# How do I force a user to drop in Oracle?

## How do I force a user to drop in Oracle?

If you want to **drop** a **oracle user** with the **DROP USER** statement to remove a database **user** and optionally remove the **user's** objects you can execute '**drop user** @**USERNAME** cascade'.

## How do I drop an administrative user in Oracle?

1 Answer. set _oracle_script to TRUE and execute **drop** command as below. **drop user** APEX_050000 cascade; **User dropped**.

## How do I delete a user in Oracle?

**Identify the correct session and terminate the session by performing the steps below:**

- Invoke SQL*Plus.
- Query V$
**SESSION**supplying the username for the**session**you want to terminate: SELECT SID, SERIAL#, STATUS, SERVER. ... - Execute the ALTER SYSTEM command to terminate the
**session**: ALTER SYSTEM KILL**SESSION**''

## What does drop schema do?

**DROP SCHEMA** removes **schemas** from the database. A **schema can** only be **dropped** by its owner or a superuser. Note that the owner **can drop** the **schema** (and thereby all contained objects) even if they **do** not own some of the objects within the **schema**.

## How do I drop a schema owner in SQL Server?

To change the **schema owner** from **Sql Server** Management Studio: Expand your database -> Security -> **Schemas**. In the Object Explorer Details you can see a list of the **schemas** and the **owners**: Right click on the **schema** that is owned by the **user** you want to delete and change the **owner** (Properties -> General -> **Schema Owner**).

## What is schema and example?

A **schema** is an outline, diagram, or model. In computing, **schemas** are often used to describe the structure of different types of data. Two common **examples** include database and XML **schemas**.

## What are the 3 types of schema?

**Schema** is of **three types**: Physical **schema**, logical **schema** and view **schema**.

## What does a database schema look like?

In **database** terms, a **schema** (pronounced “skee-muh” or “skee-mah”) **is the** organisation and structure of a **database**. ... Above is a simple example of a **schema** diagram. It shows three tables, along with their data types, relationships between the tables, as well as their primary keys and foreign keys.

## What does cardinality mean?

**Cardinality means** two things in databases. ... When applied to databases, the meaning **is** a bit different: it's the number of distinct values in a table column, relative to the number of rows in the table. Repeated values in the column don't count. We usually don't talk about **cardinality** as a number, though.

## What is cardinality of relationship?

**Relationship cardinality** represents the fact that each parent entity or table within a **relationship** is connected to a particular number of instances of the child entity or table. ... Each parent in the **relationship** is connected to zero, one, or more instances of the child entity or table.

## What is cardinality example?

If A has only a finite number of elements, its **cardinality** is simply the number of elements in A. For **example**, if A={2,4,6,8,10}, then |A|=5.

## What is the cardinality rule?

In mathematics, the **cardinality** of a set is a measure of the "number of elements" of the set. For example, the set contains 3 elements, and therefore. has a **cardinality** of 3.

## What is the difference between counting and cardinality?

Students move from rote **counting** to finding the number of objects **in a** set. **Cardinality** refers to the actual **count** or number of items **in a** set.

## What is an empty or null set?

**Empty Set**: The **empty set** (or **null set**) is a **set** that has no members.

## How do you find fuzzy cardinality?

In many applications, one prefers a simple scalar approximation of **cardinality** of a **fuzzy** set. Scalar **cardinality** of a **fuzzy** set is the sum of the membership values of all elements of the **fuzzy** set. In particular, scalar **cardinalities** of a **fuzzy** set which associate to each **fuzzy** set a positive real number.

## What is Alpha cut in fuzzy set?

It is the **set** of all xs where mu(x) is larger than **alpha** . In your example, assume **alpha** is 0.

## What is fuzzy power set?

The **fuzzy power set** F(X) of a crisp **set** X is closed under both union and intersection. ... The identities for both these operations exists and are (respectively for intersection and union) X and ϕF, where X is a **fuzzy set** over X defined as ∀x∈X,X(x)=1 and ϕF is a **fuzzy set** over X defined as ∀x∈X,X(x)=0.

## Is are the way to represent uncertainty?

______________ **is/are the way**/s to **represent uncertainty**. Explanation: Entropy is amount of **uncertainty** involved in data. **Represented** by H(data).

## Where does the Bayes rule can be used?

**Where does the bayes rule can be used**? Explanation: **Bayes rule can be used** to answer the probabilistic queries conditioned on one piece of evidence.

## What is another name for fuzzy inference systems?

Because of its multidisciplinary nature, the **fuzzy inference system** is known by numerous other **names**, such as **fuzzy**-rule-based **system**, **fuzzy** expert **system**, **fuzzy** model, **fuzzy** associative memory, **fuzzy** logic controller, and simply (and ambiguously) **fuzzy system**.

## Is Fuzzy a logic?

**Fuzzy logic** is based on the observation that people make decisions based on imprecise and non-numerical information. **Fuzzy** models or sets are mathematical means of representing vagueness and imprecise information (hence the term **fuzzy**).

## Is Fuzzy Logic dead?

**Fuzzy logics** (there are several kinds) are logical systems which allow statements to take truth values that lie in a continuum between truth and falsehood. ... In this sense, **fuzzy logic** is not **dead**.

## Is Fuzzy logic still used?

New computing methods based on **fuzzy logic** can be **used** in the development of intelligent systems for decision making, identification, pattern recognition, optimization and control. Indeed, **fuzzy logic**, once thought to be an obscure mathematical curiosity, can be found in many engineering and scientific applications.

## Why is fuzzy logic used?

**Fuzzy logic** are **used** in Natural language processing and various intensive applications in Artificial Intelligence. **Fuzzy logic** are extensively **used** in modern control systems such as expert systems. **Fuzzy Logic** is **used** with Neural Networks as it mimics how a person would make decisions, only much faster.

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