Oracle PL/SQL/Char Functions/INITCAP

INITCAP a sentence

   <source lang="sql">

SQL> SELECT INITCAP("this TEXT hAd UNpredictABLE caSE") FROM DUAL; INITCAP("THISTEXTHADUNPREDICTABL

---

This Text Had Unpredictable Case SQL>

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INITCAP: capital the first letter in a word

   <source lang="sql">

SQL> SQL> -- create demo table SQL> create table Employee(

 2    ID                 VARCHAR2(4 BYTE)         NOT NULL,
 3    First_Name         VARCHAR2(10 BYTE),
 4    Last_Name          VARCHAR2(10 BYTE),
 5    Start_Date         DATE,
 6    End_Date           DATE,
 7    Salary             Number(8,2),
 8    City               VARCHAR2(10 BYTE),
 9    Description        VARCHAR2(15 BYTE)
10  )
11  /

Table created. SQL> SQL> -- prepare data SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2               values ("01","Jason",    "Martin",  to_date("19960725","YYYYMMDD"), to_date("20060725","YYYYMMDD"), 1234.56, "Toronto",  "Programmer")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("02","Alison",   "Mathews", to_date("19760321","YYYYMMDD"), to_date("19860221","YYYYMMDD"), 6661.78, "Vancouver","Tester")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("03","James",    "Smith",   to_date("19781212","YYYYMMDD"), to_date("19900315","YYYYMMDD"), 6544.78, "Vancouver","Tester")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("04","Celia",    "Rice",    to_date("19821024","YYYYMMDD"), to_date("19990421","YYYYMMDD"), 2344.78, "Vancouver","Manager")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("05","Robert",   "Black",   to_date("19840115","YYYYMMDD"), to_date("19980808","YYYYMMDD"), 2334.78, "Vancouver","Tester")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("06","Linda",    "Green",   to_date("19870730","YYYYMMDD"), to_date("19960104","YYYYMMDD"), 4322.78,"New York",  "Tester")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("07","David",    "Larry",   to_date("19901231","YYYYMMDD"), to_date("19980212","YYYYMMDD"), 7897.78,"New York",  "Manager")
 3  /

1 row created. SQL> insert into Employee(ID, First_Name, Last_Name, Start_Date, End_Date, Salary, City, Description)

 2                values("08","James",    "Cat",     to_date("19960917","YYYYMMDD"), to_date("20020415","YYYYMMDD"), 1232.78,"Vancouver", "Tester")
 3  /

1 row created. SQL> SQL> SQL> SQL> -- display data in the table SQL> select * from Employee

 2  /

ID FIRST_NAME LAST_NAME START_DAT END_DATE SALARY CITY DESCRIPTION

---

---------- ---------- --------- --------- ---------- ---------- ---------------

01 Jason Martin 25-JUL-96 25-JUL-06 1234.56 Toronto Programmer 02 Alison Mathews 21-MAR-76 21-FEB-86 6661.78 Vancouver Tester 03 James Smith 12-DEC-78 15-MAR-90 6544.78 Vancouver Tester 04 Celia Rice 24-OCT-82 21-APR-99 2344.78 Vancouver Manager 05 Robert Black 15-JAN-84 08-AUG-98 2334.78 Vancouver Tester 06 Linda Green 30-JUL-87 04-JAN-96 4322.78 New York Tester 07 David Larry 31-DEC-90 12-FEB-98 7897.78 New York Manager 08 James Cat 17-SEP-96 15-APR-02 1232.78 Vancouver Tester 8 rows selected. SQL> SQL> SQL> select INITCAP(First_Name) from Employee; INITCAP(FI

---

Jason Alison James Celia Robert Linda David James 8 rows selected. SQL> SQL> SQL> -- clean the table SQL> drop table Employee

 2  /

Table dropped. SQL> SQL>

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Initcap: changes the first (initial) letter of a word (string) or series of words into uppercase

   <source lang="sql">

SQL> -- Initcap: changes the first (initial) letter of a word (string) or series of words into uppercase. SQL> SQL> SELECT INITCAP("capitals") FROM dual; INITCAP(

---

Capitals

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INITCAP() returns the character string passed into it with the first letter of each word capitalized

   <source lang="sql">

SQL> Syntax: INITCAP(<character_string>) SQL> SQL> SELECT INITCAP("hello world") "HELLO"

 2  FROM dual;

HELLO

---

Hello World SQL>

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select initcap( table_name ) from user_tables

   <source lang="sql">

SQL> SQL> select initcap( table_name )

 2  from user_tables
 3  where rownum < 50;

INITCAP(TABLE_NAME)

---

Mytable_Session Done Emp_Changes Aq$_Emp_Changes_S Aq$_Emp_Changes_T Aq$_Emp_Changes_H Compile_Schema_Tmp Temp_Emp Upper_Ename Sys_Iot_Over_16251 Aq$_Emp_Changes_G Aq$_Emp_Changes_I Dept_And_Emp Emp_Reg Sess_Event Sql_Area_Tmp 16 rows selected. SQL> SQL> --

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select initcap("THESE WORDS will be INITcapped")

   <source lang="sql">

SQL> SQL> select initcap("THESE WORDS will be INITcapped")

 2  from dual;

INITCAP("THESEWORDSWILLBEINITC

---

These Words Will Be Initcapped 1 row selected. SQL> SQL> --

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Simple demo for INITAP: sets the first character in each word to uppercase and the rest to lowercase

   <source lang="sql">

SQL> SQL> SELECT INITCAP("YOU TODAY") AS INITCAP FROM Dual; INITCAP

---

You Today SQL>

      </source>