How do I view table details in SQL Developer?
How do I view table details in SQL Developer?
To view table data:
- In SQL Developer, search for a table as described in “Viewing Tables”.
- Select the table that contains the data.
- In the object pane, click the Data subtab.
- (Optional) Click a column name to sort the data by that column.
- (Optional) Click the SQL subtab to view the SQL statement that defines the table.
What are the symbols in SQL?
Arithmetic Operators
| Symbol | Operation |
|---|---|
| + | Addition |
| – | Subtraction |
| * | Multiplication |
| / | Division |
How do I create a table in SQL interview question?
The command to create a table in sql is extremely simple: CREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype.. ); We will start off by giving the keywords, CREATE TABLE, then we will give the name of the table.
How do I prepare for SQL Developer interview?
If you want to perform well at the SQL job interview, these are the concepts you need to know:
- Data Definition Language (DDL) keywords.
- Data Manipulation Language (DML) keywords.
- Data Control Language (DCL) keywords.
- Transaction Control Language (TCL) keywords.
- SQL constraints.
- JOINs.
- indexes.
- transactions.
How can I see the structure of a table in SQL Server?
To show table properties in the Properties window
- In Object Explorer, select the table for which you want to show properties.
- Right-click the table and choose Properties from the shortcut menu. For more information, see Table Properties – SSMS.
What does this symbol means in SQL query?
<> this symbol means not equal in sql. Basically <> this symbol used in sql when we write Non-Equi join query.
What is the meaning of symbol in SQL Server?
In SQL Server, symbol @@ is prefixed to global variables. The server maintains all the global variables.
What are basic SQL interview questions?
SQL Interview Questions
- What is the difference between SQL and MySQL?
- What are the different subsets of SQL?
- What do you mean by DBMS?
- What do you mean by table and field in SQL?
- What are joins in SQL?
- What is the difference between CHAR and VARCHAR2 datatype in SQL?
- What is the Primary key?
- What are Constraints?
How do you display a table?
To display the rows from a particular table or tables:
- Double-click the table name in the grid.
- Select names of tables in the grid, then right-click and select Display Rows from the shortcut menu, or select Display Rows from the File menu.