions in a PostgreSQL statement and to serve as conjunctions for multiple conditions in a […]