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Configure SAM and Schema Registry Metadata Stores in Postgres
About This Task Steps About This Task If you have already installed MySQL and configured SAM and Schema Registry metadata stores using MySQL, you do not need to configure addi... -
PostgreSQL 先决条件
Amazon RDS PostgreSQL Server 中的 Ranger 数据库用户应在安装 Ranger 之前创建，并且应被授予必须具有 CREATEDB 角色的现有角色。 使用主用户账户，从主用户账户（在创建 RDS PostgreSQL 实例期间创建）登录 Amazon RDS PostgreSQL 服务器并执行以下命令： a. CREAT... -
Prepared Statements
Cypher Parameter Format Prepared Statements Preparation Prepared Statements Execution Cypher can run a read query within a Prepared Statement. When using parameters with stored... -
WITH
Introduction Filter on aggregate function results Sort results before using collect on them Limit branching of a path search Introduction Using WITH , you can manipulate the ... -
SET
Terminal SET clauses Set a property Return created vertex Remove a property Set multiple properties using one SET clause The SET clause is used to update labels and properti... -
PostgreSQL Prerequisite
The Ranger database user in Amazon RDS PostgreSQL Server should be created before installing Ranger and should be granted an existing role which must have the role CREATEDB. Usi... -
RETURN
Return nodes Return edges Return property Return all elements Variable with uncommon characters Aliasing a field Optional properties Other expressions Unique results In t... -
Cypher in SQL expressions
Using Cypher with ‘=’ Working with Postgres’s IN Clause Working with the Postgres EXISTS Clause Querying Multiple Graphs Cypher cannot be used in an expression— the query must... -
Graphs
Create a Graph create_graph() Delete a Graph drop_graph() How Graphs Are Stored In Postgres A graph consists of a set of vertices and edges, where each individual node and ed... -
DELETE
Terminal DELETE clauses Introduction Delete isolated vertices Delete all vertices and edges associated with them Delete edges only Return a deleted vertex The DELETE clause...