Tag: technology

control files

redo log files

user_views data dictionary view

base table

varchar2()

long

char()

lob()

True

False

force

no force

with read only

with check option

restrict data access

fast access

easy maintainance for complex queries

data independence

int bMethod(int i) throws IOException{...}

protected int bMethod(short s) throws FileNotFoundException{...}

private String aMethod(byte b,short s) throws Exception{...}

char bMethod(String s) throws RuntimeException{...}

int bMethod(short sh){...}

for(int i=10;i>0;i-=-2);

for(int i=0;i<012;i=i++);

for(int i=0;i<0;i--);

for(int i=0;(i++^--i)==0;i++);

for(int i=010;i==10;i+=0);

int aMethod(int i) throws IOException{...}

protected int aMethod(int i) throws FileNotFoundException{...}

public int aMethod(int i) throws Exception{...}

public int aMethod(byte i) throws IOException{...}

protected int aMethod(int i) throws IOException,FileNotFoundException{...}

A static method may override another static method.

A static method cannot override a non-static method.

A non-static method cannot override a static method.

A non-static method may be overloaded by a static method.

A synchronized method cannot be overridden.

user_views

all_views

user_updatable_columns

dba_views