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[DOCX File]SQL CREATE DATABASE Statement - Maggotty High CAPE IT
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Rename is a permanent name given to a table or column whereas Alias is a temporary name given to a table or column which do not exist once the SQL statement is executed. Q. What is a view ? A view is a virtual table based on one or more tables. Why Use views ? To restrict data access • To make complex queries easy • To provide data independence
rename column in oracle

[DOC File]SQL Tutorial - Weebly
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SELECT column_name(s)FROM table_nameWHERE condition AND condition. ALTER TABLE. ALTER TABLE table_name ADD column_name datatype. ALTER TABLE table_name DROP COLUMN column_name. BETWEEN. SELECT column_name(s)FROM table_nameWHERE column_nameBETWEEN value1 AND value2. CONSTRAINT
alter table rename column

[DOC File]SQL is a standard computer language for accessing and ...
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In SQL if we ever need to change the structure of the database then ALTER TABLE command is used. By using this command we can add a column in the existing table, delete a column from a table or modify columns in a table.
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[DOC File]Data Definition Statements in MS Access
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ALTER TABLE xxxxx. ADD gender char(1); You can also DROP or MODIFY (change column attributes: length, format, label) with the ALTER statement. Change column name with RENAME. To eliminate a table in the datadase: DROP TABLE xxxxx. To delete rows in a table: DELETE FROM Customers. WHERE custnum = “001”; DELETE FROM Customers; removes all rows!!!
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[DOC File]Still More SQL – Alter, Create, and ResultSetMetaData
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Use ALTER COLUMN to change the data type of an existing field. You specify the field name, the new data type, and an optional size for Text and Binary fields. For example, the following statement changes the data type of a field in the Employees table called ZipCode (originally defined as Integer) to a 10-character Text field:
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[DOCX File]SQL Quick Reference - ELTE
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"Create Table table_name (column_name1 datatype1, column_name2 datatype2, …)" If the club wants to create a table with its officers, this can be done with "Create Table Officers (Name varchar (30), Office varchar (30))" This will create a new table in the addresses database with two columns, Name and Office.
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[DOC File]SQL - Class webSite
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CREATE TABLE table_name(column_name1 data_type,column_name2 data_type,column_name3 data_type,....) The data type specifies what type of data the column can hold. For a complete reference of all the data types available in MS Access, MySQL, and …
sql alter table rename column

SQL Alter Column Name
TRUNCATE TABLE table_name Lesson 17: SQL ALTER TABLE . ALTER TABLE. The ALTER TABLE statement is used to add or drop columns in an existing table. ALTER TABLE table_name . ADD column_name datatype. ALTER TABLE table_name . DROP COLUMN column_name Note: Some database systems don't allow the dropping of a column in a database table (DROP COLUMN ...
change column name in sql

[DOC File]SQL & QBE
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TRUNCATE TABLE table_name SQL ALTER TABLE. ALTER TABLE. The ALTER TABLE statement is used to add or drop columns in an existing table. ALTER TABLE table_name . ADD column_name datatype. ALTER TABLE table_name . DROP COLUMN column_name Note: Some database systems don't allow the dropping of a column in a database table (DROP COLUMN column_name ...
rename column in oracle

[DOCX File]Structured - KV KHAGARIA DIGITAL LIBRARY
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And.: SELECT game1,game2 FROM sports WHERE name LIKE ‘A%’; Add a new column named ‘ Marks’. Ans.: ALTER TABLE sports ADD (marks NUMBER(2)); Assign a value 200 for marks for all those who are getting grade ‘B’ or grade ‘ A’ in both Game1 and game2.
alter table rename column

Alter column name in sql